Show your work for the following problems. 3. A gas at a fixed temperature has a volume of 3. 41L. Its pressure is changed from 4. 22atm to 1. 202atm. What is the new volume at constant temperature?
Answers
By the Help of Ideal gas laws, The new volume of the gas at a constant temperature when the pressure is changed from 4.22 atm to 1.202 atm is 12.94 L.
The Ideal Gas Law, PV = nRT, which takes P as the pressure, V as the volume, n as the number of moles, R as the gas constant, and T as the temperature, can be used to explain the relationship between pressure, volume, and temperature. If we keep the temperature constant, we can rearrange the equation to solve for the new volume:V1 = (P1 × V2) / P2, where V1 is the new volume and P1 and P2 are the initial and final pressures, respectively. Plugging in the values from the problem, we get:V1 = (4.22 atm × V2) / 1.202 atm = 3.41 L × (4.22 atm / 1.202 atm) = 12.94 LSo the new volume of the gas at a constant temperature when the pressure is changed from 4.22 atm to 1.202 atm is 12.94 L.
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Related Questions
What is the difference between vascular and nonvascular plants?
Answers
Answer:
have systems for transporting water and minerals
Explanation:
hope its helps
The main difference between root and non-root plants is that root plants have root tissue that transports water, minerals and nutrients, while non-root plants do not have root tissue.
a gas with an initial volume of 2.000 l at 275.0 k is heated. the final volume is 5.800 l. calculate the final temperature of the gas, in k.
Answers
The final temperature of the gas is approximately 0.04218 k. To calculate the final temperature of the gas, we can use the formula:
(V1/T1) = (V2/T2)
where V1 and T1 are the initial volume and temperature, and V2 and T2 are the final volume and temperature. We can rearrange this formula to solve for T2:
T2 = (V2/T1) * V1
Plugging in the given values, we get:
T2 = (5.800/275.0) * 2.000
T2 = 0.02109 * 2.000
T2 = 0.04218 k
Therefore, the final temperature of the gas is approximately 0.04218 k.
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facell's surface area-to-volume ratio increased from 3:1 to 4:1, what impact would that have on the transport of materials across the cell membrane? A. It would be unchanged B. transport would increase C. transport would decrease D. none of the above
Answers
Answer:
Concentration gradient, size of the particles that are diffusing, and temperature of the system affect the rate of diffusion. Some materials diffuse readily through the membrane, but others require specialized proteins, such as channels and transporters, to carry them into or out of the cell.
Explanation:
Hopefully this helps :)
which of the following is the best way to tell quartz and fluorite apart?
Answers
The best way to tell quartz and fluorite apart is by using the Mohs hardness scale.
The Mohs scale is a method of ranking minerals based on their hardness. Quartz has a hardness of 7 on the Mohs scale, which means that it can scratch glass. Fluorite, on the other hand, has a hardness of 4 which means it can't scratch glass.
Quartz is a hard and durable mineral that is usually clear or white in color. It has a vitreous luster and can be found in many different environments, including igneous, metamorphic, and sedimentary rocks.
Fluorite is a soft and brittle mineral that is usually purple or green in color. It has a waxy luster and can be found in many different environments, including hydrothermal veins and sedimentary rocks.
In summary, by using the Mohs hardness scale, one can differentiate quartz and fluorite.
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2.28 Global Warming’s Negative Effects Worksheet
Watch this Video and to answer the following questions.
What type of human activity increases the amount of CO2 in the atmosphere?
Explain how climate change affects our oceans
Explain how climate change affects our weather
Explain how climate change affects our food
Explain how climate change affects our health
What can we do to prevent the negative effects of climate change?
PLEASE ANSWER ASAP GIVE BRAINLIEST
Answers
Climate change causes the oceans to absorb more heat, resulting in an increase in sea surface temperatures and rising sea levels. This change in ocean temperatures and currents brought about by climate change can lead to alterations in climate around the world.
Climate changes affects crop growth, meat production, fisheries, and other fundamental aspects of our food supply. This is because if our climate is constantly changing our Earth will no longer be able to sustain the adequate necessities of food production.
Climate change cause health issues. Change in climate can cause existing health problems to intensify and new health issues to emerge. Climate change can influence air pollution, allergies, disease carried by vectors, food and waterborne diseases, food security, mental health and stress-related disorders, floods, temperature extremes, and wildfires. All of these factors can have negative effects on ones health.
To reduce the negative effects of climate change we can speak up about climate change, use renewable energy, weatherize, invest in energy-efficient appliances, reduce water waste, make less food waste, etc.
KINDLY PARAPHRASE THE FOLLOWING PARAGRAPHS:
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Growth in Distribution Spaces
An essential part of the e-commerce business is its supply chain. Figuring out the logistics for packaging and shipping goods to customers includes warehousing, and that’s where commercial real estate comes into play. As e-commerce has grown, we have seen significant growth in the leasing and sale of distribution centers and warehouse spaces.
E-commerce giants look for spaces near large cities like Houston while still having enough space for large buildings. There is a lot of potential and growth in the Houston suburbs such as Katy, Brookshire & Waller. We are seeing more distribution centers popping up in these areas.
Smaller Retail Spaces
As retail has shifted to online, we have seen businesses struggling to keep physical spaces open over the past few years. While e-commerce is booming, some brick-and-mortar spaces are having to close or downsize.
There are certain markets, like groceries, that will always require a physical location, but there is a trend for smaller retail spaces across the market. Smaller spaces mean less inventory in-store, and this consequently encourages a combination of online and in-store shopping. Hybrid shopping especially increased in popularity during the Covid-19 lockdown.
Merging online shopping with curbside or in-store pick-up offered that element of convenience and a safe way to shop during the pandemic, and even as restrictions ease, people will still seek the ease of this approach. However, even though convenience is what mainly drives e-commerce, we don’t expect to see in-store experiences disappear altogether.
Increased Technology in Retail
Since many prefer shopping online, working to translate the benefits of technology to physical spaces has been important in keeping up with trends. Integrating technology into retail spaces will be essential for future leasing and selling opportunities in the market. Implementing tools such as apps can create unique and convenient shopping experiences and can help businesses gather data that is essential for tracking traffic and learning more about the customer.
These tools can also help drive customers to the retail location with special offers or in-store pickup options. Large lifestyle shopping centers have shown to be among the most proactive in blending technology with consumer experiences.
Overall, e-commerce has a major impact on the commercial real estate business, from the industrial real estate benefit from its growth to seeing space buying and leasing becoming a smaller part of retail operations. In 2020 alone, e-commerce accounted for 14 percent of all sales, but it is inevitable that e-commerce will continue to grow as it has for the last decade. Commercial real estate is a reflection of society and its habits and we will continue to see it mirrored as changes in technology and retail emerge.
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Answers
The impact of e-commerce on commercial real estate is significant. E-commerce sales have grown steadily, accounting for a considerable portion of overall sales.
The growth of e-commerce has fueled the demand for distribution spaces, specifically distribution centers and warehouses, which play a crucial role in the supply chain and logistics of packaging and shipping goods to customers. These spaces are sought after by e-commerce giants, who prefer locations near large cities while still providing ample room for large buildings. Suburban areas, such as Katy, Brookshire, and Waller near Houston, are experiencing significant growth in the establishment of distribution centers.
On the other hand, the rise of online shopping has posed challenges for brick-and-mortar retailers. Many physical retail spaces have struggled to remain open or have had to downsize. As a result, there is a trend towards smaller retail spaces, which require less inventory in-store. This trend encourages a combination of online and in-store shopping, known as hybrid shopping. The Covid-19 pandemic further accelerated this trend as consumers sought the convenience and safety of online shopping with options like curbside or in-store pick-up. Even as restrictions ease, this approach is expected to remain popular.
To adapt to the changing retail landscape, integrating technology into physical retail spaces has become crucial. Technology tools, such as mobile apps, can enhance the shopping experience, offer special promotions, and provide valuable data on customer behavior. Retailers, especially large lifestyle shopping centers, have been proactive in blending technology with consumer experiences to stay relevant and attract customers.
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whats the formula for mass
Answers
Answer:
The unit of molar mass is kg/mol. Where, m = mass, v = velocity.
Hope that helps :)
Calculate the molarity of a 4.9 L solution containing 12.1 g of dissolved carbon dioxide. 11) Calculate how many mL of 0.105 M sodium sulfide ...
Answers
The molarity of a 4.9 L solution containing 12.1 g of dissolved carbon dioxide is 0.0561 M.
To calculate the molarity of the 4.9 L solution containing 12.1 g of dissolved carbon dioxide:
Convert grams of carbon dioxide (CO2) to moles using its molar mass:
Molar mass of CO2 = 12.01 g/mol (C) + 2 * 16.00 g/mol (O) = 44.01 g/mol
Moles of CO2 = (12.1 g) / (44.01 g/mol) = 0.275 moles
Calculate the molarity using the formula:
Molarity = moles of solute / liters of solution
Molarity = (0.275 moles) / (4.9 L) = 0.0561 M
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What is the formula for S2O5
Answers
Answer:
chemical formula
Explanation:
8. What is the molecular mass of NH3?
Answers
the answer is 17.031 g/mol
Answer:
17.031 g/mol
Explanation:
hard to explanation
given the e° for the following half-reactions: cu+ + e- --> cu° e°red = 0.52 v cu2+ + 2e- --> cu° e°red = 0.34 v what is e° for the reaction: cu+ --> cu2+ + e-
Answers
The e° for the reaction Cu⁺ → Cu²⁺ + e⁻ is 0.18 V.
To find the e° for the overall reaction, we need to subtract the e° value for the reduction half-reaction from the e° value for the oxidation half-reaction:
Cu⁺ + e⁻ → Cu° E°(reduction) = 0.52 V (reduction half-reaction)
Cu²⁺ + 2e⁻ → Cu° E°(reduction) = 0.34 V (reduction half-reaction)
To find E°(oxidation), reverse the E° value for the reduction half reaction so that overall value of E°cell is positve.
Cu° → Cu²⁺ + 2e⁻ E°(oxidation) = -0.34 V (oxidation half-reaction)
The overall reaction is thus:
Cu⁺ + e⁻ → Cu°
Cu° → Cu²⁺ + 2e⁻
=Cu⁺ → Cu²⁺ + e⁻
E°cell = E°(reduction) + E°(oxidation) = 0.52 V + (-0.34 V) = 0.18 V
Therefore, standard cell potential (E°cell) is 0.18 V.
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A reaction yields 6.26 grams of a CuCl2. What is the percent yield of CuCl2 if the theoretical yield is 18.81g?
% Yield = (Actual Yield/Theoretical Yield) x 100
Answers
Answer:
33% yield
Explanation:
6.26/18.81 =0.33280170122 = 33%
calculate the enthalpy change for the following reaction given: dc-h= 414 kj/mol, dcl-cl=243 kj/mol, dc-cl=339 kj/mol, dh-cl=431 kj/mol. ch4 cl2 → ch3cl hcl
Answers
To calculate the enthalpy change for the given reaction: CH4 + Cl2 → CH3Cl + HCl, we will use the bond enthalpies provided (DC-H, DCl-Cl, DC-Cl, DH-Cl). We'll follow these steps:
1. Determine the bonds broken in the reactants.
2. Determine the bonds formed in the products.
3. Calculate the total enthalpy change for the reaction.
Step 1: Bonds broken in reactants:
- 1 DC-H bond in CH4 (414 kJ/mol)
- 1 DCl-Cl bond in Cl2 (243 kJ/mol)
Step 2: Bonds formed in products:
- 1 DC-Cl bond in CH3Cl (339 kJ/mol)
- 1 DH-Cl bond in HCl (431 kJ/mol)
Step 3: Calculate the total enthalpy change for the reaction:
Enthalpy change = (Σ bond enthalpies of bonds broken) - (Σ bond enthalpies of bonds formed)
Enthalpy change = (414 kJ/mol + 243 kJ/mol) - (339 kJ/mol + 431 kJ/mol)
Enthalpy change = (657 kJ/mol) - (770 kJ/mol)
Enthalpy change = -113 kJ/mol
The enthalpy change for the given reaction CH4 + Cl2 → CH3Cl + HCl is -113 kJ/mol.
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Which one of these sentences is appropriate for a formal lab report in CHM113 lab? a) Three more trials were conducted and the data was recorded.
b) First, record the seven concentrations of the red dye which......
c) The corvet was whipped with a soft tissue and then........ The error occurred because Tim spilled the solution.
d) We got a good yield.
Answers
The sentence that is appropriate for a formal lab report in CHM113 lab is that three more trials are conducted and the data was recorded which.
The essential elements should be included in a formal lab report, which serves as a record of your laboratory activities: introductory, experimental procedure, data, analysis as well as discussion, and conclusion. Each section must include a heading and it should be clean, orderly, and succinct.
Hence, the appropriate for a formal lab report in CHM113 lab is that three more trials are conducted and the data was recorded which is therefore option A is correct.
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1 volume of gas X react with exactly 5 volumes of oxygen, carbon dioxide and water are produced. what is the gas X?
Answers
The gas X is C₃H₈, which is propane.
Organic substances known as hydrocarbons only produce CO2 and water when they burn. So, by the hit and trial method of x and y in the general formula of the reaction mentioned, we get propane.
A three-carbon alkane, propane has the chemical formula C3H8. At room temperature and pressure, it is a gas, but it can be compressed into a liquid for transportation. It is a by-product of the processing of natural gas and the refining of petroleum and is frequently used as fuel.
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1. Obtain Information Search for and watch an
online video clip that shows the lotus effect.
What do
you
think causes this phenomenon?
Answers
Answer:
up with you and the other day and I don't think I can get a chance
What is an object’s acceleration if it is moving at 30 m/s and comes to a stop in 5 s?
Answers
Answer: -6 m/s^2
Explanation: The initial velocity (u) of the object is 30 m/s and the final velocity (v) is 0 m/s. The time taken (t) is 5 s.
The acceleration (a) can be calculated using the formula:
a = (v - u) / t
Substituting the values:
a = (0 - 30) / 5
a = -30 / 5
a = -6 m/s^2
Therefore, the object's acceleration is -6 m/s^2 (negative because it is decelerating or slowing down).
A manufacturing company has a plant a small city. As a consequence of some of its manufacturing procedures, the plant releases bad-smelling fumes that annoy its neighbors, damage the local tourism trade. The authorities are considering issuing an ultimatum to the company to clean up the plant or pay a million-dinars fine. The company has responded that it will close the plant rather than pay the fine.
Explain how cost/benefice approach can be used to make a decision.
Answers
The cost/benefit approach helps the company evaluate the financial and non-financial costs and benefits of cleaning up the plant or paying the fine, enabling an informed decision-making process.
The cost/benefit approach can be used to make a decision in this situation by weighing the costs and benefits associated with cleaning up the plant or paying the fine. On the cost side, the company would need to consider the financial investment required to implement measures that reduce the release of bad-smelling fumes.
This may involve retrofitting the plant, adopting new technologies, or implementing stricter environmental controls. Additionally, there may be ongoing costs associated with maintaining compliance with regulations and managing the environmental impact.
On the benefit side, the company would need to assess the potential gains of cleaning up the plant. This includes improving the company's reputation and relationships with neighbors and local communities, preserving the tourism trade, avoiding potential legal actions, and maintaining the long-term viability of the business.
By comparing the costs of cleanup measures against the potential benefits, the company can make an informed decision on whether to invest in mitigating the environmental issues or choosing to close the plant and potentially face other costs such as job losses and reputational damage.
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An igneous rock is found on the ground and has no identifiable crystals. What is the most likely origin of this rock?
Answers
Answer:
Its a Extrusive Igneous Rock
Explanation:
They form on the surface where they cool.
Answer: Rock was eroded by surrounding rocks
Explanation: my teacher said that but i think it is wrong-
how many grams of h2so4 is present in its 4 equivalent?
Answers
Answer:
we need we need to calculate normality of solution to find out gram equivalent of solution
A chipmunk (mass of approximately 1 kg) does push-ups by using a force of 5 N to elevate its center-of-mass by 6 cm in order to do 0.70 Joule of work. If the chipmunk does all this work in 2 seconds, what is its power?
Answers
Answer:
Approximately \(0.35\; \rm W\) on average.
Explanation:
There are multiple to find power:
Power \(P\) is equal to the product of force \(F\) and the speed \(v\) at which that force moves the object. That is: \(P = F \cdot v\).On the other hand, average power \(P\) is also equal to the rate at which work \(W\) is done. In other words, average power \(P\!\) is the average work done in unit time. If work \(W\!\) is done in time \(t\), the average power would be \(P = W / t\).The question did not state the speed at which the arm of the chipmunk moves. However, the question did state the work done (\(W = 0.70\; \rm J\)) and the time required (\(t = 2\; \rm s\)).
Therefore, the equation \(P = W / t\) seem to be more suitable.
\(\begin{aligned}&P\\ &= \frac{W}{t} \\ &= \frac{0.70\; \rm J}{2\; \rm s} \approx 0.35\; \rm W\end{aligned}\).
when an ordered arrangement of particles extends over a long distance in a solid, the material is considered
Answers
When an ordered arrangement of particles extends over a long distance in a solid, the material is considered to be a crystalline solid.
Crystalline solids are characterized by a highly ordered arrangement of particles, which can extend over long distances in three dimensions, forming a regular repeating pattern known as a crystal lattice.
Crystalline solids have a well-defined melting point and a regular, geometric shape. They are also usually brittle and have a tendency to fracture along cleavage planes, which are planes of weakness in the crystal lattice.
Examples of crystalline solids include salt, diamond, and quartz. In contrast, materials with a disordered arrangement of particles are referred to as amorphous solids. Examples of amorphous solids include glass and rubber.
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Draw the atomic structure of sodium with its electronic configuration.
Answers
here you go. kindly check attatchement
Picture a neutral Cl atom. This neutral atom will have
valence electrons. To reach a more stable configuration,
this atom will
(gain, lose) electrons. The charge
of the ion that forms will be
NEED HELP ASPA
Answers
…gain electron
…1-
HELP PLEASE THIS IS CONFUSING
Answers
Number of moles = 8.3 x 10⁻¹³
Further explanationThe mole is the number of particles(molecules, atoms, ions) contained in a substance
1 mol = 6.02.10²³ particles
Can be formulated
N=n x No
N = number of particles
n = mol
No = Avogadro's = 6.02.10²³
5 x 10¹¹ atoms of Silver :
\(\tt mol=\dfrac{5\times 10^{11}}{6.02\times 10^{23}}=8.3\times 10^{-13}\)
cr2o72−(aq) i−(aq)→cr3 (aq) io3−(aq) (acidicsolution)cr2o72−(aq) i−(aq)→cr3 (aq) io3−(aq) (acidicsolution) express your answer as a chemical equation. identify all of the phases in your answer.
Answers
The balanced chemical equation for the reaction of Cr₂O₇²⁻(aq) and I⁻(aq) in acidic solution is: 2Cr₂O₇²⁻(aq) + 14H⁺(aq) + 6I⁻(aq) → 2Cr³⁺(aq) + 3I₂(aq) + 7H₂O(l).In this reaction, the dichromate ion (Cr₂O₇²⁻) is reduced to chromium(III) ion (Cr³⁺), while iodide ion (I⁻) is oxidized to iodine (I₂). The reaction occurs in acidic solution and requires the presence of hydrogen ions (H⁺) to balance the charge.
The phases in the equation are:
Cr₂O₇²⁻(aq) - aqueous
H⁺(aq) - aqueous
I⁻(aq) - aqueous
Cr³⁺(aq) - aqueous
IO₃⁻(aq) - aqueous
The symbol (aq) stands for "aqueous," which means the ion or molecule is in a solution. The symbol (l) stands for "liquid," which means water in this case. The reaction takes place in acidic solution because the presence of H⁺ ions is required for the reaction to occur.
The balanced chemical equation represents the chemical reaction between dichromate ion (Cr2O7^2-) and iodide ion (I^-) in an acidic solution, which results in the formation of chromium(III) ion (Cr^3+) and iodate ion (IO3^-). This reaction is often used as a redox titration to determine the concentration of an unknown solution containing iodide ions.
In this reaction, dichromate ion (Cr2O7^2-) acts as an oxidizing agent, while iodide ion (I^-) acts as a reducing agent. The acidic solution is necessary to provide the protons needed to balance the charges in the reaction.
It's important to note that the phases of the compounds are also included in the balanced equation. "(aq)" represents that the compound is in aqueous solution, meaning it is dissolved in water.
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The pressure P (in kilopascals), volume V (in liters), and temperature T (in kelvins) of a mole of an ideal gas are related by the equation PV = 8.31T . Find the rate at which the volume is changing when the temperature is 290 K and increasing at a rate of 0.15 K/s and the pressure is 14 and increasing at a rate of 0.05 kPa/s.
Please show your answers to at least 4 decimal places.
(dV)/(dt) = Box LI
Answers
The rate at which the volume is changing when the temperature is 290 K and increasing at a rate of 0.15 K/s and the pressure is 14 kPa and increasing at a rate of 0.05 kPa/s is approximately -0.9474 L/s.
The rate at which the volume is changing when the temperature is 290 K and increasing at a rate of 0.15 K/s, and the pressure is 14 kPa and increasing at a rate of 0.05 kPa/s can be found using implicit differentiation.
Given: PV = 8.31T
To find dV/dt, we need to differentiate both sides of the equation with respect to time (t) while considering the chain rule:
P(dV/dt) + V(dP/dt) = 8.31(dT/dt)
Substituting the given values:
14(dV/dt) + 290(0.05) = 8.31(0.15)
Rearranging the equation to solve for dV/dt:
14(dV/dt) = 1.2465 - 14.5
14(dV/dt) = -13.2535
(dV/dt) = -13.2535/14
(dV/dt) ≈ -0.9474
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Hello people ~
When acetamide is converted to methylamine, what is the name of the reaction?
a) Friedel-Craft’s reaction
b) Hofmann reaction
c) Hofmann bromamide reaction
d) Hinsberg reaction
Answers
Answer:
Hofamann Bromamide reaction
Explanation:
In Hofmann Bromamide reaction and tertiary or secondary amide is treated with liquid bromine in an aqueous solution of sodium hydroxide, It turns the amide to form primary amideOption C
Answer:
c) Hofmann Bromamide reaction
Explanation:
The reaction in which Acetamide is converted to Methylamine is known as Hofmann Bromamide reaction. Thus, option (c) is the correct answer.
calculate the equilibrium concentration of ag (aq ) in a solution that is initially 0.150 m agno3 and 0.670 m nh3, and in which the following reaction takes place:
Answers
To calculate the equilibrium concentration of Ag(aq) in the given solution, we need to consider the reaction taking place between AgNO3 and NH3. However, the reaction is not provided, so I am unable to generate a specific answer based on the missing information.
In general, to determine the equilibrium concentration, we would need the balanced chemical equation and the corresponding equilibrium constant (K) for the reaction. With this information, we could set up an ICE table (Initial, Change, Equilibrium) and use the equilibrium constant expression to solve for the concentration of Ag(aq) at equilibrium.
Without the specific reaction and equilibrium constant, it is not possible to provide a calculated value for the equilibrium concentration of Ag(aq). Please provide the balanced chemical equation and the corresponding equilibrium constant for further assistance.
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Which part of the atom determines how an element interacts in a chemical reaction?
Answers
Ansewer : nucleus
The number of protons in the nucleus determines which element an atom is, while the number of electrons surrounding the nucleus determines which kind of reactions the atom will undergo. The three types of subatomic particles are illustrated below for an atom of helium—which, by definition, contains two protons.