Make a table on hazardous gases and its effects.
Answers
In response to your request, here is a long answer with an A table on hazardous gases and its effects is shown below Name of GasSymbolEffectsAcetyleneC2H2Asphyxiation; Highly the are of Flammable AmmoniaNH3Irritation the eyes, skin, respiratory system;
It is toxic and explosive It is highly flammable Carbon Monoxide CO Headaches, dizziness, nausea, confusion, lack of consciousness; It is poisonous and explosiveChlorineCl2Coughing, chest pains, eye and skin irritation, and potentially deadly damage to the respiratory system; Highly poisonous and corrosive Hydrogen SulfideH2SPungent rotten egg smell, headache, dizziness, nausea, confusion, coma, and death; It is poisonous and highly flammableMethaneCH4Lung irritant, oxygen deficiency, potential explosion; It is flammable and explosiveOxygenO2Highly reactive, causes fire, accelerates combustion; Oxygen gas leaks can cause intense flames in burning situationsOzoneO3Damages the lungs and causes coughing, wheezing, and shortness of breath; It is poisonous and corrosive Sulfur DioxideSO2Breathing difficulty, coughing, sneezing, eye and throat irritation, and possible chronic respiratory problems; Highly corrosive and toxic Note that the table above is only a rough overview of the most common hazardous gases, and there are several more that can pose significant risks to human health and the environment.
The table above displays a list of hazardous gases, their symbols, and their effects. In order to avoid severe health risks, it is important to avoid exposure to these gases. By utilizing protective equipment such as gas masks or respirators, you can keep yourself and others safe from the harmful impacts of these hazardous gases The table above describes a variety of hazardous gases and their effects on humans. Each gas has unique characteristics and hazards, which must be understood in order to mitigate the dangers that they pose. By using the correct protective gear and adhering to safety procedures, one can safeguard themselves and others from exposure to these hazardous gases.
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Related Questions
What most likely occurred during this demonstration?
In a science demonstration, a teacher mixed zinc (Zn)
with hydrogen chloride (HCI) in a flask and quickly
attached a balloon over the mouth of the flask Bubbles
formed in the solution and the balloon inflated,
O The Zn and HCl both retained their identity
Either Zn or HCI, but not both, retained its identity
O Evaporation of one of the substances occurred
One or more new substances formed
Answers
Answer:
Hydrogen gas and a salt formed at the end of the reaction.
Explanation:
Hydrogen Gas has formed which inflated the balloon
Usually, metals and acids react to form a salt and Hydrogen Gas.
Here's what happened:
Zn (s) + 2HCl (aq) → \(ZnCl_2\)(aq) +\(H_2\)(g)
Cheers :)
Answer:
One or more new substances formed.
Explanation:
This is an example of a chemical property because bubbles formed, and the mixture produced a gas which allowed the balloon to inflate. The production of bubbles is an indicator of a chemical change. When a chemical change occurs, one or more new substances form as a result.
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What Is The IUPAC Name For The Compound Shown? IUPAC Name: C10H22
Answers
Answer:
Decane Is the IUPAC name of C10H22
By the IUPAC Naming Convention followed by every chemical standards, the structure shown in the image is named as Decane.
IUPAC Stands for International Union of Pure and Applied Chemistry.This organisation issued some standards for naming any chemical components that is followed world wide.
According to the IUPAC Standards:
First of all we have to identify the longest carbon chain which is [CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3] alkane group according to this image.As a result of 10 carbon linked with single bonds and having hydrogen to balance the electron share it will be named Decane.It is an alkane hydrocarbon with the chemical formula C10H22.
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What do ferns, gymnosperms, and angiosperms have in common? pls answer
Answers
Balance the three equations below by adding the appropriate coefficients on the red lines.
In the text boxes below, count the number of atoms of each element on both sides of the reaction to make sure they are equal.
Answers
A balanced equation obeys the law of conservation of mass. The coefficients are the numbers that are added in front of the formulas to balance the equation.
What is a balanced equation?A balanced equation is defined as the chemical equation in which the mass of the products and reactants on either side of the equation will be equal. The number of atoms of each element on both sides of the equation are equal.
1. 4Na + O₂ → 2Na₂O
2. C + 2H₂ → CH₄
3. 2H₂O₂ → 2H₂O + O₂
Thus in the balanced equation, the number of atoms on both sides of the equation are equal.
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how does the vapor pressure of water at 10°C compared with its vapor pressure at 50°C ?
Answers
Answer: The vapor pressure of water at 10°C will be less as compared with its vapor pressure at 50°C.
Explanation:
Vapor pressure of a liquid is defined as the pressure exerted by the vapors in equilibrium with the liquid/solution at a particular temperature.
As Kinetic energy is dependent on the absolute temperature of the gas.
\(K.E=\frac{3}{2}RT\)
where R = gas constant
T = temperature
On increase in temperature, the kinetic energy of the molecules increase and thus more liquid molecules can escape to form vapours and thus will exert more vapor pressure.
Thus the vapor pressure of water at 10°C will be less as compared with its vapor pressure at 50°C.
Need help with predicting products
Na3PO4
+
ZnSO4
Answers
48g of Magnesium reacts with excess oxygen to produce 84g of magnesium oxide. Calculate how much magnesium oxide would be produced if 2g, 10, and 4kg were reacted with excess oxygen. 0.4 Moles of iron reacts with 0.3 moles of oxygen gas. Calculate the formula of the ir oxide produced and write a balanced equation for it.
Answers
For 2g of magnesium: 3.31 g
For 10g of magnesium: 16.59 g
For 4kg of magnesium: 6.63 kg
The balanced chemical equation for the reaction is:
2 Mg + O2 → 2 MgO
Step by step explanationThe balanced chemical equation for the reaction is:
2 Mg + O2 → 2 MgO
From the equation, we can see that 2 moles of magnesium react with 1 mole of oxygen to produce 2 moles of magnesium oxide. Therefore, we can calculate the amount of magnesium oxide produced for each given mass of magnesium as follows:
For 2g of magnesium:Moles of Mg = mass / molar mass = 2g / 24.31 g/mol = 0.0823 mol
Moles of MgO produced = Moles of Mg x (2 moles MgO / 2 moles Mg) = 0.0823 mol x 1 = 0.0823 mol
Mass of MgO produced = Moles of MgO produced x molar mass of MgO = 0.0823 mol x 40.31 g/mol = 3.31 g
For 10g of magnesium:Moles of Mg = mass / molar mass = 10g / 24.31 g/mol = 0.4116 mol
Moles of MgO produced = Moles of Mg x (2 moles MgO / 2 moles Mg) = 0.4116 mol x 1 = 0.4116 mol
Mass of MgO produced = Moles of MgO produced x molar mass of MgO = 0.4116 mol x 40.31 g/mol = 16.59 g
For 4kg of magnesium:Moles of Mg = mass / molar mass = 4000g / 24.31 g/mol = 164.47 mol
Moles of MgO produced = Moles of Mg x (2 moles MgO / 2 moles Mg) = 164.47 mol x 1 = 164.47 mol
Mass of MgO produced = Moles of MgO produced x molar mass of MgO = 164.47 mol x 40.31 g/mol = 6626.95 g or 6.63 kg
Calculation of Formula of Iron Oxide Produced:
According to the given information, 0.4 moles of iron reacts with 0.3 moles of oxygen gas. To determine the formula of the iron oxide produced, we need to first balance the chemical equation.
Fe + O2 → FeO
From the balanced equation, we can see that 1 mole of iron reacts with 1 mole of oxygen to produce 1 mole of iron oxide. Therefore, the ratio of moles of iron to moles of oxygen in the reaction is 1:1.
To do this, we can calculate the theoretical amount of moles of oxygen required to react completely with 0.4 moles of iron:
0.4 mol Fe × (1 mol O2 / 1 mol Fe) = 0.4 mol O2
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Can u see bubbles in chemical reactions
Answers
1. A sample of a hydrocarbon is burned completely
and produces 22 g of CO2 and 27.0 g of H2O. The
empirical formula of the hydrocarbon is:
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draw and name the enantiomer of d-fructose.
Answers
Answer:
L-fructose \textbf{L-fructose} L-fructose.
To draw its enantiomer, we need to switch the placement of H and OH group in each stereogenic carbon of D-fructose. Enantiomers are labeled as D and L pairs. Therefore, the enantiomer of D-fructose is L-fructose \textbf{L-fructose} L-fructose.
Explanation:
Question 11
A material whose particle composition allows heat and electricity to pass through it easily are described as having a high
OA) conductivity
O B) density
OC) hardness
OD) weight
Answers
Answer:
Coductivity
Explanation:
Because heat conducts to them!
The muscles of the stomach crush food that has entered the stomach
cavity. The effect of this on the food is —
A. O both a chemical and a physical change.
B. neither a chemical nor physical change.
C.
a chemical change, only.
D. a physical change, only.
Answers
The muscles of the stomach crush food that has entered the stomach cavity is a physical change. The correct option is D. a physical change.
What is digestion?Digestion is the breakdown of food material in the stomach, which produce energy.
Digestion includes a chemical and physical process. The food is digested by the chemicals present in the stomach.
Thus, the correct option is D. a physical change, only.
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The structures of two compounds commonly found in food, lauric acid, C 12H 24O 2, and sucrose, C 12H 22O 11* are shown above. (a) Which compound, lauric acid or sucrose, is more toluble in water?
Answers
Sucrose is more soluble in water than lauric acid. This is because sucrose is a polar compound and can form hydrogen bonds with water molecules, whereas lauric acid is a nonpolar compound and cannot form such bonds. Therefore, sucrose can dissolve more readily in water than lauric acid.
To determine which compound, lauric acid (C₁₂H₂₄O₂) or sucrose (C₁₂H₂₂O₁₁), is more soluble in water, we can consider their molecular structures and their interactions with water molecules.
Lauric acid is a fatty acid with a long hydrocarbon chain, which makes it mostly nonpolar. Water is a polar solvent, and it generally has a stronger interaction with polar molecules due to its ability to form hydrogen bonds. Since lauric acid is nonpolar, it has weak interactions with water, making it less soluble in water.
Sucrose, on the other hand, is a disaccharide sugar composed of glucose and fructose units. It has numerous hydroxyl (-OH) groups that are polar, enabling it to form hydrogen bonds with water molecules. Due to these stronger interactions with water, sucrose is more soluble in water.
In conclusion, sucrose (C₁₂H₂₂O₁₁) is more soluble in water than lauric acid (C₁₂H₂₄O₂) due to its ability to form hydrogen bonds with water molecules.
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Chemistry!! Help me! And explain step by step!
Answers
1st part is ure answer --> 2M
Given mass -> 58 grams
mass of NaCl -> 58.44 approx -> 58 any
moles given-> 1 moles
\(Molarity = \frac{moles}{vol \: in \: lts} \)
\(Molarity = \frac{1}{0.5} = \frac{10}{5} \\Molarity = 2M\)
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Courtney burns wood in an outdoor firepit. She measures the mass of the ashes that remain after the fire, and the mass is much lower than the wood that she burned. What would be the best explanation for what Courtney observes?
A. gases are released into the air
B. water inside the wood solidifies
C. heat caused the molecules to lose density
D. atoms in the wood are destroyed
Answers
Answer:
When wood is burned, it undergoes a chemical reaction called combustion, which produces heat, light, and various gases such as carbon dioxide, water vapor, and nitrogen oxides. These gases are released into the air, leaving behind a residue of ash that is much lighter than the original wood. Therefore, option A is the best explanation for what Courtney observes.
The attractive forces between sodium and chloride ions are called:
a)Bonding Forces
b)Gravity Forces
c)Pulse Forces
d)Interparticle Forces
Answers
The system below was at equilibrium in a
9.0 L container. What change will occur
for the system when the container is
shrunk to 3.0 L?
51.8 kJ + H₂(g) + 1₂(g) = 2HI(g)
Hint: How many moles of gas are on each side?
A. The reactions shifts to the right (products) to produce
fewer moles of gas.
B. There is no change because there are the same
number of moles of gas on both sides.
C. The reactions shifts to the left (reactants) to produce
more moles of gas.
Answers
The number of moles of gas is the same on both sides, the change in volume will not affect the equilibrium position of the reaction. The answer is B) There is no change because there are the same number of moles of gas on both sides.
To determine the change that will occur when the container is shrunk from 9.0 L to 3.0 L for the given reaction:
51.8 kJ + H₂(g) + I₂(g) → 2HI(g)
We need to consider the number of moles of gas on each side of the reaction.
On the left side, there are 2 moles of gas (H₂ and I₂), while on the right side, there are 2 moles of gas (2HI). Both sides have an equal number of moles of gas.
Therefore, the correct answer is B) There is no change because there are the same number of moles of gas on both sides.
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if a chemist received a case that contained 1000 small baggies of a tan powder, all in the same type of packaging and with all about the same weight of powder, which scheme should he/she use to test these?
Answers
Drug checking (also known as pill testing or adulterant screening) enables drug users to identify the substance they intend to take and thus avoid the risks associated with consuming an unknown substance.
What is a verified drug test?Reagent Testing : Reagents are liquid drops that can be applied to a small sample of a substance with little user training. A chemical interaction detects the presence of specific substances in a sample using color changes and corresponding codes.
Fentanyl Testing: As the number of fentanyl-related drug overdose deaths has risen dramatically in recent years, fentanyl testing strips, originally designed for urine drug tests, are now being used off label to test for the presence or absence of fentanyl and fentanyl analogs in the illegal drug supply.
Drug testing strips allow users to dissolve a small amount of a drug in water, insert a test strip, and look for an indicator line that indicates the presence of fentanyl. Strips are single-use and cost between $1 and $2 per test. Fentanyl testing strips are inexpensive, simple to distribute (given adequate infrastructure), and can accurately determine whether or not a substance contains fentanyl.
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When you get home, you smell cookies baking. You respond by walking toward the kitchen. Many signals move through your
nervous system in this process. Which component is involved first? (1 point)
O axons in your motor neurons
axons in your sensory neurons
Odendrites in your motor neurons
O dendrites in your sensory neurons
Answers
Answer:
dendrites in your sensory neurons
Explanation:
Sensory neurons are first activated, then the stimulus is transmitted horizontally between them, spreading perception through the olfactory bulb that captures the smell of a baked cookie.
After this, the axons are activated to transmit to the motor neurons that will carry out the action of walking towards the kitchen.
What is
the commission amount on 500000 at rate of 6%
Answers
Answer:
30000
Explanation:
6/100×500000 =30000
if δhδhdh = -80.0 kjkj and δsδsds = -0.400 kj/kkj/k , the reaction is spontaneous below a certain temperature. calculate that temperature.
Answers
The temperature at which the reaction becomes spontaneous is 200 Kelvin (or -73°C).
To determine the temperature at which the reaction becomes spontaneous, we'll use the Gibbs Free Energy equation: ΔG = ΔH - TΔS, where ΔG is the change in Gibbs Free Energy, ΔH is the change in enthalpy, T is the temperature in Kelvin, and ΔS is the change in entropy.
In this case, ΔH = -80.0 kJ and ΔS = -0.400 kJ/K. A spontaneous reaction occurs when ΔG is negative. To find the temperature where the reaction is spontaneous, set ΔG equal to zero and solve for T:
0 = -80.0 kJ - T(-0.400 kJ/K)
Rearrange the equation to isolate T:
T = (-80.0 kJ) / (-0.400 kJ/K)
T ≈ 200 K
The reaction is spontaneous below a temperature of approximately 200 K.
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How can we see all four colors from a hydrogen gas dischrarge tube simutaneously?
Answers
There are thousands of hydrogen atoms so together they can let off or group up to form all four colors.
Hydrogen is a chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. Under standard conditions, hydrogen is a diatomic molecular gas of the formula H2. It is colorless, odorless, tasteless, non-toxic, and highly flammable.
Hydrogen is an energy carrier that can be used to store, transfer, and deliver energy generated from other energy sources. Hydrogen fuel can be produced today by several processes. The most commonly used methods today are natural gas reforming (a thermal process) and electrolysis. It is found in the Sun and most stars, and the planet Jupiter is composed primarily of hydrogen. On Earth, hydrogen is most abundant as water. As a gas in the atmosphere, it is present in trace amounts, less than 1 ppm by volume.
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The electrons in an atom's outermost energy level are called: Electron dots. Quantum electrons. Valence electrons. Noble-gas electrons.
Answers
The valence electrons are located in an atom's outermost energy level
Further explanationIn an atom, there are levels of energy in the shell and subshell
This energy level is expressed in the form of electron configurations.
Electrons fill the orbitals based on the Aufbau principle, namely the filling of electrons starts from the lowest energy level
Electron dotsUsually used in describing Lewis structures, placed around the element
Quantum electronsEach orbital in an atom consists of 4 quantum numbers : n, l, ml, ms
Each electron has a different quantum number and this conforms to Pauli's rule: no electrons have the same 4 quantum numbers
Valence electronsValence electrons are electrons used in a chemical bond , and in an atom's outermost energy level
Noble-gas electronsNoble gas has a stable electron configuration of 8 valence electrons which guides the formation of chemical bonds called the octet rule
when ca2+ concentration in the blood becomes lower than normal, __________.
Answers
when ca2+ concentration in the blood becomes lower than normal,parathyroid hormone is released.
This drug is a synthetic version of the hormone parathyroid, which is naturally produced by your body's parathyroid glands. Your body's calcium and phosphorus levels are regulated and kept in balance by the parathyroid hormone. In order to address low blood calcium caused by insufficient parathyroid hormone, this drug is combined with calcium and vitamin D.More than 7,000 times less calcium ions are present in the intracellular fluid of cells than in the blood plasma.Serious negative effects from parathyroid hormone are possible. If you have any of the following symptoms due to elevated calcium levels: nausea, vomiting, constipation, excessive thirst or urination, muscular weakness, bone pain, disorientation, loss of energy, or fatigue, call your doctor right once. You could experience low calcium levels if you stop taking parathyroid hormone.
complete question:When Ca2+ concentration in the blood becomes lower than normal, __________.
parathyroid hormone is released
growth hormone is released
calcium salts deposit in the blood vessels
testosterone is released
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Peer-reviewed papers are considered trustworthy because they
A.Have more than one author incorrect answer
B.Prove their hypotheses incorrect answer
C.Have been checked by other scientists
D.are published frequently
Answers
100 pts Horticulture (HURRY)
Which of the following facets of IPM control systems is most likely to focus on the diversion of pests from a commercial crop?
monitoring
avoidance
suppression
prevention
Answers
Answer:
Suppression
Explanation:
suppression is used to reduce pest populations below the economic threshold if prevention and avoidance tactics have failed--chemical, bio and cultural and other tactics are used which minimize environmental impacts
Answer:
i know im late again but its suppression
Explanation:
what are two ways in which minerals can form from a solution? read more >>
Answers
Evaporation and crystallization are two common processes by which minerals form from a solution. Here option C is the correct answer.
When a solution containing dissolved minerals is left undisturbed, the water content of the solution gradually decreases through evaporation. As the water evaporates, the concentration of dissolved minerals increases, eventually reaching a point where the solution becomes supersaturated.
At this stage, the excess minerals start to come together and form solid crystals. This process is known as crystallization. Evaporation and crystallization commonly occur in environments with high rates of evaporation, such as hot and arid regions or shallow bodies of water.
Examples of minerals formed through evaporation and crystallization include halite (rock salt), gypsum, and borax. These minerals often precipitate and accumulate in layers, forming distinctive sedimentary deposits.
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Complete question:
Which of the following are two ways in which minerals can form from a solution?
A) Sublimation and condensation
B) Fusion and solidification
C) Evaporation and crystallization
D) Oxidation and reduction
How does the structure of ethanol relate to the functions it has? Like with fuel and alcoholic beverages.
Answers
EXPLANATION:
Ethanol is commonly known as ethyl alcohol, pure alcohol, grain alcohol, and most importantly it is known alcohol present in alcoholic beverages.
The chemical formula of ethanol is written below as
\(C_2H_5OH\)Ethanol is very soluble in water and also, it has many functions due to the presence of hydroxyl as the functional group.
The next thing is to draw the structure of ethanol
Ethanol act as a fuel because the ethanol molecule contains oxygen, it allows the engine to more completely combust the fuel.
8) Nucleotides contain one or more phosphate groups that are usually attached to the:
1) C3' or C5' atoms 2) C3 or N5 atoms 3) none of the above 4) C1' or N3 atoms 5) C5' or N3 atoms
Answers
The correct answer is 5) C5' or N3 atoms.
Nucleotides are composed of three main components: a phosphate group, a sugar molecule, and a nitrogenous base. The phosphate group in nucleotides is responsible for providing the negative charge and stability to the molecule. It is usually attached to either the C5' atom or the N3 atom.
The C5' atom is a carbon atom in the sugar molecule, specifically the ribose or deoxyribose sugar. This carbon is numbered as C5 in the sugar ring.
The N3 atom is a nitrogen atom in the nitrogenous base, which can be either adenine, cytosine, guanine, or thymine (or uracil in RNA). This nitrogen is numbered as N3 in the base ring.
So, in conclusion, nucleotides contain one or more phosphate groups that are usually attached to either the C5' atom in the sugar or the N3 atom in the nitrogenous base.
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How does burning fossil fuels cause an increase of carbon in the air?
Answers
Answer:
Because burning a non-renewable resource that is not good for the atmosphere, will always cause some kind of chemical reaction to happen.
Examples of these reactions are...
Acid rain, a very dangerous disaster.Global warming.Carbon increases.