Calculate the volume of 14.0 MHNO 3 that would be required to obtain 3.00 moles of the solute.
Answers
n = C x V
where:
n is the number of moles of solute
C is the concentration of the solution in units of moles per liter (M)
V is the volume of the solution in liters
In this case, we have:
n = 3.00 moles
C = 14.0 M (the concentration of the solution)
V = ?
Rearranging the equation, we get:
V = n / C
Substituting the given values, we get:
V = 3.00 moles / 14.0 M
V = 0.214 L
Therefore, the volume of 14.0 M HNO3 required to obtain 3.00 moles of the solute is 0.214 liters (or 214 milliliters).
Related Questions
In the SIM media, which ingredients could be eliminated if the medium were used strictly for testing for motility and indole production? What if I were testing only for motility and sulfur reduction? Edit View Insert Format Tools Table 12pt Paragraph | BI VA V e T²v | 6 D D V Question 2 2 pts All bacteria have the enzymes inside their cells to use citrate for energy. That being said, you saw that only some bacteria can grow on citrate media. Explain why bacteria that can use citrate for energy and carbon may not be able to grow on this media. Edit View Insert Format Tools Table 12pt Paragraph IB I Y A e per l oor BE D
Answers
In the event that the SIM (Sulfide Indole Motility) medium is utilized entirely for testing motility and indole generation, the ingredients that can be killed are those particularly related to the discovery of hydrogen sulfide (H2S) generation. These ingredients incorporate ferrous sulfate or ferrous ammonium sulfate, which are utilized to identify the arrangement of dark precipitates showing the presence of H2S.
What if I were testing only for motility and sulfur reduction?In the event that the testing is exclusively for motility and sulfur reduction, the ingredients that can be killed are those related to the discovery of indole generation. Indole isn't directly included in sulfur reduction, so the following fixing can be removed:
Tryptophan: Tryptophan is the amino corrosive substrate utilized for identifying indole generation. Since the center is on sulfur diminishment, the consideration of tryptophan is pointless.Bacteria have the enzymes vital to utilize citrate as a source of vitality and carbon, but not all microbes can develop on citrate media. The failure of a few microbes to develop on citrate media can be clarified by the taking after reasons:
Citrate Permease: Citrate cannot be transported into bacterial cells without the availability of a particular transporter called citrate permease. A few bacteria need or have constrained expression of this transporter, which anticipates them from taking up citrate from the media, in this manner hindering their development on citrate media.Citrate Utilization Pathway: Although bacteria can transport citrate into their cells, they still require a utilitarian citrate utilization pathway to metabolize it. A few microscopic organisms may need the fundamental proteins or regulatory variables required to prepare and utilize citrate as an vitality and carbon source. As a result, they cannot develop on citrate media.It's vital to note that the capacity to develop on citrate media is regularly evaluated utilizing the Simmons citrate agar test, which contains sodium citrate as the sole source of carbon.
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the orbital quantum-mechanical model uses what three quantum numbers to visualize electron clouds?
Answers
The orbital quantum-mechanical model uses three quantum numbers to visualize electron clouds: the principal quantum number (n), the azimuthal quantum number (l), and the magnetic quantum number (ml).
The principal quantum number (n) determines the energy level and size of an orbital. It can have integer values starting from 1, with higher values indicating higher energy levels and larger orbitals.
The azimuthal quantum number (l) specifies the shape of the orbital and can have values ranging from 0 to (n-1). It is commonly represented by letters such as s, p, d, and f, which correspond to specific orbital shapes.
The magnetic quantum number (ml) defines the orientation of the orbital within a particular subshell and can have values ranging from -l to +l. These three quantum numbers are essential in describing and visualizing the electron clouds around an atomic nucleus according to the orbital model.
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Which of the following is NOT a sign of a chemical change? (HINT: only 2 answers, the rest are chemical change)
1. tarnished is formed
2. gas is produced
3. weight change
4. Temperature change
5. color change
6. nothing changes
7. forms a precipitate
8. energy is released
Need this done today please!!
Answers
Answer:
3 and 6 (weight change and nothing changes)
Explanation:
Hi there!
A chemical change is a change when matter changes into a new substance and has a new chemical property.
The signs that a chemical change is taking place are:
1. change in color
2. change in smell
3. change in energy (for example, there is a change in temperature (thermal energy))
4. a gas is formed (fizzing/bubbling/foaming are signs of this!)
5. formation of a solid (a precipitate)
A physical change is any change to the size, shape, or state of a substance. The substance still has the same chemical property.
these are your eight options:
1. tarnished is formed (a sign of a chemical change; a change in color)
2. gas is produced (a sign of a chemical change)
3. weight change (NOT a sign of a chemical change. Even though the weight changed, the substance still has the same chemical composition and therefore, there wasn't any change to its chemical identity)
4. Temperature change (a sign of a chemical change; a change in energy)
5. color change (a sign of a chemical change)
6. nothing changes (NOT a sign of a chemical change. If nothing happens, the substance is still the same as it was originally and there was no change to its chemical identity.)
7. forms a precipitate (a sign of a chemical change)
8. energy is released (a sign of a chemical change)
therefore the two options that are NOT a sign of a chemical change are 3 and 6 (weight change and nothing changes)
Hope this helps! :)
A concentration cell consists of the same redox couples at the anode and the cathode, with different concentrations of the ions in the respective compartments. Find the unknown concentration for the following cell. Pb(s)| Pb2+(aq, ?)|| Pb2+(aq, 0.1 M)| Pb(s) E = 0.028 V Answer in units of M.
Answers
Unknown concentration in the given concentration cell, consists of identical redox couples at both the anode and cathode with different concentrations, the Nernst equation and the given cell potential can be utilized. The concentration of Pb2+ in the anode compartment can be calculated in units of M.
The Nernst equation relates the cell potential (E) to the concentrations of the redox couples involved in the cell. In this case, the cell consists of Pb(s)|Pb2+(aq, ?)||Pb2+(aq, 0.1 M)|Pb(s),
where the concentration of Pb2+ in the cathode compartment is given as 0.1 M. The unknown concentration of Pb2+ in the anode compartment needs to be determined.
The Nernst equation can be expressed as E = E° - (RT/nF) * ln(Q), where E is the cell potential, E° is the standard cell potential, R is the gas constant, T is the temperature, n is the number of electrons transferred, F is the Faraday constant, and Q is the reaction quotient.
In this case, since the redox couples at the anode and cathode are identical, the standard cell potential (E°) is zero. Therefore, the Nernst equation simplifies to E = - (RT/nF) * ln(Q).
By plugging in the given values, including the known concentration of Pb2+ in the cathode compartment (0.1 M) and the cell potential (0.028 V), the unknown concentration of Pb2+ in the anode compartment can be calculated using the Nernst equation.
Using this approach, the unknown concentration of Pb2+ in the anode compartment of the concentration cell can be determined in units of M.
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In this scenario would it be an endothermic or exothermic reaction
Sodium and chlorine combine in an explosive reaction to form table salt.
Answers
Answer:
Exothermic
Explanation:
because it is releasing energy into the air in the blast radius.
What are the symptoms of Swollen Shoot Disease?
Answers
Answer:
\(\color{Blue}\huge\boxed{Answer} \)
Main symptoms include: leaf chlorosis (interveinal), root necrosis, red vein banding in young leaves, small mottled pods, and stem/root swelling followed by die-back.
There are 0.657785 mol C and
1.31275 mol S in the sample.
What is the whole number ratio of
C to S?
[?] C [?] S
:
Enter the value for C in the green blank and
the value for S in the yellow blank.
C (green)
S (yellow)
Enter
![There are 0.657785 mol C and1.31275 mol S in the sample.What is the whole number ratio ofC to S?[?] C](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/I0szcy9kl4882tFBtpI3jjkCUG73VdN2.png)
Answers
The whole number mole ratio is 1
What is mole ratio?Mole ratio refers to the ratio between the amounts in moles of any two compounds involved in a chemical reaction. It is determined by the coefficients in the balanced chemical equation for the reaction.
The mole ratio is important in stoichiometry calculations, which involve determining the amounts of reactants and products involved in a chemical reaction.
The mole ratio is;
0.657785 mol/1.31275 mol
= 0.5
Approximately 1
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Determine the volume Of the sample of CO2 if the temperature and pressure are changed to 336K and 152.0 kPa
Answers
Answer:
Determine the volume of the sample of CO2(g) if the temperature and pressure are changed to 336K and 152.0 kPa. Answer-->151 mL (PV/T=PV/T ) 60.
The combined gas law gives the value of the volume. The final volume at 336 K is 151.3 mL.
What is combined gas law?
Charle's, Boyle's, and Gay-Lussac's laws together give the combined gas law. It is given as:
PV / T = k
Given,
Initial volume = 200 mL
Initial pressure = 101.3 kPa
Initial temperature = 296 K
Final pressure = 152 kPa
Final temperature = 336 K
The final volume is calculated as:
(P₁V₁) ÷ T₁ = (P₂V₂) ÷T₂
(101.3 × 200) ÷ 296 = (336 × V) ÷ 152
V = 151.3 mL
Therefore, 151.3 mL is the final volume at 300 K.
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PLEASEEEE HELPPPPP!!
Answers
Answer:
Its the first one
Explanation:
4 mol is the highest of the Bunch and 4.0L is the lowest making the first answer the correct one
What is a concentrated solution?
Answers
Answer:
What is a concentrated solution?
Concentrated solution is a solution that contains a large amount of solute relative to the amount that could dissolve.
xXxAnimexXx
Happy Labor day!
Which two statements are true for both compounds and mixtures?
A. They are made up of more than one type of atom.
B. Their particles all have the same chemical formula.
O C. They can be separated into two or more elements.
D. Their particles are held together by chemical bonds.
Answers
Answer:
B and C is your best option
BRAINLIST ???
A cat runs across a road that
is 9 meters (m) wide. It
covered this distance in 3
seconds (s). What is the
speed of the cat?
Answers
Why do you need to combust benzoic acid before testing the "unknown" sample you are interested in? Why do you need to combust more than one sample of the "unknown" you are testing?
Answers
Various samples of the must be combusted in other to obtain a reliable result.
What is a bomb calorimeter?The bomb calorimeter is used to obtain the energy of a sample. This is called the energy equivalent or the energy value of the sample.
Now, we know that the bomb calorimeter is calibrated by the use of benzoic acid hence it must be combusted first to obtain the basic energy value of the calorimeter.
Various samples of the must be combusted in other to obtain a reliable result.
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distance time graphs are made by plotting data for time and what?
Answers
Answer:
A distance-time graph shows how far an object has travelled in a given time. Distance is plotted on the Y-axis (left) and Time is plotted on the X-axis (bottom).
if 31.95 ml of a standard 0.3716 m naoh solution is required to neutralize 41.85 ml of h2so4, what is the molarity of the acid solution?
Answers
he balanced chemical equation for the reaction between NaOH and H2SO4 is:
2 NaOH + H2SO4 → Na2SO4 + 2 H2O
From the equation, we can see that two moles of NaOH react with one mole of H2SO4. Therefore, the number of moles of NaOH used in the reaction is:
n(NaOH) = (0.3716 mol/L) x (31.95 mL / 1000 mL) = 0.01187 mol
Since two moles of NaOH react with one mole of H2SO4, the number of moles of H2SO4 in the solution is:
n(H2SO4) = 0.01187 mol / 2 = 0.005935 mol
The volume of the H2SO4 solution used is 41.85 mL or 0.04185 L. Therefore, the molarity of the H2SO4 solution is:
M(H2SO4) = n(H2SO4) / V(H2SO4) = 0.005935 mol / 0.04185 L = 0.142 mol/L
So, the molarity of the H2SO4 solution is 0.142 mol/L.
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Properties that depend on the concentration of a solute in a solution but not on the identity of the solute are _________ properties.
Answers
Answer:
Colligative properties
Explanation:
Colligative properties are those properties of a solution that depend only on the concentration of solute molecules or solute ions present in the solution but not on the identity of the solute.
The following are examples of colligative properties; vapor pressure lowering, boiling point elevation, freezing point depression, and osmotic pressure.
Colligative properties depend on the nature of the solvent and on the solution concentration but not on the identity of the solute.
The half-life of radium−226 is 1. 60 × 103 yr. How many hours will it take for a 2. 50−g sample to decay to the point where 0. 185 g of the isotope remains? enter your answer in scientific notation.
Answers
With the use of formula, It will take 5.2 x \(10^{7}\) hours for a 2. 50g sample to decay to the point where 0. 185 g of the isotope remains.
What is the meaning of Half - Life ?The half life of a substance to decay is the time taken for half of the atoms initially present in the element to decay.
From the question, It is given that the half-life of radium−226 is 1. 60 × 103 yr. To know many hours it will take for a 2. 50 g sample to decay to the point where 0. 185 g of the isotope remains, we can use both logic and formula to solve this.
With the use of Formula,
N = \((1/2)^{t/T}N_{o}\)
Where
N = quantity left behind after decay = 0.185 g\(N_{o}\) = Initial quantity = 2.5 gt = Total time = 1600 yearsT = half - life timeSubstitute all the parameters into the formula
0.185 = \((1/2)^{t/1600}\) x 2.5
0.185 / 2.5 = \((1/2)^{t/1600}\)
0.074 = \((1/2)^{t/1600}\)
Log both sides
Log(0.074) = Log\((1/2)^{t/1600}\)
Log(0.074) = t/1600 Log(0.5)
t/1600 = Log(0.074) / Log(0.5)
t/1600 = -1.131 / -0.301
t/1600 = 3.7563
Cross multiply
t = 6010.13 years
Convert the year to hour
365 days = 1 year
24 hours = 1 day
24 x 365 = 8760 hours in one year
For 6010.13 years, there will be 6010.13 x 8760 = 52648738.8 hours
Which is 5.2 x \(10^{7}\) hours.
Therefore, it will take 5.2 x \(10^{7}\) hours for a 2. 50g sample to decay to the point where 0. 185 g of the isotope remains.
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The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium oxide (MgO). 2Mg O2 Right arrow. 2MgO The molar mass of O2 is 32. 0 g/mol. What mass, in grams, of O2 is required to react completely with 4. 00 mol of Mg? 2. 00 64. 0 128 256.
Answers
Answer:
is the hoodie oh ok with that being a good day to be a good time with my friends and I have exam next to me that I am a very happy to be the best of the day
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The mass of oxygen required for complete utilization of 4 mol of Mg has been 64 g. Thus, option B is correct.
The balanced equation for the reaction has been:
\(\rm 2\;Mg\;+\;O_2\;\rightarrow\;2\;MgO\)
From the balanced chemical equation, for complete utilization of 2 moles of Mg, 1 moles of oxygen has been used.
The given moles of Mg has been 4 mol. The moles of oxygen required can be given as:
\(\rm 2\;mol\;Mg=1\;mol\;O_2\\4\;mol\;Mg=2\;mol\;O_2\)
Thus, the moles of oxygen required has been 2 mol for complete utilization of 4 mol Mg.
The mass from moles can be calculated as:
\(\rm Mass=Moles\;\times\;molecular\;mass\)
The molecular mass of oxygen has been 32 g/mol.
The mass of oxygen has been:
\(\rm Mass=2\;\times\;32\;g\\Mass=64\;g\)
The mass of oxygen required for complete utilization of 4 mol of Mg has been 64 g. Thus, option B is correct.
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I don’t understand why In a liquid, the particles touch each other. Strong forces of attraction between the panicles stop them escaping from the liquid ?! Pls help me
Answers
Answer:
hope it's helpful for you
Explanation:
please make brainlist answer
pls help i’ve been doing exercises about it but i thing im just too tired to think rn
Answers
The number of moles to the equations are as follows;
1. 0.800 mol 2. 0.0814 mol 3. 0.162 mol
4. 2.8197 mol 5. 1.8798 mol 6. 2.8917 mol 7. 4mol of LiNO3 should make 2 mol of Li2SO4
How do we find the moles for the equation?1. 0.400 x (2/1) = 0.800 mole
2. 7.50(1/46.07) = 0.1628
0.1628(1/2) = 0.0814 mol
3. 7.50(1/46.07) = 0.1628
0.1628(2/2) = 0.1628 mol
4. 150(1/159.69) = 0.9399
0.9399(3/1) = 2.88197 mol
5. 150(1/159.69) = 0.9399
0.9399(2/1) = 1.898 mole
6. 0.9399(3/1) = 2.88197 mol
7. 250(1/109.94) = 2.2737 mole
The above answer is based on the information below, that was gotten from the picture;
Using the equation:
C6H12O6 → 2 C2H5OH + 2 CO2
6. How many moles of CO2 are produced when 0.400 mol of C6H12O6 react?
7. How many moles of C6H12O6 are needed to form 7.50 g of C2H5OH?
8. How many moles of CO2 form when 7.50 g of C2H5OH are produced?
Using the equation:
Fe2O3 + 3CO → 2 Fe + 3CO2
9. Calculate the number of moles of CO that can react with 150 g of Fe2O3.
10. Calculate the number of moles of Fe formed when 150 g of Fe2O3 reacts.
11. Calculate the number of moles of CO2 formed when 150 g of Fe2O3 reacts.
Using the equation:
Pb(SO4)2 + 4 LINO3 → Pb(NO3)4+2 Li2SO4
12. How many moles of lithium nitrate will be needed to make 250 grams of lithium sulfate?
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Which of the following gas is found the most in the Earth's atmosphere? *
A.Oxygen
B.Nitrogen
C.Carbon Dioxide
D.There is no gas in our atmosphere
Answers
Answer:
Oxygen
Explanation:
what does the heisenberg uncertainty principle state
Answers
Answer: It states that there is a fundamental limit to what one can know about a quantum system.
Explanation:
Another question. What is an example of a chemical change?
Answers
Answer:
Yellowing of leaves
Explanation:
Involves the colour change in leaves whereby less amount of chlorophyll is produced
Answer:
burning, cooking, milk becoming curd, rusting of iron
If an object has a mass of 42 kg and a volume of 2m3 what is its density
Answers
Answer:
Mass = 42 kg
Volume = 2 m^3
By using formula = Density = Mass/Volume
= 42/2
= 21/1
= 21
= 21 m^3
draw the structure of the product(s) formed on mixing propanoic acid and aniline and then the new organic product formed on heating. be sure to show formal charges and draw the appropriate number of condensed hydrogens on oxygen and nitrogen atoms, where necessary.
Answers
Below is a diagram of the product's structure. The product is amide.
Aniline's N atom functions as a nucleophile, whereas propanoic acid's carbonyl group functions as an electrophilic center. A nucleophilic acyl substitution process takes place when aniline and propanoic acid are combined and heated. An amide is created during this reaction. At the carbonyl center, the reaction mechanism follows the addition-elimination pathway. The complete response mechanism is displayed here. An acyl group (R-C=O) joined to a nitrogen atom forms the functional group of an amide, which is typically an organic compound: The simplest amides are ammonia (NH3) derivatives with an acyl group in place of one hydrogen atom.
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How is Mass converted to the energy released in the fire
Answers
Answer:
The heat and light released by fire comes from the breaking of chemical bonds. ... The mass of each molecule, before burning, exceeds the total mass of its atoms by a tiny amount that is equivalent (through E=mc²) to the total energy of all its atomic bonds.
Explanation:
I hope this helps (:
Is this a balanced chemical equation?
Answers
use a function in cell b5 of the questions 11 - 16 worksheet to answer the following question: how many orders that were shipped to the west region included a washington football team jersey?
Answers
Without access to the specific data and worksheet, write a function in cell B5 of the specified worksheet. You would need to analyze the data and perform the necessary calculations based on the provided criteria to determine the number of orders that meet the specified conditions.
How many orders shipped to the West region included a Washington football team jersey?To determine the number of orders that were shipped to the West region and included a Washington football team jersey, you would need access to the relevant data that tracks orders, shipments, and item details.
This data would typically be stored in a database or spreadsheet.
You would need to identify the column or field that specifies the region and another column or field that indicates the item or product in each order.
By filtering or querying the data based on the West region and the Washington football team jersey, you can count the number of matching orders.
Once you have the relevant data and the necessary tools (such as Excel or a database management system), you can write a formula or query to obtain the desired count.
The specific approach may vary depending on the structure of your data and the tools you are using.
If you have the data available, please provide more details, such as the structure of your data and the specific columns or fields related to regions and items.
With that information, I can guide you further in formulating the necessary function or query to answer your question.
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After opening to trade, a capital-abundant country will export the ____ good and ____ will be better off.
Answers
After opening to trade, a capital-abundant country will export the capital-intensive good and both the country and its trading partners will be better off. Capital-intensive goods refer to those products that require more investment in machines, equipment, and technology for their production.
Since a capital-abundant country has a relatively higher amount of capital, it can produce these goods more efficiently than labor-intensive products. By exporting capital-intensive goods, the country can earn higher profits and increase its overall economic growth. Furthermore, the exporting of capital-intensive goods can also lead to improved economic conditions for its trading partners. These partners can purchase these goods at a lower price, as the exporting country can produce them at a lower cost. The importing of these goods will lead to an increase in consumption, investment, and overall economic growth in the importing countries.
In conclusion, the opening to trade can benefit a capital-abundant country through the exporting of capital-intensive goods, which leads to increased profits and economic growth. It also benefits the importing countries through the increased availability of these goods at a lower cost, leading to improved economic conditions.
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What would happen to the boilling point of water at 8000m above sea level where air pressure is lower
Answers
The boiling point will be lower, because water boils when its vapor pressure is equal to atmospheric pressure.
What is atmospheric pressure?Atmospheric pressure is described as the force exerted on a surface by the air above it as gravity pulls it to Earth. Atmospheric pressure is commonly measured with a barometer.
If you are at 8 000 m above sea level, the air pressure is lower than one atmosphere and the equilibrium between the water and air pressures will be reached before.
In conclusion, Atmospheric pressure is caused by the weight of the air molecules above.
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The boiling point of water at 8000m above sea level where air pressure is lower would be significantly lower.
How does air pressure affect boiling point ?The boiling point of water decreases as the air pressure decreases. At an altitude of 8000 meters above sea level, the air pressure is significantly lower than it is at sea level, so the boiling point of water would also be significantly lower.
At sea level, the normal boiling point of water is 100 degrees Celsius (212 degrees Fahrenheit) at a standard atmospheric pressure of 101.3 kPa. As the altitude increases, the atmospheric pressure decreases, so the boiling point of water decreases as well.
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