Answers
Answer:
This is a pretty straightforward example of how an ideal gas law problem looks like.
Your strategy here will be to use the ideal gas law to find the pressure of the gas, but not before making sure that the units given to you match those used by the universal gas constant.
So, the ideal gas law equation looks like this
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
P
V
=
n
R
T
a
a
∣
∣
−−−−−−−−−−−−−−−
Here you have
P
- the pressure of the gas
V
- the volume it occupies
n
- the number of moles of gas
R
- the universal gas constant, usually given as
0.0821
atm
⋅
L
mol
⋅
K
T
- the absolute temperature of the gas
Take a look at the units given to you for the volume and temperature of the gas and compare them with the ones used in the expression of
R
.
a
a
a
a
a
a
a
a
a
a
a
Need
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
Have
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
Liters, L
a
a
a
a
a
a
a
a
a
a
a
a
a
Liters, L
a
a
a
a
a
a
a
a
a
a
a
√
a
a
a
a
a
a
a
Kelvin, K
a
a
a
a
a
a
a
a
a
a
a
a
Celsius,
∘
C
a
a
a
a
a
a
a
a
a
×
Notice that the temperature of the gas must be expressed in Kelvin in order to work, so make sure that you convert it before plugging it into the ideal gas law equation
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
T
[
K
]
=
t
[
∘
C
]
+
273.15
a
a
∣
∣
−−−−−−−−−−−−−−−−−−−−−−−−
Rearrange the ideal gas law equation to solve for
P
P
V
=
n
R
T
⇒
P
=
n
R
T
V
Plug in your values to find
P
=
0.325
moles
⋅
0.0821
atm
⋅
L
mol
⋅
K
⋅
(
35
+
273.15
)
K
4.08
L
P
=
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
2.0 atm
a
a
∣
∣
−−−−−−−−−−−
The answer is rounded to two sig figs, the number of sig figs you have for the temperature of the gas.
Answer:
[tex]\huge\boxed{\sf P = 1.68 \ atm}[/tex]
Explanation:
Given:
Moles = n = 0.6 mol
Volume = v = 9.13 L
Temperature = T = 38 °C + 273 = 311 K
Gas constant = R = 0.08206 L atm K⁻¹ mol⁻¹
Required:
Pressure = P = ?
Formula:
Pv = nRT
Solution:
Rearranging formula
[tex]\displaystyle P = \frac{nRT}{v} \\\\P = \frac{(0.6)(0.08206)(311)}{9.13} \\\\P = \frac{15.3}{9.13} \\\\P = 1.68 \ atm\\\\\rule[225]{225}{2}[/tex]
Related Questions
Which of the following was not an invention of the Han period?
A. Porcelain
B. Wheelbarrow
C. Paper
D. Silk
Answers
Answer:
Silk! All the others were inventions of the Han period.
Explanation:
Silk fabric was invented in Ancient China. Legend has it that the process for making silk cloth was first invented by the wife of the Yellow Emperor, Leizu, around the year 2696 BC.
- profparis
Hello people ~
Water cannot be used as a fire extinguisher to put out –
A. Burning charcoal
B. Burning cloth
C. Burning oil
D. Burning wood
Answers
Answer:
C. Burning oil
Explanation:
Water cannot be used as a fire extinguisher to extinguish the flames of burning oils such as gasoline, petrol, or diesel. Because oil is lighter than water, it floats on top of it and cremates. Furthermore, as the water spreads and carries the oil with it, the fire spreads over a larger area.
I am joyous to assist you at any time.
Answer:
Burning oil
Explanation:
oil has lower density than waterAs water has higher density it will sink down and oil will be over it .So it can't control the oil related fireWhat element is commonly used to reduce iron oxide?
Answers
Answer:
The element that is commonly used to reduce iron oxide would be carbon.
Explanation:
:)
Iron oxide is reduced to a lower oxide or metal by gaseous carbon monoxide or solid carbon.
What is Reduction?Reduction is defined as the chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electrons.
For example,
2Na + H2 → 2NaH (addition of hydrogen)
CuO + H2 → Cu + H2O(removal of oxygen)
Fe3+ + e- → Fe2+ (gain of electron)
Above example of reduction reaction is when oxygen reacts with iron to form rust. In this reaction oxygen is reduced because it accepts electrons from iron, which is oxidized.
Thus, Iron oxide is reduced to a lower oxide or metal by gaseous carbon monoxide or solid carbon.
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HELPSPEPEP ILL BRAINLIST!!!
Explain the scale of recycling that is currently present in Australia and predict how traditional industries could be affected by an increase in recycling in Australia.
make it short and simple pls. ty.
Answers
Answer:
Negative impacts include: noise, air and odour pollution from collection and reprocessing facilities; costs to set up recycling infrastructure and education materials for new areas; and costs associated with innovations and technologies, which are likely to be passed on to end consumers in product prices.
Explanation:
What is meant by the phrase “a consistent method of measurement"?
A. Things are measured the same way each time.
B. All measurements are in Sl units.
C. Every measurement is exactly the same numerical value.
D. The same person performs all measurements.
Answers
Answer:
A. Things are measured the same way each time.
Explanation:
In addition to not causing damage to the sample, what is another advantage of using a microspectrophotometer to analyze fibers?
The fiber’s spectra can also be polarized.
The sample can be quite small.
The sample can originate from a known source.
The fiber sample’s dye can be extracted.
Answers
Another advantage of advantage of using a microspectrophotometer to analyze fibers asides not causing damage to the sample is that the sample can be quite small.
What is a microspectrophotometer?Microspectrophotometry is a biological technique used to measure the absorption or transmission spectrum of a solid or liquid material in either transmitted or reflected light.
Microspectrophotometry can also measure the emission of light by a sample, which is usually small as the micro implies.
One advantage of microspectrophotometry is that the sample does not get damaged. However,
However, another advantage of advantage of using a microspectrophotometer to analyze fibers asides not causing damage to the sample is that the sample can be quite small.
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A mixture of hydrochloric acid and lithium hydroxide produces lithium chloride and water. How many moles of water are produced from 3.25 moles of hydrochloric acid?
Answers
If a mixture of hydrochloric acid and lithium hydroxide produces lithium chloride and water, 3.25 moles of water are produced from 3.25 moles of hydrochloric acid.
How to calculate number of moles?According to this question, a mixture of hydrochloric acid and lithium hydroxide produces lithium chloride and water. The balanced chemical equation is as follows:
HCl + LiOH = LiCl + H2O
Based on the above equation, 1 mole of HCl produces 1 mole of water.
3.25 moles of HCl will produce 3.25 moles of H2O.
Therefore, a mixture of hydrochloric acid and lithium hydroxide produces lithium chloride and water, 3.25 moles of water are produced from 3.25 moles of hydrochloric acid.
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What is the temperature of the flame in degrees Celsius?
You measure the flame of a candle and get a reading of 1,376.06 K. This value is equal to
Answers
Answer:
- Deep red fire is about 600-800° Celsius
- Answer: {1102.91}
Given: K= °C + 273.15
K = 1,376.06
Since you’re trying to find C (Celsius) you want to get C by itself in the problem. So you subtract 273.15 from that side. Anything you do to one side of the equal sign you have to do to the other side, so also subtract 273.15 from K (1,376.06).
1,376.06 - 273.15 = {1102.91°C}
True or false: Energy is always transferred from high kinetic energy (temperature) too low kinetic energy (low temperature)
Answers
Answer:
true
Explanation:
Temperature is a measure of the average kinetic energy of the molecules, so energy would naturally be transferred from the molecules with more kinetic energy to the molecules with less kinetic energy
How are oceans and salt marshes different? B A Salt marshes have deeper water than oceans. Salt marshes have shallower water than oceans. Salt marshes have more organisms than oceans. D . Salt marshes have more wave action than oceans. С
Answers
Answer:
Salt marshes have shallower water than oceans
Explanation:
oceans go way deeper then salt marshes with the deepest part of thr ocean at 35,876ft deep
Answer: Salt marshes have shallower water than oceans.
Explanation: oceans are deeper
How does an electron move from the ground state to an excited state?
Answers
Answer:
It goes through a process called absorption. This is when an atom absorbs the energy from its surroundings. The electrons move from the ground state to the excited state because of this process. Once the atoms absorb energy, that affects the inner development when shifting to a new state of being.
Explanation:
The process that is known as absorption is when an atom absorbs energy from its surrounding racing it's energy level causing it to go into an excited state or highly-reactive state. When an atom goes through this process, electrons absorb the energy and raise to higher energy levels, therefore raising the stage of itself. This is how it gets into a excited state.
Use Figure 2 to describe which type of microscope the scientists should use to study the features of the hairlike organelles. Explain one possible function for these organelles based on where the organelles are located in the cell model in Figure 1
Answers
The Figure is not found here but the tiny hairlike organelles are also referred to as cilia.
What are cilia?Cilia are a special type of hairlike organelles capable of covering the surface of cells in many different organisms.
Cilia are found in different eukaryotic organisms ranging from unicellular protists to mammals (epithelial tissues).
The function of cilia is to produce motion (movement) of the cell in which these structures are found.
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A world with both liquid water on its surface and carbon dioxide in its atmosphere is unstable because.
Answers
* look at the photo *
1. saturated solutions of each of the following compounds are made at 20°c. circle the letter(s) of the solution(s), which will form a precipitate upon heating.
a) nacl b) na2so4 c) li2co3 d) sucrose
2. a saturated solution of potassium chloride is prepared in 100.0 g of water at 20°c. if the solution is heated to
50°c, how much more kcl must be added to obtain a saturated solution?
3. a saturated solution of sucrose in 1000.0 g of boiling water is cooled to 20°c. what mass of rock candy will be formed?
Answers
The solubility curve can show the variation of solubility with temperature.
What is a saturated solution?A saturated solution is one in which there is just enough solute as it can dissolve at a given temperature. The imege is missing hence the question is incomplete.
The solubility curve shows us the solubility of each substance but unfortunately we do not have it hence we can not answer the questions but we do know that the solubility curve can show the variation of solubility with temperature.
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What term describes a solution in which the dissolved solute is in equilibrium with the undissolved solute?
Answers
Saturated solution refer to a solution in which the dissolved solute is in equilibrium with the undissolved solute.
What is a saturated solution?A saturated solution is a chemical solution that contain maximum amount of a solute which is dissolved in the solvent. The addition of anotheg solute will not dissolve in a saturated solution. The amount of solute that can be dissolved in a solvent to form a saturated solution depends on a variety of factors.
Therefore, Saturated solution refer to a solution in which the dissolved solute is in equilibrium with the undissolved solute
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The term that describes a solution in which the dissolved solute is in equilibrium with the undissolved solute is saturated solution.
What is a saturated solution?A saturated solution is one in which there is so much solute that it would not dissolve if there was anymore.
When a saturated solution comes into contact with more solute, the extra solute does not dissolve or deposit.
Thus, the term that describes a solution in which the dissolved solute is in equilibrium with the undissolved solute is saturated solution.
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Draw the structure of the major organic product(s) of the reaction. Grinard's
Answers
Answer:
There is drawing of the major organic product of reaction
When the following redox equation is balanced with smallest whole number coefficients, the coefficient for nitrogen dioxide will be _____. I2(s) hno3(aq) ⟶ hio3(aq) no2(g) h2o(l)
Answers
In a redox reaction, electron could be lost or gained. The coefficients in the balanced redox reaction are; 1/2, 5, 1, 5, 2, 1.
What is a redox reaction equation?A redox reaction equation shows the species that were oxidized or reduced in a redox reaction. In this case, we are asked for the coefficients in a balanced redox reaction equation.
We must recall that five electrons were lost/gained in the process hence the balanced reaction equation is;
1/2I2 + 5HNO3 -----> IO3^- + 5NO2 + 2H2O + H^+
The coefficients in the balanced equation therefore are; 1/2, 5, 1, 5, 2, 1.
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The following redox equation is balanced with the smallest whole number coefficients, the coefficient for nitrogen dioxide will be 10.
What are redox reactions?
In redox reaction, there is transfer of electrons between the species of the reactions.
The given redox reaction is
[tex]\rm I2 (s) + HNO_3 (aq) -- > HIO_3 (aq) + NO_2 (g) + H_2O[/tex]
To find coefficient of the compounds of the reaction, there are coefficient calculator present.
Thus, the coefficient for nitrogen dioxide will be 10.
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List three reasons why nonvascular plants are important
Answers
Answer:
They are food for some animals. Some animals use them for nesting material. Humans can dry and burn some types of nonvascular plants as a fuel.
Explanation:
Some nonvascular plants produce various nutrients that are passed to the soil and can be used by other plants. Also, nonvascular plants that cover a large surface area help maintain the cohesion of the land by reducing the risk of erosion. Nonvascular plants are also very important to animals.
Hope it helps
Be great
Hi hello this system to have to ask question for answers is not good. I’m poor
Answers
Answer:
so what do you need help with?
Explanation:
Answer:
what do you need help with i will try to answer
Explanation:
Place the following in order of decreasing radius.
Te2- F- O2-
Answers
Answer:
Option 2 is correct.
Direction: Label the effort, resistance, and fulcrum of the following simple machines.
[tex]••••••••••••••••••••••••••••••••••••••••••••••••[/tex]
[tex] \large{ \pink{ \underline{ \purple{ \rm{Rules:}}}}}[/tex]
Correct answer = Brainliest
Wrong answer = Report
Complete answer = Brainliest
Incomplete answer = Report
Based on the question = Brainliest
Not on the question = Report
[tex]••••••••••••••••••••••••••••••••••••••••••••••••[/tex]
Note: If someone answer my question I will give you a big reward!.
Thank you!!
[tex]\color{cyan}{\begin{gathered} \gamma \\ \huge\boxed{ \ddot \smile}\end{gathered}} [/tex]
Answers
1. Resistance
2. Effort
3. Fulcrum
PLIERS
4. Effort
5. Fulcrum
6. Resistance
PULLEY
7. Fulcrum
8. Effort
9. Resistance
TONGS
10. Fulcrum
11. Effort
12. Resistance
SHARPENER
13. Effort
14. Fulcrum
15. Resistance
I hope these are the simple machines you are talking about because you didn’t but a picture or say which machines.
God Bless You! Hope you have a nice day!
How many atoms are there in 12 moles of sulfur
Answers
guys can you help me to fill in the missing blanks
Answers
Answer:
Silver NitratePotassium HydroxideAmmonium ChlorideCalcium CarbonateCopper NitrateAmmonium HydroxideAmmonium NitrateSodium Sulfatereally need help with this
Answers
This is a microscope.
Hope this clears that up for you.
327 mL of 3.2 M HCl can be diluted to make mL of 2 M HCI.
Answers
Answer:
204,375 mL.
Explanation:
327 mL - 3.2 M
x mL - 2 M
x= (2 M x 327 mL) /3.2 M
x= 204,375 mL.
The volume of a certain gas is 29.3 liters at STP. what would the volume of the same gas at 1.39 atmospheres and -23.0℃?
A. 23 L
B. 37.3 L
C. 19.3 L
D. 22.4 L
Answers
Option C) 19.3L is the correct answer.
Hence, the final volume of the gas at the standard atmospheres and temperature is 19.3L.
Given the data in the question;
Initial volume of gas; [tex]V_1 = 29.3L[/tex]At Standard temperature and pressure( STP)
Initial temperature; [tex]T_1 = 273.15K[/tex]Initial pressure; [tex]P_1 = 1.00atm[/tex]Then
Final pressure; [tex]P_2 = 1.39atm[/tex]Final temperature; [tex]T_2 = -23.0^0C = 250.15K[/tex]Final Volume; [tex]V_2 = \ ?[/tex]
Combined gas lawCombined gas law combines both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.
It is expressed as;
[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]
To determine the new volume of the gas, we substitute our values into the expression above.
[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\\\\P_1V_1T_2 = P_2V_2T_1\\\\1.00atm * 29.3L * 250.15K = 1.39atm * V_2 * 273.15K\\\\7329.395atm.L.K = 379.6785atm.K * V_2\\\\V_2 = \frac{7329.395atm.L.K}{379.6785atm.K} \\\\V_2 = 19.3L[/tex]
Option C) 19.3L is the correct answer.
Hence, the final volume of the gas at the standard atmospheres and temperature is
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The percentage of keys you type correctly is A. accuracy B. correctness C. exactness D. precision WHO EVER GETS THIS EARNS BRAINLIST!
Answers
What is the molarity of a solution in which 25g NaCl in a 2.00 L solution?
Answers
Mass of sodium :- 23 grams
Mass of Chlorine :- 35.5 grams
Mass of NaCl :- 58.5 grams
mass given :- 25 grams
moles :- 0.432 ( given mass/ ionic mass)
[tex]molarity = \frac{moles}{vol} \\ molarity = \frac{0.432}{2} \\ molarity = 0.216 \: mole{l}^{ - 1} or \: molar[/tex]
1. Illustrate and describe the sequence in which ten electrons occupy the five
orbitals related to an atom's d sublevel.
Answers
Define acid and base according to lewis theory, arrhenius theory and lawn theory
Answers
Answer:
Three principal theories about acid-base are,
1. Arrhenius theory
2. Bronsted-Lowry theory
3. Lux-Flood definition
4. Lewis theory
5. Usanovich definition
1. According to the Arrhenius, acids give up hydrogen ion in aqueous medium and a base give up hydroxyl ion in its aqueous medium. Examples are aqueous solution of HCl, CH3COOH, PhCOOH, and H2SO4. These give up H+ in an aqueous medium. Aqueous solutions of NaOH, Ca (OH)2 are Arrhenius bases.
Arrhenius theory has some limitations. This theory cannot explain the acidic nature of BF3 or basic behavior of NH3. This theory fails to give any explanation about acidity and basicity which does not produce H+ and OH- in their aqueous solutions.
2. According to the Bronsted-Lowry, an acid releases proton and a base accepts proton. NH3 accepts proton and forms ammonium ion, so ammonia acts as a base.
But this theory also has limitations. According to this theory acidic behavior of BF3 still cannot be explained.
3. Lux-Flood describes the acid-base theories based on oxide ion transformation. It gives clear explanation for acid-bases theories of non-protonic system. According to them, a base will donate the oxygen atom and an acid will accept oxygen atom.
4. According to the Lewis theory, acids are those substances which accept electron pair and base are those substances which donates electron pairs. Lewis theory can explain the acidic nature of BF3. In BF3, B is two electrons short to fulfil its octet. So it can accept a pair of electrons from an electron donating substituent. So it is an electron pair acceptor compound and acts as an acid.
Substances which have π electrons can donate electron pair to an electron deficient substance and acts as a base. Ethylene and acetylene is Lewis bases. AlCl3, PCl3 are Lewis acids.
5. According Usanovich, an acid is some chemical species which would react with bases and yields cations or accepts anions or electrons. A base is some chemical species which would react with acids, yield anions or electrons or combine with cations.
Explanation: