Question

1.
What would be a more appropriate name for 1 methyl butane? 2. A gas
occupies 600 ml at 0.75 atm pressure. What will be its volume, at
constant temperature, if the pressure is changed to 760 mm Hg? 3.
In Propane what is the structural geometry around each Carbon atom?
4. Give two reasons for the diversity of organic compounds. 5. How
many moles of NH3 gas are present in a 1.00L flask at STP? 6.
Identify the following properties as more typical of organic or
inorganic compounds: (a) contains Na (b) gas at room temperature
(c) covalent bonds (d) ions in water 7. At 37*C and .75 atm
pressure , what will be the volume of 46gms of Ne? 8. What volume
will a mixture of 6.00 mol of H, and 0..75 mol of CO2 occupy at
STP? 9. Why does 1,2-dibromo ethene have cis-trans isomers but 1,2
dibromoethane does not? 0.134gms of a gas occupies 25ml at STP.
Determine the Molar Mass. 10. 11. Draw the expanded structural
formula for 2-methylhexane. 12. Given 6.00OL of gas at -25*C, what
volume will the gas occupy at 0*C? Assume constant pressure. 13.
What are alkenes? 14. How many grams of CO2 are present in 3000 ml
of CO2 at STP? 15. What are isomers? 16. Compare the volumes of 28
grams of Nitrogen and 64 grams of Oxygen at STP. 17. Draw the
structure for the simplest alkyne. 18. Draw the possible isomers
for C4H10 19. Calculate the density of Ne at STP. 20. Given the
equation: 4NH3+ 502 → 4NO + 6H2O how many liters of NH3 are
required to produce 10.0 moles of NO? Assume STP.

Answer #1

1/ A sample of xenon gas that occupies a volume
of 42.7 L at a temperature of 0 °C and a pressure
of 1 atm contains (......) moles of gas.
2/ A sample of nitrogen gas collected at STP
occupies a volume of 13.4 L. How many moles of gas
does the sample contain? (.......) mol
3/ What volume is occupied by a 0.920 mol
sample of carbon dioxide gas at a temperature of 0
°C and a pressure of...

If 35.5 moles of an ideal gas occupies 53.5 liters at 411 K,
what is the pressure of the gas?
If 54.5 mol of an ideal gas is at 1.29 atm and 337 K, what is
the volume of the gas?

1. A sample of gas occupies 5.27 L at a pressure of 2.63 atm.
Determine the new pressure (in atm) of the sample when the volume
changes to 4.56 L at constant temperature.
2. Determine the temperature (in °C) of a 4.77-mol sample of
CO2 gas at 6.11 atm in a container with a volume of 47.2
L.
3. Convert the pressure measurement of 2395 mmHg into units of
atmospheres.
4. A latex balloon has a volume of 87.0 L...

1.A helium-filled weather balloon has a volume of
811 L at 23 °C and
750 mm Hg. It is released and rises to an altitude
of 8.69 km, where the pressure is
281 mm Hg and the temperature is
-34 °C. The volume of the balloon at this altitude
is ______ L.
2.
A sample of hydrogen gas occupies a volume of
9.89 L at 44 °C and
0.944 atm.
If it is desired to decrease the volume of the...

A) a 14.0 g sample of N2 gas occupies what volume at 0 °C?
B) which gas is most dense at 2 atm and 400 K? F2, N2, Ne, or
O2?
C) Which gas has the greatest average molecular speed at 298 K?
CH4, CO2, N2, or Xe?
D) what volume of oxygen gas, measured at 27°C and 0.987 atm is
produced from the decomposition of 67.5g of HgO?

An ideal gas sample with 7.20atm pressure occupies 250ml volume at
18C .what volume would it occupy at 1.50atm and 216C? answer
Convert( L )
please show all work calculations
and formula:)

1. What is the molar mass of a gas if 0.252 g of the gas
occupies a volume of 125 mL at a temperature of 123°C and a
pressure of 778 torr?
2. A mixture of 0.229 g of H2, 1.08 g of
N2, and 0.836 g of Ar is stored in a closed container at
STP. Find the volume (in L) of the container, assuming that the
gases exhibit ideal behavior.

1- A gas mixture is made by combining 6.9 g each of Ar, Ne, and
an unknown diatomic gas. At STP, the mixture occupies a volume of
15.60 L.
2- 1.85 g of an unknown gas at 21 °C and 1.10 atm is stored in a
1.65-L flask.
-What is the density of the gas?
-What is the molar mass of the gas?
3- An open flask sitting in a lab fridge looks empty, but we
know that actually it...

A weather balloon contains 222 L of He gas at 20. °C and 760.
mmHg. What is the volume of the balloon when it ascends to an
altitude where the temperature is -40. °C and 540. mmHg?
1
What volume does 12.5 g of Ar gas at a pressure of 1.05 atm and
a temperature of 322 K occupy? Would the volume be different if the
sample were 12.5 g of He gas under the same conditions?
How many moles...

Butane, C4H10, is a component of natural gas that is used as
fuel for cigarette lighters. The balanced equation of the complete
combustion of butane is 2C4H10(g)+13O2(g)→8CO2(g)+10H2O(l) At 1.00
atm and 23 ∘C, what is the volume of carbon dioxide formed by the
combustion of 2.80 g of butane? what is the volume of CO2?The ideal
gas law
PV=nRT
relates pressure P, volume V, temperature
T, and number of moles of a gas, n. The gas
constant R equals 0.08206...

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