Laser_3

What is the density of SF6(g) at 27C and 0.500 atm pressure?(R = 0.08206 L atm/K mol)

What is the density of SF6(g) at 27C and 0.500 atm pressure?(R = 0.08206 L atm/K mol)

What is the density of SF6(g) at 27°C and 0.500 atm pressure?(R = 0.08206 L • atm/K • mol)

▸ 3.38 × 10–3 g/L

▸ 2.97 g/L

▸ 22.4 g/L

▸ 32.9 g/L

▸ 3.38 kg/L

Melly767   6   1 Reply

rick32

What is the density of CO2(g) at 100.C and 10.0 atm pressure?(R = 0.08206 L atm/K mol)

What is the density of CO2(g) at 100.C and 10.0 atm pressure?(R = 0.08206 L atm/K mol)

What is the density of CO2(g) at 100.°C and 10.0 atm pressure?(R = 0.08206 L • atm/K • mol)

▸ 1.44 g/L

▸ 134 g/L

▸ 44.0 g/L

▸ 53.6 g/L

▸ 14.4 g/L

mitch44   4   1 Reply

jamiecro

What is the density of carbon dioxide gas at 25.2C and 98.0 kPa? ( R = 0.08206 L atm/K mol, 1 atm ...

What is the density of carbon dioxide gas at 25.2C and 98.0 kPa? ( R = 0.08206 L atm/K mol, 1 atm ...

What is the density of carbon dioxide gas at –25.2°C and 98.0 kPa? ( R = 0.08206 L • atm/K • mol, 1 atm = 101,325 Pa)

▸ 0.232 g/L

▸ 0.279 g/L

▸ 0.994 g/L

▸ 1.74 g/L

▸ 2.09 g/L

drw92   1   1 Reply

durandal

What is the density of Ar(g) at 11C and 675 mmHg?(R = 0.08206 L atm/K mol, 1 atm = 760 mmHg)

What is the density of Ar(g) at 11C and 675 mmHg?(R = 0.08206 L atm/K mol, 1 atm = 760 mmHg)

What is the density of Ar(g) at –11°C and 675 mmHg?(R = 0.08206 L • atm/K • mol, 1 atm = 760 mmHg)

▸ 1.52 g/L

▸ 1.65 g/L

▸ –39.3 g/L

▸ 40.0 g/L

▸ 1.25 kg/L

lythong266   1   1 Reply

apina

What are the units of the constant b in the van der Waals equation?

What are the units of the constant b in the van der Waals equation?

What are the units of the constant b in the van der Waals equation?

▸ L/mol

▸ L

▸ L • atm/K • mol

▸ L2• atm/mol2

zitze   1   1 Reply

rainbow12

What are the units of the constant a in the van der Waals equation?

What are the units of the constant a in the van der Waals equation?

What are the units of the constant a in the van der Waals equation?

▸ L/mol

▸ atm

▸ L • atm/K • mol

▸ L2• atm/mol2

JadeDeLair   1   1 Reply

Hollywood1971

What are the conditions of STP?

What are the conditions of STP?

What are the conditions of STP?

▸ 0 K and 1 atm

▸ 273.15 K and 760 torr

▸ 0°C and 760 atm

▸ 273.15°C and 760 torr

▸ 0°C and 1 torr

mylesnagop   1   1 Reply

shalasha

The temperature of the carbon dioxide atmosphere near the surface of Venus is 475C. Calculate the ...

The temperature of the carbon dioxide atmosphere near the surface of Venus is 475C. Calculate the ...

[html]The temperature of the carbon dioxide atmosphere near the surface of Venus is 475°C. Calculate the average kinetic energy per mole of carbon dioxide molecules on Venus.

▸ 2520 J/mol

▸ 4150 J/mol

▸ 5920 J/mol

▸ 9330 J/mol

▸ 5920 kJ/mol[/htm

daogrady   0   1 Reply

isababycookie

The pressure of sulfur dioxide in a container is 159 kPa. What is this pressure in atmospheres? (1 ...

The pressure of sulfur dioxide in a container is 159 kPa. What is this pressure in atmospheres? (1 ...

The pressure of sulfur dioxide in a container is 159 kPa. What is this pressure in atmospheres? (1 atm = 101,325 Pa = 760 torr)?

▸ 0.209 atm

▸ 0.637 atm

▸ 1.57 atm

▸ 21.2 atm

▸ 1.59 ×104 atm

wasala18   1   1 Reply

Kmc14

The pressure of hydrogen sulfide gas in a container is 3.565 104 Pa. What is this pressure in torr? ...

The pressure of hydrogen sulfide gas in a container is 3.565 104 Pa. What is this pressure in torr? ...

The pressure of hydrogen sulfide gas in a container is 3.565 ×104 Pa. What is this pressure in torr? (1 atm = 101,325 Pa = 760 torr)?

▸ 46.91 torr

▸ 267.4 torr

▸ 351.8 torr

▸ 3612 torr

▸ 2.709 ×104 torr

marmech12   0   1 Reply

bolusmachine

The molecules of different samples of an ideal gas have the same average kinetic energies at the ...

The molecules of different samples of an ideal gas have the same average kinetic energies at the ...

The molecules of different samples of an ideal gas have the same average kinetic energies at the same ________.

▸ pressure

▸ temperature

▸ volume

▸ density

wallyboy   0   1 Reply

naderaide

The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and ...

The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and ...

[html]The mole fraction of oxygen molecules in dry air is 0.2095. What volume of dry air at 1.00 atm and 25°C is required for burning completely 1.00 L of octane (C8H18, density = 0.7025 g/mL), yielding carbon dioxide and wat

saratoga 22   0   1 Reply

jewelzzP

The catalytic decomposition of hydrogen peroxide yields oxygen gas and water. In an experiment, ...

The catalytic decomposition of hydrogen peroxide yields oxygen gas and water. In an experiment, ...

[html]The catalytic decomposition of hydrogen peroxide yields oxygen gas and water. In an experiment, decomposition of hydrogen peroxide yielded 75.3 mL of gas collected over water at 25°C and 742 torr. What mass of oxygen gas was collected?

JSmith1   0   1 Reply

channy40

The air pressure in a volleyball is 75 psi. What is this pressure in torr? (1 atm = 14.7 psi = ...

The air pressure in a volleyball is 75 psi. What is this pressure in torr? (1 atm = 14.7 psi = ...

The air pressure in a volleyball is 75 psi. What is this pressure in torr? (1 atm = 14.7 psi = 101,325 Pa = 760 torr)?

▸ 520 torr

▸ 562 torr

▸ 3900 torr

▸ 7600 torr

▸ 75,000 torr

katieleex0x   0   1 Reply

daoneandonly300

Suppose a sample of gas is composed of 100 molecules, with speeds given below.Speed ...

Suppose a sample of gas is composed of 100 molecules, with speeds given below.Speed ...

[html]Suppose a sample of gas is composed of 100 molecules, with speeds given below.Speed (

becky28   0   1 Reply

Deeclaire

Select the gas with the largest root-mean-square molecular speed at 25C.

Select the gas with the largest root-mean-square molecular speed at 25C.

Select the gas with the largest root-mean-square molecular speed at 25°C.

▸ NH3

▸ CO

▸ H2

▸ SF6

▸ All the gases have the same root-mean-square molecular speed at 25°C.

steveberrings   0   1 Reply

david200095367

Select the gas with the highest average kinetic energy per mole at 298 K.

Select the gas with the highest average kinetic energy per mole at 298 K.

Select the gas with the highest average kinetic energy per mole at 298 K.

▸ O2

▸ CO2

▸ H2O

▸ H2

▸ All of these have the same average kinetic energy.

duo21   0   1 Reply

Codybarnes

Nitrogen will behave most like an ideal gas

Nitrogen will behave most like an ideal gas

[html]Nitrogen will behave most like an ideal gas

▸ at high temperature and high pressure.

▸ at high temperature and low pressure.

▸ at low temperature and high pressure.

▸ at low temperature and low pressure.

▸ at intermediate (moderate)

unrendezvous   0   1 Reply

malgrextout

Magnesium metal (0.100 mol) and hydrochloric acid (0.500 mol HCl) are combined and react to ...

Magnesium metal (0.100 mol) and hydrochloric acid (0.500 mol HCl) are combined and react to ...

[html]Magnesium metal (0.100 mol) and hydrochloric acid (0.500 mol HCl) are combined and react to completion. What volume of hydrogen gas, measured at STP, is produced?Mg(s) + 2HCl(aq) → MgCl2(aq) + H2

tmason   0   1 Reply

cskeen80

In the van der Waals equation, the constant b is a constant that is part of a correction factor for

In the van der Waals equation, the constant b is a constant that is part of a correction factor for

In the van der Waals equation, the constant b is a constant that is part of a correction factor for

▸ the volume of the gas.

▸ the temperature of the gas.

▸ the pressure of the gas.

▸ the ideal gas constant.

bennick   0   1 Reply

GlitterBug11

In the van der Waals equation, the constant a is a constant that is part of a correction factor for

In the van der Waals equation, the constant a is a constant that is part of a correction factor for

In the van der Waals equation, the constant a is a constant that is part of a correction factor for

▸ the volume of the gas.

▸ the temperature of the gas.

▸ the pressure of the gas.

▸ the ideal gas constant.

apple321   0   1 Reply

aliwchamoun

If the atmospheric pressure in Denver is 0.8800 atm, what is this pressure expressed in mmHg? (1 atm ...

If the atmospheric pressure in Denver is 0.8800 atm, what is this pressure expressed in mmHg? (1 atm ...

[html]If the atmospheric pressure in Denver is 0.8800 atm, what is this pressure expressed in mmHg? (1 atm = 101,325 Pa = 760 torr, 1 torr = 1 mmHg)?

▸ 151.5 mmHg

▸ 1.16 × 10–3 mmHg

▸ 863.6 mmHg

▸ 8.92 × 104 mmHg

ellie425   0   1 Reply

Marinaanderson0

If equal masses of O2( g) and HBr( g) are in separate containers of equal volume and temperature, ...

If equal masses of O2( g) and HBr( g) are in separate containers of equal volume and temperature, ...

[html]If equal masses of O2( g) and HBr( g) are in separate containers of equal volume and temperature, which one of the following statements is true?

▸ The pressure in the O2 container is less than that in the HBr

edelynpl   0   1 Reply

latoya86

If a fixed amount of a gas is at a pressure of 2.71 atm and has a volume of 85.3 L at a temperature ...

If a fixed amount of a gas is at a pressure of 2.71 atm and has a volume of 85.3 L at a temperature ...

[html]If a fixed amount of a gas is at a pressure of 2.71 atm and has a volume of 85.3 L at a temperature of 173.4 K, what is the final temperature of the gas if the pressure changes to 1.04 atm in a 105.3 L container?

▸ 49.8 K

▸ 75.9 K

▸ 366.0 K

misserz0210   0   1 Reply

johnmilton

If 25.5 L of oxygen are cooled from 150C to 50C at constant pressure, what is the new volume of oxygen?

If 25.5 L of oxygen are cooled from 150C to 50C at constant pressure, what is the new volume of oxygen?

If 25.5 L of oxygen are cooled from 150°C to 50°C at constant pressure, what is the new volume of oxygen?

▸ 0.0514 L

▸ 19.5 L

▸ 33.4 L

▸ 0.03 L

▸ 3.5 L

FallenOne   1   1 Reply

twogat123

If 2.38 mol of a gas has a volume of 120.0 mL, what is the volume of 1.97 mol of the gas at the same ...

If 2.38 mol of a gas has a volume of 120.0 mL, what is the volume of 1.97 mol of the gas at the same ...

If 2.38 mol of a gas has a volume of 120.0 mL, what is the volume of 1.97 mol of the gas at the same temperature and pressure?

▸ 25.6 mL

▸ 99.3 mL

▸ 119 mL

▸ 145 mL

▸ 563 mL

anthonyaooo   0   1 Reply

ssong07

If 2.3 mol of a gas occupies 50.5 mL, how many moles of the gas will occupy 85.5 mL at the same ...

If 2.3 mol of a gas occupies 50.5 mL, how many moles of the gas will occupy 85.5 mL at the same ...

If 2.3 mol of a gas occupies 50.5 mL, how many moles of the gas will occupy 85.5 mL at the same temperature and pressure?

▸ 1.4 mol

▸ 0.59 mol

▸ 3.9 mol

▸ 0.26 mol

▸ 2.3 mol

anthonyaooo   0   1 Reply

naj2008h

How many molecules of N2 gas are present in a 2.5-L flask at 50C and 650 mmHg? (R = 0.08206 L atm/K ...

How many molecules of N2 gas are present in a 2.5-L flask at 50C and 650 mmHg? (R = 0.08206 L atm/K ...

[html]How many molecules of N2 gas are present in a 2.5-L flask at 50°C and 650 mmHg? (R = 0.08206 L • atm/K • mol, 1 atm = 760 mmHg, 1 mole = 6.022 × 1023 molecules)

▸ 2.1 × 10–23 molecules

mlee52381   0   1 Reply

Kocojda

Gases are sold in large cylinders for laboratory use. What pressure is exerted by 2.500 kg of oxygen ...

Gases are sold in large cylinders for laboratory use. What pressure is exerted by 2.500 kg of oxygen ...

[html]Gases are sold in large cylinders for laboratory use. What pressure is exerted by 2.500 kg of oxygen gas (O2) stored at 22°C in a 40.0-L cylinder?(R = 0.08206 L • atm/K • mol)

▸ 3.55 atm

▸ 1.51 ×103

annyan   0   1 Reply

dmahr

Freon-12, CF2Cl2, which has been widely used in air conditioning systems, is considered a threat to ...

Freon-12, CF2Cl2, which has been widely used in air conditioning systems, is considered a threat to ...

[html]Freon-12, CF2Cl2, which has been widely used in air conditioning systems, is considered a threat to the ozone layer in the stratosphere. Calculate the root-mean-square velocity of Freon-12 molecules in the lower stratos

inkster   0   1 Reply

julie5

For a substance that remains a gas under the conditions listed, deviation from the ideal gas law ...

For a substance that remains a gas under the conditions listed, deviation from the ideal gas law ...

For a substance that remains a gas under the conditions listed, deviation from the ideal gas law would be most pronounced at

▸ 100°C and 2.0 atm.

▸ 0°C and 2.0 atm.

▸ –100°C and 2.0 atm.

▸ –100°C and 4.0 atm.

▸ 100°C and 4.0 atm.

lcard044   0   1 Reply

nguyenphuc1990

Deviations from the ideal gas law are greater at

Deviations from the ideal gas law are greater at

Deviations from the ideal gas law are greater at

▸ low temperatures and low pressures.

▸ low temperatures and high pressures.

▸ high temperatures and high pressures.

▸ high temperatures and low pressures.

adnan_buljic   0   1 Reply

sz

Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95C and ...

Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95C and ...

[html]Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95°C  and 1000 mmHg ( R = 0.08206 L • atm/K • mol, 1 atm = 760 mmHg).

▸ 0.19 g/mol

▸ 35.3 g/mol

▸ 70.9 g/mol

▸ 137 g/mol

▸ 384 g/mo

Student06   0   1 Reply

snowcat012

Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCl ...

Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCl ...

[html]Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCl solution reacts with 50.0 g Zn(s) to give hydrogen gas and aqueous zinc chloride.(R = 0.08206 L • atm/K

melisooflyy   0   1 Reply

johnmilton

Calculate the root-mean-square speed of methane, CH4(g), at 78C.

Calculate the root-mean-square speed of methane, CH4(g), at 78C.

Calculate the root-mean-square speed of methane, CH4(g), at 78°C.

▸ 23 m/s

▸ 350 m/s

▸ 550 m/s

▸ 667 m/s

▸ 739 m/s

tw1gg   0   1 Reply

kinnigit

At what temperature is the root mean square speed of helium gas equal to that of oxygen gas at 300. K?

At what temperature is the root mean square speed of helium gas equal to that of oxygen gas at 300. K?

At what temperature is the root mean square speed of helium gas equal to that of oxygen gas at 300. K?

▸ 37.5 K

▸ 75 K

▸ 106 K

▸ 292 K

▸ 2400. K

mariasmakatof   0   1 Reply

flash33101

At very high pressures (~1000 atm), the measured pressure exerted by real gases is greater than that ...

At very high pressures (~1000 atm), the measured pressure exerted by real gases is greater than that ...

[html]At very high pressures (~1000 atm), the measured pressure exerted by real gases is greater than that predicted by the ideal gas equation. This is mainly because

▸ such high pressures cannot be accurately measured.

▸ real gases will con

thallium81   0   1 Reply

kitty123

Assuming ideal behavior, what is the density of argon gas at STP?(R = 0.08206 L atm/K mol)

Assuming ideal behavior, what is the density of argon gas at STP?(R = 0.08206 L atm/K mol)

Assuming ideal behavior, what is the density of argon gas at STP?(R = 0.08206 L • atm/K • mol)

▸ 0.0176 g/L

▸ 0.0250 g/L

▸ 0.0561 g/L

▸ 1.78 g/L

▸ 181 g/L

mombefor78   0   1 Reply

romeo_izzy13

Arrange the following gases in order of increasing rate of effusion: C2H6, Ar, HCl, and PH3.

Arrange the following gases in order of increasing rate of effusion: C2H6, Ar, HCl, and PH3.

[html]Arrange the following gases in order of increasing rate of effusion: C2H6, Ar, HCl, and PH3.

▸ Ar < HCl

Cell6   0   1 Reply

shichihenge7

A spacecraft is filled with 0.500 atm of N2 and 0.500 atm of O2. Suppose an object strikes this ...

A spacecraft is filled with 0.500 atm of N2 and 0.500 atm of O2. Suppose an object strikes this ...

[html]A spacecraft is filled with 0.500 atm of N2 and 0.500 atm of O2. Suppose an object strikes this spacecraft and puts a very small hole in its side. Under these circumstances,

▸ O2 is lost from the craf

punkybrewster   0   1 Reply

frithne