Chemistry

Chemistry, 11.07.2019 00:30, stella013108

6. what is the pressure of 0.60 moles of a gas if its volume is 10.0 liters at 35.0°c?

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Chemistry, 26.06.2019 16:00, xarianna2007

1. an unknown amount of mercury (ii) oxide was decomposed in the lab. mercury metal was formed and 4.50 l of oxygen gas was released at a pressure of 0.970 atm and 390.0 k. what was the initial weight of mercury oxide in the sample? a.) 27.3 grams b.) 38.3 grams c.) 46.2 grams d.) 60.6 grams 2. read the chemical equation. mg + hcl → mgcl2 + h2 how many liters of hydrogen gas is produced at 298 k and 0.960 atm if 3.00 moles of hydrochloric acid react with an excess of magnesium metal? a.) 38.2 liters b.) 42.6 liters c.) 66.7 liters d.) 76.4 liters 3. the pressure and temperature of a gas are held constant. which of the following is true for the volume of the gas? a.) it is inversely proportional to the number of moles of the gas. b.) it is directly proportional to the number of moles of the gas. c.) it is equal to the number of moles of the gas. d.) it is half of the number of moles of the gas.

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Chemistry, 03.07.2019 23:00, wolfsaway

An inflatable toy starts with 1.05 moles of air and a volume of 5.17 liters. when fully inflated, the volume is 8.00 liters. if the pressure and temperature inside the toy don’t change, how many moles of air does the toy now contain?

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Chemistry, 31.07.2019 03:00, CeddHendrix

If you don't reply with an actual answer i will report it and you will be reported and itll give me back my points 1.if i have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature? 2.if i have an unknown quantity of gas at a pressure of 121.6 kpa, a volume of 31 liters, and a temperature of 87 0c, how many moles of gas do i have? 3.if i contain 3 moles of gas in a container with a volume of 60 liters and at a temperature of 400 k, what is the pressure inside the container? 4.if i have 7.7 moles of gas at a pressure of 0.09 atm and at a temperature of 56 0c, what is the volume of the container that the gas is in? 5.if i have 17 moles of gas at a temperature of 67 0c, and a volume of 88.89 liters, what is the pressure of the gas? use dalton’s law of partial pressures and grahams law of effusion to solve the following problems: 6.at a certain temperature, molecules of methane gas, ch4 have an average velocity of 0.098 m/s. what is the average velocity of carbon dioxide molecules at this same temperature? 7.7.) find the relative rate of diffusion for the gases chlorine, cl2 and ethane, c2h6. 8.495 cm3 of oxygen gas and 877 cm3 of nitrogen gas, both at 25.0 °c and 114.7 kpa, are injected into an evacuated 536 cm3 flask. find the total pressure in the flask, assuming the temperature remains constant.

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Chemistry, 05.10.2019 19:40, jacquelinegonz

If i have an unknown quantity of gas at a pressure of 50.65 kpa, a volume of 25 liters, and a temperature of 300 k, how many moles of gas do i have? if i have 21 moles of gas held at a pressure of 7901kpa and a temperature of 900 k, what is the volume of the gas? if i have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas? if i have 2.4 moles of gas held at a temperature of 97 0c and in a container with a volume of 45 liters, what is the pressure of the gas? if i have an unknown quantity of gas held at a temperature of 1195 k in a container with a volume of 25 liters and a pressure of 560 atm, how many moles of gas do i have? if i have 0.275 moles of gas at a temperature of 75 k and a pressure of 177.3 kpa, what is the volume of the gas? if i have 72 liters of gas held at a pressure of 344.4kpa and a temperature of 225 k, how many moles of gas do i have?

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6. what is the pressure of 0.60 moles of a gas if its volume is 10.0 liters at 35.0°c?...

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