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The density of a gas was determined to be 0.7655 g/L at a pressure of 0.4804 atm and a temperature of 17.44 °C. Determine the molecular weight of the gas.
the S for the system is predicted to be negative, so therefore the ?S for the surroundings must be positive to a greater extent so that the the net S for the universe is positive
if 35.0 ml of no2 gas is completely converted to n2o4 gas under the same conditions what volume will the n2o4
If the total mass of CO2 produced is 33.5 grams, what was the approximate mass of the methane in the original mixture?
How many grams of hydrogen gas are formed when 399.5 mL of 8.37 M HCl is used in the following reaction: Mg(s) + 2 HCl(aq) ? MgCl2(aq) + H2(g)
Show the electron configuration of phosphorus, P . Be sure to arrange the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
A (n) 8.54 - mol sample of carbon monoxide was stored in a 30.0-l container at 49.9 c . What is the pressure of the carbon monixide in the container.
A solution is made by adding 0.51 mol of lithium hydroxide (LiOH) in enough water to form 5 L of solution. Calculate the pH.
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization.
The mole fraction of nitrogen in a air is 0.78. If the total barometric pressure is 760 torr, what is the partial pressure of nitrogen
if 6.oog of nitrogen gas is introduced into an evacuated 2.00L flask at 28*C, what is the pressure inside the flask?
What is the atomic mass of Tc as it would appear in the periodic table. Do not enter units with your answer and use the correct number of significant figures.
Calculate the molecular weight of gas if 3.85 grams of it occupies 175 milliliters at 695 mmHg and 115 degree centigrade
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