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Consider 1 mole each of gaseous He and N2 at the same temperature and pressure. The diameter of N2 is 1.7 times that of He. State which gas (if any) has the greater value for: a) <c>; b) crms; c) average translational energy <E> ; d) Z1; e) Z11; f) density; g) mean free path A(alpha)
consider the decomposition of liquid benzene to gaseous acetylene according to the following reaction C6H6=3C2H2 what is the delta H for the formation of 1 mole of acetylene?
An effective treatment for some cancerous tumors involve irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.3 x 10^7 m/s
how many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3+6NO-- 5N2+6H2O
the actual yield of a reactant is 22 g and the theoreticaal yield is 25 g calculate the percentage yield
Carbon dioxide and water form during combustion of propane. How many grams of water vapor form when 5.39 g of propane react
V = 4.55 mL at 147 atm. What is the pressure if the volume changes to 10.0 mL?
A solution has a volume of 2.0 L and contains 36.0 g of glucose. If the molar mass of glucose is 180g/mol, what is the molarity of the solution? Answer must be expressed in dimension analysis.
How many grams of water are needed to react with 75.0 g CaCN2?
Briefly explain why caffeine will prefer the methylene chloride solvent to the water solvent? draw the structure for all 3 compounds?
High temperature and low pressure low temperature and high pressure none of the above unless a catalyst is present If it's endothermic, it's high temp and low pressure, but does having an exothermic reaction change that?
Calculate the pH of the buffer if 2.0 mL of 0.0125 M HCl is added to the buffer prepared in question 3. What is the % change in the pH of the buffer?
How much heat is required to warm 1.40 kilograms of sand from 24.0 degrees Celsius to 100.0 degrees Celsius?
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