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Presume the top of your head has a surface area of 10 in by 10 in. Explain how many pounds of air are you carrying on your head if you are at sea level?
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M, [O2]eq = 4.1 M, [N2O]eq = 3.3 × 10-18 M.
Calculate the number of O2 molecules it would take to consume 596 molecules of CS2.
Oxygen is prepared by heating potassium chlorate with manganese dioxide as a catalyst. 2KClO(*3*)(S)?2KCl(S)+30(*2*)(g) How many grams of oxygen would be obtained from 1.500g of potassium chlorate
lactic acid hc3h5o3 is a monoprotic acid that dissociates in aqueous solution. if a solution containing 0.50 m lactic
Write a balance chemical reaction showing that Ru2+ disproportionates in aqueous acid. calculate standard potential and the Gibbs Free Energy for the reaction.
A tablet containing 500.0 mg of aspirin (acetylsalicylic acid or HC9H7O4) was dissolved in enough water to make 100 mL of solution. Given that Ka = 3.0 × 10-4 for aspirin, what is the pH of the solution
q1. which type of intermolecular attractive force operates between a. all molecules b. polar molecules c the hydrogen
Calculate the pH of the resultant mixtures: a. 10 ml of 0.2 M Ca(OH)2 + 25 ml of 0.1 M HCL b. 10 ml of 0.01 M H2SO4 + 10 ml of 0.01 M Ca(OH)2 c. 10 ml of 0.1 M H2SO4 + 10 ml of 0.1 M KOH
Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?
What is the Zn2+: Cu2+ concentration ratio in the following cell 25 degrees if the measured cell potential
Consider the reaction CH4(g) + X2(g) → CH3X(g) + HX(g) , where X is a halogen-like atom (Group 7A). Calculate ?H for this reaction if bond energy tables give the following values
if .750l of ar at 1.50 atm and 177c and .235l of so2 at 95kpa and 63c are added to a 1.00l flask and the flasks temp is
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