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Problem- When 9.81 g of neon is combined in a 100 L container at 80oC with 10.62 g of argon, what is the mole fraction of argon?
What is the coefficient for nitrogen in the formation reaction for ammonia?
Write solution with complete explanation of required steps
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. The Ka for the conjugate weak acid of CH3CHOO- is 1.8 x 10^-5. Calculate the pH for this solution at equilibrium.
How many moles of HNO3 are present in 35.0 mL of a 4.50 M solution of nitric acid?
Use the tabulated half-cell potentials to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C. Pb2+(aq) + Cu(s) ? Pb(s) + Cu2+(aq)
Calculate the pH at each of the following points in the titration of 50 mL of 0.2000M acetic acid using 0.222M NaOH. Ka= 1.8 x 10^-5 (show work)
Determine the total number of valence electrons in each of the following: a) COCl2; b) N2O; c) ClO2^-; d) SeCl2; e) PBr3
HCl according to the following chemical equation? MnO2+4(HCl) --> MnCl2 + Cl2 + 2(H2O)
The ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas utilizing air as your source of nitrogen gas, explain what volume of air is needed if the air is introduced at 25°C as well as 740 mmHg
In a candy factory, nutty chocolate bars contain 22.0% by mass pecans. If 5.1kg of pecans were used for candy last Tuesday, how many pounds of nutty chocolate bars were made?
if the specific heat of water is 4.18 jg x celsius for a mass of 125 g of water which increased in temperature by .121
A mixture of hases contains 0.330 mol CH4, 0.230 mol C2H6 and 0.270 mol C3H8. The total pressure is 1.55 atm. Compute the partial pressures of the gases.
Would a buffer containing HF and F- in appreciable quantity be expected to have a pH of around 3,5,7 or 9? Justify your answer.
How would the following changes affect the rate of the reaction with 1-bromobutane with NaI: doubling the concentration of 1-bromobutane. Doubling the concentration of NaI
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