Other Chemistry Answers

CH4+2H2O+heat <--> CO2+4H2


A test reaction is done starting with only methane and excess water in the autoclave. If the initial concentration of methane is 0.112 mol/L, and the methane concentration at equilibrium is 0.017 mol / L, then the equilibrium concentration of hydrogen is?

(two digit answer)

From the following dissociation question:

Al2(SO4)3 ----> 2Al^3 + 3SO4^2-


What will be the concentration of the CATION present if 25.5g aluminum sulfate is dissolved in 1.00L of water?

In a calorimeter made from Iron 38.2 grams of (iodine) I2 (s) was produced by the decomposition of (hydrogen iodide) HI (g) from the data below, calculate the molar enthalpy change of I2 (s) in this reaction.


Mass of (iodine) I2(s)-----38.2 g

Mass of iron calorimeter------70.0 g

the volume of H2O(L)--------100 mL

Initial temperature--------6.0 celsius

Final temperature-------23.8 celsius

calculate the molar enthalpy of the combustion of butane if 1.22 g of the fuel increased the temperature of a tin can calorimeter (22.5 g of tin and 200 mL of water) by 8.30 celsius

Apply Le Chatelier’s principle to predict whether, and in which direction, the following

established equilibrium would be shifted by the changes imposed:


2CO(g) + O2(g) <--> 2CO2(g) + heat energy


a) temperature is increased

b) vessel pressure is decreased

c) oxygen is removed

d) platinum catalyst is added

e) carbon monoxide is removed

The formula of a hydrate of an alkali metal carbonate may be determined by titration with standard hydrochloric acid. If 2.316g of a hydrate of sodium carbonate (Na2CO3●xH2O) is required to completely neutralize 38.49mL of hydrochloric acid (0.4198mol/L), determine the formula of the hydrate.

A teaspoon of milk of magnesia contains 12.0 mg of magnesium hydroxide. What volume of 0.010 mol/L HCl in a person's stomach would be neutralized by this teaspoon of antacid?

A teaspoon of milk of magnesia contains 12.0 mg of magnesium hydroxide. What volume of 0.010 mol/L HCl in a person's stomach would be neutralized by this teaspoon of antacid?

42.3mL of 0.285M hydrochloric acid wee used to titrate a sodium hydroxide solution having a concentration of 0.714M. What volume of base was needed?

if i have 4.56 x 10^21 atoms of silver, what is the mass of the silver?