10 ml of 0.04 m kbro3 and 10ml of 0.1m hcl is mixed with 10 ml of 0.01 m na2s2o3 1ml of starch solution is added and 10ml h2o what is the concentration of i- in this mixture expressed as molarity

Gymnast always perform on padded mats. how does the mats protect the gymnast

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .