How much energy should be transferred when 38.2 g of liquid bromine reacts with excess hydrogen gas to form hydrogen bromide? Is the energy being transferred from the system to the surroundings or from the surroundings to the system?

How many grams of n2h4 will be consumed by 23 g of n2o4

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!