In the reaction 2 Na + 2 H20 yields 2 NaOH + H2, if 76 grams of sodium react with excess water, determine the % yield if 94 grams of NaOH are
actually produced?

How many joules of heat are absorbed to raise the temperature of 650 grams of water from 5.00c to it's boiling point, 100c

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?