Balance the equation and indicate whether it is a synthesis reaction, a decomposition reaction, a single-displacement reaction, a double-replacement reaction, or a combustion reaction.
KCN(aq)+H2SO4(aq) - K2SO4(aq)+HCN(g)

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

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?