This equation shows the reaction that occurs when calcium carbonate decomposes. What type of reaction is it?
CaCO3 + energy
CaO + CO
OA. Synthesis
O B. Replacement
OC. Exothermic
OD. Endothermic

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

Draw the lewis dot structure for each of the following polyatomic ions

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules