When 13.0 g of acetylene, C2H2, undergoes complete combustion, 65.5 kJ of heat are released. a) How much energy is released when one mole of acetylene is burned?

b) Write a balanced chemical equation for the reaction and include the heat value in the equation.

answer; i do believe the correct answer is (river); /// good luck

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6

2b2t

explanation:

2b2t