1. what coefficient would go in front of co₂ to balance this equation?

2. what kind of reaction is being represented?

3. what kind of reaction is being represented?

4. what kind of reaction is being represented?

5. what kind of reaction is being represented?

1.) 6HNCO > C3N3(NH2)3 + 3CO2. 2.) Decomposition reaction bcoz 1 reactant forms more than 1 product. 3.) Single replacement reaction bcoz B is replaced by C. 4.) Combination reaction bcoz A and B combines to form 1 product. 5.) Double replacement reaction bcoz C is replace by B and B is replaced by C.

Density= mass/volume so 5.1 divided by 4.7 is  5.1 / 4.7 =1.08510638298round to the correct number of sig figs