6. write a balanced equation for each reaction. you must change each word equation into a chemical equation with actual formulas of the substances. include the physical states of all substances in the reactions:
(a) combustion reaction of butane (c4h10) that produces carbon monoxide and steam.

(b) reaction of ammonium phosphate solution with potassium hydroxide solution yields potassium phosphate solution + water + ammonia gas

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

the answer would be b i believe

c. 4.54 x 10–12 j happens to be correct