Please help!!!!The combustion of 14 grams of CO according to the reaction CO(g) + ½O2(g) CO2(g) + 67.6 kcal gives off how much heat?

Remember to use significant digit rules.

6,716 kcal
1,514 kcal
34 kcal
135 kcal
none of the above

Question

Please help!!!!The combustion of 14 grams of CO according to the reaction CO(g) + ½O2(g)  CO2(g) + 67.6 kcal gives off how much heat?

Remember to use significant digit rules.

6,716 kcal
1,514 kcal
34 kcal
135 kcal
none of the above

vocaloid · Answer

the reaction tells us that one mole of CO produces 67.6 kcal of heat

convert 14 g of CO to moles and multiply by 67.6 to find the amount of heat produced by 14g of CO burned