Aresearcher studying the nutritional value of a new candy places a 3.10 g sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. the observed temperature increase is 2.63 degree c. if the heat capacity of the calorimeter is 44.60 kj⋅k^−1, how many nutritional calories are there per gram of the candy?

zfoods? ok, pressure is used to keep the heat inside and to keep the food perfect.

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

"you start with 15.67 g mgco3-xh2o, when heated and all the water is removed, you are left with 7.58 g mgco3 only.

therefore, you had 15.67 - 7.58 = 8.09g h2o  

moles of each :

7.58g mgco3 = ? moles = 7.58g / 83.4g/mole = 0.09moles  

8 09g h2o = ? moles = 8.09g / 18g/mole = 0.44moles  

molar ratio between the two by dividing both numbers by the smallest number :

0.09 / 0.09 = 1  

0.44 / 0.09 = 4.8  

mgco3-5h2o"

where are the choice options?