A 1.0 gram sample of a candy bar was placed in a bomb calori…

A 1.0 gram sample of a candy bar was placed in a bomb calorimeter with a heat capacity of 3.54 kcal/°C. The sample was completely burned, causing the temperature of the calorimeter to rise by 1.36 °C.   How many kilocalories of energy were stored in the candy bar?    Make sure to show all your work- No work = no credit

A chemist carries out this reaction in the laboratory, using…

A chemist carries out this reaction in the laboratory, using grams of zinc and an excess of sulfur:  She isolated g of ZnS. Zn + S –> ZnS   Using the balanced equation, calculate the percent yield the chemist retrieved from the reaction.   What is her percent yield for this reaction?   percent yield= (actual yield)/(theo yield) *100%

A chemist conducts a calorimetry experiment on an unknown me…

A chemist conducts a calorimetry experiment on an unknown metal. The mass of the metal is 24.4 g. The chemist heats the metal to 100 °C, then places it in a coffee-cup calorimeter containing 108.5 g of water.  The temperature of the water rises from 21.3 to 25.0 °C.   Useful equations: Cm= [mwCw(