Balance the following:
c₃h8+ o2 —> co₂ + h₂o

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes