If you needed to heat up 250.0 grams of water from 20.0 °C to 55.0 °C to make coffee, how much energy would you use? a)17.6 kj
b)57.5kj
c)36.6 kj
d)20.9kj

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive