14 When 117.5 J of energy is lost from a 0.25kg object, the temperature decreases from 42°C
to 40°C. What is the specific heat of this
object?
Korea
0.004 kg
kovoce
58.75 kg"
H
F
235 kg.°c
kovo
Karco
J
940 kg•°C

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Adilute aqueous potassium nitrate solution is