What is the mass of a substance that has a specific heat of 0.449 J/g°C and raises its temperature in a calorimeter from 20°C to 90°C when it releases 12,300 J of energy?

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring