Is a candle smelling like a pine tree is that a chemical change chemical property physical change or physical property?

A gas is enclosed in a cylinder fitted with a piston. The volume of the gas is 2.00 L at 0.524 atm. The piston is moved to increase the gas pressure to 5.15 atm.

A sodium nitrate solution is 21.5% (by mass) of nano3 (molar mass = 85.00 g/mol) and the solution has a density of 1.08 g/ml. calculate the molarity (m) of the solution.

What has greater gravitational potential energy - a book lifted 1 meter off the ground or the same book lifted 10 meters off the ground? Why?

Why does the temperature of water affect the dissolving of sugar

how many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 295 K and the pressure is 0.850 atm?

1. Sara tells Michael she is 160 centimeters tall, while Michael says he is 60 inches tall. If there are 2.54 centimeters in an inch, who is taller

How do you tell if a compound is polar or non polar

What two ions are central to the arrhenius definitions of acids and bases?

Question 1 A process in which suthetances chemically rearrange to form new substances o Molecule Energy o Organism O Chemical reaction O Matter O Cellular respiration

What are the uses of evaporative salts?