*Urgent* A balloon has a volume of 352.0 L at a pressure of 3.6 atm. What is the volume of the balloon in
liters if the atmospheric pressure is changed to 67.4 atm?
Round answers to 0.1 decimals

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.

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Write a balanced equation showing the formation of copper (ii) nitrite from its elements