How do you know baking cookies is a chemical change? (select as many true as
possible)

A)Because the substance stays the same

B)Because you can't go back to the original
substance

C)Because a new substance is formed

How many moles of ccl4 are in 3.55l

What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)