6. The volume of a gas is reduced from 4L to 0.5 L while the temperature is held
constant. How does the gas pressure change?
A It increases by a factor of four.
OB It increases by a factor of eight.
C It decreases by a factor of eight.
D It increases by a factor of two.

Answer is B

What overall charge must all compounds have

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?