combined higher, quantitative chemistry, GCSE flashcards
What is the molar mass of carbon dioxide?
32 g/mol
Which of the following elements is least reactive?
Platinum
What is the molecular formula of butane?
C4H8
What is the oxidation number of oxygen in water?
-2
Which of the following is an example of an exothermic reaction?
Combustion
What is the full electron configuration of nitrogen?
1s2 2s2 2p3
Which of the following is an example of a gas-liquid solution?
Soda water
What is the correct formula for magnesium sulfate heptahydrate?
MgSO4·7H2O
Which of the following is an exothermic change of state?
Freezing
What is the ideal gas equation?
PV = nRT