IB Chemistry Topic 1 - Quantitative Chemistry

Question 1

What volume of hydrogen would react with 6 dm3 of nitrogen?

Accepted Answer

18 dm3

Question 2

If you end up with 3 hot dogs, what is the percent yield of this hypothetical reaction.

Accepted Answer

75%

Question 3

What name is given to the change of state from solid to gas?

Accepted Answer

Sublimation

Question 4

Matter is composed of:

Accepted Answer

Mass and volume

Question 5

How many elements are present in glucose, C6H12O6?

Accepted Answer

3

Question 6

What is the empirical formula for glucose?

Accepted Answer

CH2O

Question 7

What is the molar mass of fluorine gas?

Accepted Answer

38 g/mol

Question 8

What is the value of Avogadro's number, NA?

Accepted Answer

6.02 x 1023

Question 9

In a salt solution, what is the solvent?

Accepted Answer

water

Question 10

Which state of matter has an indefinite shape and a definite volume?

Accepted Answer

liquid

Question 11

What do you call a solution that is holding the maximum solute amount at a given temperature?

Accepted Answer

Saturated

Question 12

What is the temperature value for absolute zero?

Accepted Answer

-273°C

Question 13

How many atoms of oxygen are present in one formula unit of magnesium phosphate?

Accepted Answer

8

Question 14

Under what temperature and pressure conditions does an ideal gas exist?

Accepted Answer

High temperatures and low pressures

Question 15

In the following heating curve of a solid, what is happening from D to E?

Accepted Answer

The liquid is boiling.

Question 16

What law is shown in the following graph?

Accepted Answer

Boyle's Law

Question 17

How many moles of water would you expect if you started with 10 moles of sodium bicarbonate?

Accepted Answer

5

Question 18

What type of reaction is shown?

Accepted Answer

Single displacement

Question 19

In chemistry, what isotope is the standard mass for weighing elements?

Accepted Answer

carbon-12

Question 20

Assuming 4 tires per car body, how much excess reactant remains.

Accepted Answer

16 excess tires

Questions 20