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Year 10 Chemistry homework 14/10/2024

Last updated 10 months ago

20 questions

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4

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Question 1

1.

State and explain how increasing surface area affect the rate of reaction.

Your answer must include the words - particles / collisions / frequency / surface area / volume.

Question 2

2.

State and explain how increasing concentration affects the rate of reaction.

Your answer must include the words - particles / collisions / frequency / volume.

Question 3

3.

State and explain how increasing gas pressure affects the rate of reaction.

Your answer must include the words - collisions / frequency / volume.

Question 4

4.

State and explain how increasing temperature affects the rate of reaction.

Your answer must include the words - particles / collisions / frequency / speed (or kinetic energy) sucessful.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 20

20.

Rates of reaction -effects of changes

a

b

c

d

Rates of reaction -graph interpretation 

a - this is not correct we will cover catalysts in a later lesson

b

c

d

Rates of reaction Note you need to tick two boxes

Reaction 1

Reaction 2

Reaction 3

Reaction 4

Group I

a

b

c

d

Group VII

a

b

c

d

Noble gases

a

b

c

d

Property of metals

a

b

c

d

The atmosphere

a

b

c

d

a

b

c

d

a

b

c

d

Periodic table

a

b

c

d

Reactivity series

a

b

c

d

What is always true for a pure substance? 

A It always boils at 100 °C. 

B It contains only one type of atom. 

C It has a sharp melting point. 

D It is solid at room temperature.

a

b

c

d

The equation represents the reaction between solid magnesium oxide and dilute hydrochloric acid to form magnesium chloride and water: 

MgO + 2HCl → MgCl₂ + H₂O 

Which row shows the state symbols for hydrochloric acid, magnesium chloride, and water?

HCl (aq), MgCl₂ (aq), H₂O (l)

HCl (aq), MgCl₂ (l), H₂O (l)

HCl (l), MgCl₂ (aq), H₂O (aq)

HCl (l), MgCl₂ (l), H₂O (aq)

What is the equation for the reaction between calcium and chlorine?

2Ca + Cl → Ca₂Cl

2Ca + Cl₂ → Ca₂Cl₂

Ca + Cl → CaCl

Ca + Cl₂ → CaCl₂

Calcium nitrate has the formula Ca(NO₃)₂. What is the relative formula mass, Mr, of calcium nitrate?

102

150

164

204