Answers: MCQ Online Exercise 1_1C Rates

1.
a)
	Rate = change / time =36-24/10 12/10 1.2 cm³s^-1
b)

2.
	suitable method, tubes must not be blocked
3.
a)

b)

4.
a)

b)
	119.8-118.25/5 = 1.55/5 = 0.31 g s^-1
c)
	As the reaction proceeds, the reactants are being used up. Consequently, the concentration of reactants decreases. Reducing the concentration of reactants reduces the rate of reaction.
d)

e)

5.
a)
	Prevents loss of mass due to spitting/ bubbling of liquid out of container
b)
	Rate = change/ time 165.00-163.8/10 0.12 g s^-1
c)

Glow Blogs uses cookies to enhance your experience on our service. By using this service or closing this message you consent to our use of those cookies. Please read our Cookie Policy.