Aqa Gcse Chemistry 8462/1H Higher Tier Paper 1 Merged Question Paper & Marking Scheme Combined 300+ Questions And Answers 100%Verified Graded A+

AQA GCSE CHEMISTRY 8462/1H
HIGHER TIER PAPER 1 MERGED
QUESTION PAPER & MARKING
SCHEME COMBINED 300+
QUESTIONS AND ANSWERS
100%VERIFIED GRADED A+

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Terms in this set (279)


How do you By measuring the quantity of a
measure the rate reactant used or the quantity of
of a reaction? product formed over time

,What is the Mean rate of reaction = quantity of
equation for reactant used/time taken
calculating the
mean rate of a
reaction by
measuring the
amount of
reactant used?

What is the Mean rate of reaction = quantity of
equation for product formed/time taken
calculating the
mean rate of a
reaction by
measuring the
amount of
product formed?

What units can g/s or cm3/s or mol/s
you measure the
rate of a reaction
in?

, How do you By measuring the gradient of a
calculate the tangent drawn at that specific time
rate of a reaction on the graph
at a specific time
from graph of
the quantity of
reactant used or
the quantity of
product formed?

Concentration of reactants in
What are the five
solution, pressure of reacting gases,
factors that can
surface area of solid reactants,
affect the rate of
temperature and the presence of a
a reaction?
catalyst

What theory can Collision theory
we use to
explain how
various factors
affect the rate of
a reaction?

Chemical reactions can occur only
What is collision when reacting particles collide with
theory? each other and with sufficient
energy