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CRTA_MYP5
By Francesca Costanzo
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Last updated about 6 years ago
6 questions
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1
1
1
1
3
4
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
In the equation q=mc∆T,
state
what ‘c’ stands for, including the units.
Question 6
6.
Outline
the difference between endothermic and exothermic reactions.
What is the mass of 1 mol of Carbon dioxide? C = 12 gmol
-1
and O = 16
gmol
-1
22
28
44
60
How many moles are there in 18 g of water. H = 1 gmol
-1
and O = 16 gmol
-1
1.5
2
1
3
What is always true of the enthalpy change for an endothermic reaction?
It is negative
Energy is released
It is positive
It is zero
Which of the following is a true statement about bond breaking?
It is exothermic
It is endothermic
It will never happen
Releases energy