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24 Nov 2021
Given information
The value of 
for a chemical reaction is the amount of heat absorbed or evolved in the reaction under conditions of constant pressure. An endothermic reaction has a positive and absorbs heat from the surroundings. An endothermic reaction feels cold to touch. An exothermic reaction has a negative and gives off heat to surroundings. An exothermic reaction feels warm to the touch.
Step-by-step explanation
Step 1.
b. a sparkler burning
Burning of sparkler is a exothermic reaction and has a negative sign. During this process heat released to the surroundings.
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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944
Solutions
Chapter
Section
- Problem 1a
- Problem 1b
- Problem 1c
- Problem 1d
- Problem 2a
- Problem 2b
- Problem 2c
- Problem 2d
- Problem 3a
- Problem 3b
- Problem 3c
- Problem 4a
- Problem 4b
- Problem 4c
- Problem 5
- Problem 6
- Problem 7a
- Problem 7b
- Problem 7c
- Problem 8a
- Problem 8b
- Problem 8c
- Problem 9
- Problem 10
- Problem 11
- Problem 12
- Problem 13
- Problem 14
- Problem 15
- Problem 16
- Problem 17
- Problem 18
- Problem 19
- Problem 20
- Problem 21
- Problem 22
- Problem 23
- Problem 24
- Problem 25
- Problem 26a
- Problem 26b
- Problem 26c
- Problem 27
- Problem 28
- Problem 29
- Problem 30
- Problem 31
- Problem 32
- Problem 33
- Problem 34
- Problem 35
- Problem 36
- Problem 37
- Problem 38
- Problem 39
- Problem 40
- Problem 41
- Problem 42
- Problem 43
- Problem 44
- Problem 45a
- Problem 45b
- Problem 45c
- Problem 46a
- Problem 46b
- Problem 46c
- Problem 47
- Problem 48
- Problem 49
- Problem 50
- Problem 51a
- Problem 51b
- Problem 51c
- Problem 51d
- Problem 52a
- Problem 52b
- Problem 52c
- Problem 52d
- Problem 53
- Problem 54
- Problem 55a
- Problem 55b
- Problem 55d
- Problem 56a
- Problem 56b
- Problem 56c
- Problem 56d
- Problem 57
- Problem 58
- Problem 59
- Problem 59
- Problem 59
- Problem 60
- Problem 81