Asked by hollloooowwweeennn
Which result occurs during an exothermic reaction?
A.Light is released into the environment, while heat is absorbed.
B.Light and heat are absorbed from the environment.
C.Heat is released into the environment, while light is absorbed.
D.Light and heat are released into the environment.
Which event is an example of an endothermic reaction?
A.photosynthesis
B.condensation
C.rusting of iron
D.burning wood
How is total reaction energy calculated?
A.reactant bond energy – product bond energy
B.product bond energy ÷ reactant bond energy
C.product bond energy × reactant bond energy
D.product bond energy × reactant bond energy
When producing hydrogen iodide, the energy of the reactants is 581 kJ/mol, and the energy of the products is 590 kJ/mol. The equation is shown.
H2 + I2 → 2HI
What is the total energy of the reaction? Is this an endothermic or exothermic reaction?
A.When producing hydrogen iodide, the energy of the reactants is 581 kJ/mol, and the energy of the products is 590 kJ/mol. The equation is shown.
H2 + I2 → 2HI
A.–9 kJ/mol, endothermic
B.9 kJ/mol, endothermic
C.9 kJ/mol, exothermic
D.9 kJ/mol, exothermic
Hydrogen bromide breaks down into diatomic hydrogen and bromine in the reaction shown.
2HBr → H2 + Br2
The energy of the reactant is 732 kJ/mol, and the energy of the products is 630 kJ/mol.
What is the total energy of the reaction? Is this reaction endothermic or exothermic?
A.102 kJ/mol, exothermic
B.102 kJ/mol, endothermic
C.–102 kJ/mol, endothermic
D.–102 kJ/mol, exothermic
A.Light is released into the environment, while heat is absorbed.
B.Light and heat are absorbed from the environment.
C.Heat is released into the environment, while light is absorbed.
D.Light and heat are released into the environment.
Which event is an example of an endothermic reaction?
A.photosynthesis
B.condensation
C.rusting of iron
D.burning wood
How is total reaction energy calculated?
A.reactant bond energy – product bond energy
B.product bond energy ÷ reactant bond energy
C.product bond energy × reactant bond energy
D.product bond energy × reactant bond energy
When producing hydrogen iodide, the energy of the reactants is 581 kJ/mol, and the energy of the products is 590 kJ/mol. The equation is shown.
H2 + I2 → 2HI
What is the total energy of the reaction? Is this an endothermic or exothermic reaction?
A.When producing hydrogen iodide, the energy of the reactants is 581 kJ/mol, and the energy of the products is 590 kJ/mol. The equation is shown.
H2 + I2 → 2HI
A.–9 kJ/mol, endothermic
B.9 kJ/mol, endothermic
C.9 kJ/mol, exothermic
D.9 kJ/mol, exothermic
Hydrogen bromide breaks down into diatomic hydrogen and bromine in the reaction shown.
2HBr → H2 + Br2
The energy of the reactant is 732 kJ/mol, and the energy of the products is 630 kJ/mol.
What is the total energy of the reaction? Is this reaction endothermic or exothermic?
A.102 kJ/mol, exothermic
B.102 kJ/mol, endothermic
C.–102 kJ/mol, endothermic
D.–102 kJ/mol, exothermic
Answers
Answered by
Anonymous
We are here to help you if you are stuck, not to do your work for you. I studied this material in 1956 and do not need practice.
Answered by
Willow
I gotchu!
1.) D
2.) A
3.) C
4.) A
5.) D
these answers are correct trust me :)
1.) D
2.) A
3.) C
4.) A
5.) D
these answers are correct trust me :)
Answered by
GI Joe
Willow's wrong...
1.) C Light and heat are released into the environment.
2.) A photosynthesis
3.) B reactant bond energy – product bond energy
4.) C –9 kJ/mol, exothermic
5.) C 102 kJ/mol, endothermic
Your welcome,
-GI Joe
1.) C Light and heat are released into the environment.
2.) A photosynthesis
3.) B reactant bond energy – product bond energy
4.) C –9 kJ/mol, exothermic
5.) C 102 kJ/mol, endothermic
Your welcome,
-GI Joe
Answered by
yessloppp
GI joe is right
Answered by
Joel purple
thx GI Joe is right im sooooooooooooo happppppyyyyyyy
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Answered by
Kraken
Can confirm 100%
Thx!!!
Thx!!!
Answered by
weeeeeeeeee
GI Joe thank you
do people know that the answers change around for everyone lol
do people know that the answers change around for everyone lol
Answered by
unknown
yeahh i found that out the hard way...
Answered by
Lol
Tyyy
Answered by
Algebra 2 B Eden
If you are in my Alegebra 2 Class and use this
Answered by
science nerd
GI Joe is right
Answered by
rock <3
TYTYTY GI JOE!!!! aaaaa <3
Answered by
Study
Total Bond Q.C.
100% correct
1: B (Light or heat are released into the environment.)
2: B (photosynthesis)
3. B (reactant bond energy – product bond energy)
4. D (–9 kJ/mol, exothermic)
5. C 102 kJ/mol, endothermic
100% correct
1: B (Light or heat are released into the environment.)
2: B (photosynthesis)
3. B (reactant bond energy – product bond energy)
4. D (–9 kJ/mol, exothermic)
5. C 102 kJ/mol, endothermic
Answered by
Tea
If u don't have question 3, and have a different question 5 instead, then the answer is:
467 kJ/mol; lose heat
467 kJ/mol; lose heat
Answered by
Anonymous
Thank you soo much Tea!!!
Answered by
Combin
(2022 Answers)
1- "Light or heat are released into the environment."
2- "photosynthesis"
3- "–9 kJ/mol, exothermic"
4- "102 kJ/mol, endothermic"
5- "467 kJ/mol; lose heat"
(No letters because that just makes it confusing + The letters change around.)
1- "Light or heat are released into the environment."
2- "photosynthesis"
3- "–9 kJ/mol, exothermic"
4- "102 kJ/mol, endothermic"
5- "467 kJ/mol; lose heat"
(No letters because that just makes it confusing + The letters change around.)
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