Chemistry, 17.10.2020 08:01 ronaldotheexplorer12

Select all the correct answers. Some chemical reactions absorb energy rather than release it. Which of these phenomena are caused by chemical reactions
that absorb energy? If you're not sure, make a guess.
1. Plants use sunlight and atmospheric gases to make food.

2. A person activates a cold pack by hitting it against a surface.

3. A rechargeable battery is plugged in to charge.

4. Heat is used to separate a compound into its elements.

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 07:00

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Answers: 2

Answer

Chemistry, 22.06.2019 11:00

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

Answers: 3

Answer

Chemistry, 22.06.2019 17:30

Which material burns faster? metal aluminum

Answers: 2

Answer

Chemistry, 22.06.2019 18:00

Which statement best describes the he properties of iconic compounds ?

Answers: 1

Answer

You know the right answer?

Select all the correct answers. Some chemical reactions absorb energy rather than release it. Which...

Questions

Chemistry, 15.10.2019 22:30

You add a solid sample into a liquid in a beaker. after stirring, the solid completely disappears in the liquid and looks clear, like the image below....

Spanish, 15.10.2019 22:30

Inventa sustantivos propios que te parezcan adecuados para cada caso. una ciudad hermosa una montaña árida un principe de leyenda

Mathematics, 15.10.2019 22:30

What is the measure of ? оа. 1379 ов. 133° 43° 2 w 90° 90° 43°...

Business, 15.10.2019 22:30

2. how does one's language force a person to think about time? 3. how does this difference in language relate to our propensity to save? ...

Mathematics, 15.10.2019 22:30

Two parallel lines are crossed by a transversal. what is the value of h? h = 60 h = 80 h = 100 h = 120

Chemistry, 15.10.2019 22:30

Me which of the following is not an example of a molecule? o3 mn h2s koh...

English, 15.10.2019 22:30

Which of the following best describes the enlightenment 1.a cultural movement that sought to reform society using reason 2.a b...

History, 15.10.2019 22:30

Challenges facing the railroad workers there were few towns along the route of the railroads. why was this a challenge? the railroads cou...

Mathematics, 15.10.2019 22:30

Twice the difference of y and 4, increased by 3. a. 2(y – 4) + 3 b. 2(y + 3) - 4 c. 2y(−4 + 3) d. 2(y + 1)...

Social Studies, 15.10.2019 22:30

Write a hypothesis about the effect of a strong odor on earthworm behavior. use the "if . . then . . because . .” format, and be sure to answer the...

History, 15.10.2019 22:30

Read the excerpt from mark twain's "the £1,000,000 bank-note". well, i was perfectly honest and square with her; told her i hadn't a cent in the worl...

English, 15.10.2019 22:30

What is the significance of maya angelou's depiction of her own youthful admiration for william shakespeare in i know why the caged bird sings? ...

Mathematics, 15.10.2019 22:30

Jklm ~ npqr. what is the length of side pn ? r 8 1 10 * 4 l p 6 0...

Mathematics, 15.10.2019 22:30

Who is correct and why? shelby is correct because the line of best fit has a negative slope and the trend shows a decrease in y values as the x...

Spanish, 15.10.2019 22:30

Inventa y escribe sustantivos comunes: para un aparato que mide la melancolia para una especie exótica para una flor muy bella ayuda por...

Mathematics, 15.10.2019 22:30

why is it important to have a common denominator when we add or subtract fractions?...

Health, 15.10.2019 22:30

Step 1 – check the scene for safety, then see if the person responds to you when you tap them on the shoulder and you shout, “are you okay? ” step 2 –...

English, 15.10.2019 22:30

The publication of the federalists papers had which of the following effects on public opinion about the constitution?...

Mathematics, 15.10.2019 22:30

why is triangle big is congruent to triangle atc?

Geography, 15.10.2019 22:30

Less than what percentage of the japanese people are farmers? a. 3% b. 5% c. 11% d. 15%...

More questions: Chemistry Another questions