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Julli [10]
3 years ago
6

38 POINTS - PEER COUNSELING 2 QUESTION

Chemistry
2 answers:
brilliants [131]3 years ago
7 0

anything except for a and d

Hoochie [10]3 years ago
6 0

C) You confronting her about the problem at hand.

<u>C) Amanda, why do you say mean things about me?</u>

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AUDIO
Eddi Din [679]

Answer:

The ice record shows a period in Earth's history when there was an ice age and the global average temperature was

much colder. During this time, the ice record shows the amount of carbon dioxide in the atmosphere decreased, but the

amount of energy from the sun did not change. How did the the total amount of energy in the Earth system change, how

did this change happen, and how did it contribute to the ice age?

6 0
2 years ago
Cherylanne mixes together Chemical A and Chemical B in a test tube, forming Chemical C. The mixture instantly turns cool to the
mina [271]

Answer : Chemicals A and B form an endothermic reaction, and chemicals C and D form an exothermic reaction.

Explanation :

Endothermic reaction : When the system absorb heat from the surrounding then the surrounding become cool.

Exothermic reaction : when the system releases heat into the surrounding then the surrounding become hot.

According to the question,

when we mixed chemical A and chemical B together in a test tube to form chemical C, the mixture become cool. This means that the system is absorbing heat from the surrounding and thus the reaction is called a endothermic reaction.

And when we added chemical D in chemical C, the new mixture becomes hot and explodes. This means that the system is releasing heat into the surrounding and thus the reaction is called as exothermic reaction.


8 0
3 years ago
Read 2 more answers
Velocity may be expressed in which I f the following units?
Dmitry_Shevchenko [17]

velocity is speed and direction so it should be expressed in mph f/s (feet per second) with a direction like North, right, left,

ex) 5mph south

3 0
3 years ago
What mass of glucose can be produced from photosynthesis reaction using 10.0 mols co2
AnnZ [28]

Answer:

300.06 grams of glucose can be produced from a photosynthesis reaction that occurs using 10 moles of carbon dioxide.

Explanation:

5 0
2 years ago
How might you think it is possible to convert from moles to particles or grams to particles?
nevsk [136]

Explanation:

To convert moles to particles or grams to particles, let us have a firm understanding of what a mole is.

A mole is the unit of measuring quantity of particles.

It is the amount of substance that contains the Avogadro's number of particles.

The particle can be atoms, molecules, formula units, electrons, protons, neutrons, etc.

 So, to convert from moles to particles;

    1 mole of a substance  contains 6.02 x 10²³ particles

To convert from grams to particles;

  First convert to moles;

        number of moles  = \frac{mass}{molar mass}  

  So,    1 mole of a substance  contains 6.02 x 10²³ particles

4 0
2 years ago
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