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Sphinxa [80]
3 years ago
10

Which arrows represents the phase transitions in which he's energy is gained

Chemistry
1 answer:
prisoha [69]3 years ago
6 0

Answer:

Do you have a picture of this?

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Ben observes how quickly some dry wood is burning in a campfire. which term best relates to ben's observation?
Katyanochek1 [597]
I think this the the list of choices relating to the above question.
reaction rate 
<span>activation energy </span>
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The term that best relate to ben's observation is REACTION RATE.

Reaction rate is defined as the speed at which the chemical reaction proceeds. It either is the amount of concentration of a product in a given unit of time or the concentration of the reactant that is being consumed in a unit of time.
7 0
3 years ago
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Which of the following most accurately describes a regulatory molecule that must be transported to its place of action within th
Sonbull [250]

Answer:

the answer is hormone

Explanation:

because it is

5 0
1 year ago
What two elements fill their last electron in the 5s sublevel?
postnew [5]

Answer:Rubidium and Strontium

Explanation:

7 0
2 years ago
I need help
qaws [65]

D) All three bulbs would go out because the circuit would no longer have a ground thereby deeming it "open".

5 0
3 years ago
Note the mass of copper(1) oxide formula unit 143.091 what is the mass of 8.250 moles of Cu2O
baherus [9]

Answer:

The mass of 8.250 moles of Cu2O is 1180.5g

Explanation:

HOW TO CALCULATE MASS OF A SUBSTANCE:

  • The mass of a substance can be calculated by multiplying the number of moles in the substance by its molar mass as follows:

Mass (g) = no. of moles (mol) × molar mass (g/mol)

  • Molar mass of copper (I) oxide (Cu2O) = 63.5(2) + 16 = 143.09 g/mol

Mass of Cu2O = 8.250 mol × 143.09 g/mol

Mass of Cu2O = 1180.5 g

Therefore, the mass of 8.250 moles of Cu2O is 1180.5 g.

6 0
2 years ago
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