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jolli1 [7]
2 years ago
11

If a reaction is exothermic, what is true of its reverse reaction?

Chemistry
1 answer:
Allushta [10]2 years ago
3 0

Answer:

the forward reaction will have a lower activation energy than the reverse reaction.

Explanation:

hope this helps

i am so sorry if this is the wrong answer

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The chemistry lab is 0.3394km from the nurses office. How many feet is the distance?
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3 years ago
How many atoms, ions, or molecules are in a 1 molar solution?
Nezavi [6.7K]

Molarity refers to moles/ L. This indicates the concentration of a solution containing solute and solvent.

1 molar solution contains 1 mole of solute in 1 L of solvent.

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For this reason, 6.023 x 10^23 atoms, ions, or molecules are in a molar solution.

7 0
3 years ago
How does the density of a hershey bar compare to the density of the a half bar?
anastassius [24]

The density would be the same for the whole bar as well as one half of the bar. Density is a identity I believe, by this I mean that it stays the same no matter how little or how much of the same substance you have. Since density = mass / volume, half the bar has half of the weight as well as half of the volume of the whole bar, making the density the same.

For example, a block weighs 10 grams and has a volume of 5 ml. the density would be d = 10/5 or, d = 2g/ml

Half of the block weighs 5 grams and has a volume of 2.5 ml. The density is d = 5/2.5, or, d = 2 g/ml.

See, although there are different amounts of the same substance, their density is the same.

8 0
2 years ago
Express 749 000 000 in scientific notation,
Dima020 [189]

Answer:

7.49 × 108

Explanation:

Scientific notation is a way to express numbers in a form that makes numbers that are too small or too large more convenient to write. It is commonly used in mathematics, engineering, and science, as it can help simplify arithmetic operations. In scientific notation, numbers are written as a base, b, referred to as the significant, multiplied by 10 raised to an integer exponent, n, which is referred to as the order of magnitude:

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What main factor determines the path a star will take during its life cycle
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The Nassau Din beat the the star has.
It may turn into a black hole if it has a high enough mass.
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