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stiv31 [10]
3 years ago
15

Explain what happens to energy and matter during a chemical reaction.

Chemistry
1 answer:
AlekseyPX3 years ago
4 0
According to law of conservation of matter and energy, amount of both of them will remain same

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Please help! Will mark Brainliest!
Elina [12.6K]
The answer is D ya know
6 0
3 years ago
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A motorcycle travel at 6.0 m/s. After 3.0 second, the motorcycle travel at 15.0 m/s. Which of the following was the average acce
Lerok [7]

Hello!

\large\boxed{a = 3m/s^{2}}

Use the following equation to solve for the average acceleration of the motorcycle:

a = \frac{v_{f}-v_{i}}{t}

Plug in the given final, initial velocities, and the time:

a = \frac{15-6}{3}\\\\a = \frac{9}{3}\\\\a = 3m/s^{2}

7 0
3 years ago
A helium balloon contains 0.46g off helium. how many moles of helium does it contain?
EastWind [94]

(0.48 gram) x (1mole / 4.0 gram) = 0.48/4.0 = 0.12 mole

3 0
3 years ago
Why is water said to be universal solvent?
Pachacha [2.7K]

Answer:

B

Explanation:

And, water is called the "universal solvent" because it dissolves more substances than any other liquid. This allows the water molecule to become attracted to many other different types of molecules.

8 0
3 years ago
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Kory goes outside to grill some hamburgers. He tells Ethan that when you cook meat, a chemical reation is taking place. Ethan sa
Ray Of Light [21]

Answer:

Explanation:

Kory goes outside to grill some hamburgers. He tells Ethan that when you cook meat, a chemical reation is taking place. Ethan says "That's perpostrous!" Is Kory Correct??

absolutely Kory is correct

evidence of a chemical reaction are

new odor and or taste

change in color

signs of bubbling

direct effect of temperature on rate of change

evidence of a new substance being formed

we observe all these when we grill meat.

7 0
3 years ago
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