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crimeas [40]
3 years ago
8

How can you tell if a chemical reaction has occurred?

Chemistry
1 answer:
qwelly [4]3 years ago
7 0
Gas formation, precipitate formation, color change, temperature change, or odor 
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PLEASE HELP ME WITH THIS IT'S DUE TOMORROW
Bond [772]

Answer:

Both:

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7 0
3 years ago
Nano3 dinitrogen oxide, also known as laughing gas, is a sweet-tasting gas used in dentistry. when solid ammonium nitrate is hea
Alexxandr [17]
This is a decomposition reaction, where ammonium nitrate is heated and decomposed to gaseous water and dinitrogen oxide.
Formulas for reactants and products with states are as follows;
ammonium nitrate - NH₄NO₃ (s)
water - H₂O (g)
dinitrogen oxide - N₂O (g)
balanced reactions when the masses of both sides of the equation must be balanced 

Balanced chemical equation 
NH₄NO₃(s) ---> 2H₂O(g) + N₂O(g)
3 0
3 years ago
What happens when energy is transferred through a wave?
Alexeev081 [22]

In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.

5 0
3 years ago
Can someone tell me the answer and how to do the problem?
Wittaler [7]

Answer:

is tht wht u want

Explanation:

1 grams Sodium is equal to 0.043497607849056 mole.

4 0
3 years ago
Which is an example of a compound ? sand , gold , water , iodine
OleMash [197]
Which is an example of a compound? sand, gold, water, or iodine? well, the answer is water, water is a compound.
4 0
3 years ago
Read 2 more answers
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