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Lina20 [59]
3 years ago
5

Please I need this help me​

Chemistry
1 answer:
BaLLatris [955]3 years ago
3 0

Answer:

first of all is that really chemistry

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Please help fast!! I need someone to see if my answers are correct! If any are wrong please let me know what the correct answers
marta [7]

Yeah all of them are right :)

4 0
3 years ago
Someone please help!
natta225 [31]

The best and most correct answer among the choices provided by your question is the first choice or letter A "<span>The chemical bonds of the products have more energy than the chemical bonds of the reactants."
</span>
The term endothermic<span> process describes a process or </span>reaction<span> in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat.</span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
6 0
3 years ago
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What is the percent composition for the compound NaBr? (8C)
ehidna [41]

Answer:

the answer is D

Explanation:

percentage composition=  mole of the substance divided by the total molar mass of the compound multiplied by 100.

3 0
3 years ago
1. In the models, what particles do the colored and plain sesame seeds represent? What particles do the poppy seeds represent?
san4es73 [151]
Thank you for posting your question here. Below are the answers to the above questions:

1. The colored sesame seeds represent neutrons, and plain sesame seeds represent protons.
<span>2. The two poppy seeds glued to the fiberfill represent electrons. </span>
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Which statements true about the total mass of the reactants during a chemical change? (5 points)
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It is greater than the total mass
5 0
2 years ago
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