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kompoz [17]
3 years ago
7

Answer 1. the law of conservation of mass states that mass is neither created nor destroyed in an ordinary chemical reaction. wh

en an iron nail rusts, it seems to get heavier in mass. does the iron nail follow the law of conservation of mass?
Chemistry
1 answer:
Alexus [3.1K]3 years ago
7 0
Yes bc it is the truth 
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What is the correct way to write 0.0000250 m in scientific notation?
cestrela7 [59]
Your answer to this is 

2.5×10−5


Move the decimal so there is one non-zero digit to the left of the decimal point.
 
The number of decimal places you move will be the exponent on the <span>1010</span>.
 
If the decimal is being moved to the right, the exponent will be negative.
 
If the decimal is being moved to the left, the exponent will be positive.
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Answer:

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Explanation:

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                    Also, we know that neutron is neutral sub particle while, proton and electron are positively and negatively charged respectively. Therefore, a neutral neutron having no charge becomes equal to hydrogen atom having zero charge due to cancellation of both +ve and -ve charges.

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3 years ago
how many moles of silver nitrate are needed to produce 6.75 moles of copper (II) nitrate upon reacting with excess copper?
Andrej [43]
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