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navik [9.2K]
3 years ago
5

AJUTOR VA ROG AM TEST SI MAI AM 10 MINUTE AM NEVOIE DE SUBPUNCTUL C SI D

Chemistry
1 answer:
BabaBlast [244]3 years ago
7 0

Explanation:

desk I have a lot of work and I will send it in the one

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Look at the periodic table.
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Mg^{+2}

Explanation:

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When NH NO3(aq) reacts to form N2O(g) and H2O(1), 150 kJ of energy are evolved for each mole of NH NO3(aq) that reacts.
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Which of the following statements best explains why Native Americans were overtaken so easily by European settlers?
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Answer:

I don't see any following statements

Explanation:

could you give me some and I'll be happy to help : )

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3 years ago
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Which phrase correctly describes the outer shell of electrons of each atom in most covalent compounds?
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3 years ago
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If the observed value for a density is 0.80 g/mL and the accepted value is 0.70 g/mL what is the percent error?
kvv77 [185]

Answer:

<h2>The answer is 14.29 %</h2>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual density = 0.70 g/mL

error = 0.8 - 0.7 = 0.1

So we have

P(\%) =  \frac{0.1}{0.7}  \times 100 \\  = 14.285714...

We have the final answer as

<h3>14.29 %</h3>

Hope this helps you

4 0
3 years ago
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