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Natalka [10]
3 years ago
9

Which of the following is the most accurate description of all known spaces

Chemistry
1 answer:
vazorg [7]3 years ago
7 0

Answer:

where are the following??

like anything? any animal?

Explanation:

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Which of these statements about the Sun is accurate?
Ymorist [56]

C.

The energy produced by the Sun comes from nuclear fusion reactions.

Explanation

during formation of the solar system the centrifugal force of the sun caused it to collapse on it's self initialising nuclear fusion.

8 0
2 years ago
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Delta H for each reaction ty!
Lubov Fominskaja [6]

Answer:

Reaction 1 = -462.5 kJ/mol

Reaction 2 = -572 kJ/mol

Magnesium combustion = -601.83 kJ/mol

5 0
3 years ago
Ifa dozen nails weighs 1 pound, how many nails are in 7.6 pounds?
NikAS [45]
Then there should be mostly 91 nails
4 0
3 years ago
Extrapolation allows you to estimate values greater than those in your actual data.
serg [7]
Extrapolation allows you to estimate values greater than those in your actual data. True
4 0
3 years ago
4. The mass of a silver liberty (coin) was measured three times and each measurement was made
Vaselesa [24]

Answer:

The average mass of the gold coin reported to five significant figures, even though you  had to divide by "3" to obtain the average.

Explanation:

Given that,

The mass of a silver liberty was measured three times and each measurement was made  to five digits.

The mass values are,

m_{1}=12.519\ g

m_{2}=12.521\ g

m_{3}=12.496\ g

The average mass of the gold  coin is 12.512 g.

We know that,

Significant figures :

Significant figures is explained the nonzero, leading zero and zeros between two nonzero digits.

For example,

The digits is 0.003405

In the digit, 345 = nonzero

0.00 = leading zero

The average mass of the gold coin reported to five significant figures because average mass is 12,512. All digits are nonzero.

Nonzero digit are significant.

Hence, The average mass of the gold coin reported to five significant figures, even though you  had to divide by "3" to obtain the average.

7 0
3 years ago
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