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Elanso [62]
2 years ago
12

Scientists believe that the earth's core is:

Chemistry
1 answer:
Rus_ich [418]2 years ago
5 0
They believe that its solid and that the inner part of the core in iron
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What are some examples of properties scientists use to describe matter?
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Answer:

Physical properties are used to observe and describe matter. Physical properties can be observed or measured without changing the composition of matter. These are properties such as mass, weight, volume, and density.

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How many moles are in 9.50 x 1022 molecules of CO? Be sure to ALL work below and report your answer using the correct number of
eimsori [14]

Answer:

0.158 moles

Explanation:

We are given;

9.50 x 10^22 molecules of CO

We are required to determine the number of moles;

We need to know;

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9.50 x 10^22 molecules of CO will be equivalent to;

= 9.50 x 10^22 molecules ÷ 6.022 × 10^23 molecules/mole

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Several scientists from different countries are asked to examine the results of an experiment before a journal will print it. Wh
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