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andrew-mc [135]
2 years ago
9

Where dose the energy that drives the rock cycle come from

Chemistry
1 answer:
Elan Coil [88]2 years ago
6 0

Answer:

It comes from the sun.

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What are the purposes of theories in science?
Leto [7]

Answer:

Scientific theories are testable and make falsifiable predictions. They describe the causes of a particular natural phenomenon and are used to explain and predict aspects of the physical universe or specific areas of inquiry (for example, electricity, chemistry, and astronomy).

A good theory in the theoretical sense is (1) consistent with empirical observations; is (2) precise, (3) parsimonious, (4) explanatorily broad, and (5) falsifiable; and (6) promotes scientific progress (among others; Table 1.1).

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Which of the following molecules contains six bonding electrons?
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c2h4 (etthane........

bexcuse it has 6 bond of hydrogen

8 0
3 years ago
The image shows a piston system where gas is compressed. If the uncompressed system is at a standard pressure of 1 atm, what is
MrMuchimi

The answer is 2 atm. I guessed on the problem and got it right. I don’t know the work though.

8 0
3 years ago
A certain gas is present in a 15.0 LL cylinder at 2.0 atmatm pressure. If the pressure is increased to 4.0 atmatm the volume of
Helga [31]

Explanation:

According to Boyle's law,  pressure of a gas is inversely proportional to its volume at constant temperature and moles.

Mathematically,       P = \frac{k}{V}

where,     k = proportionality constant

Also, formula for initial pressure and volume is as follows.

              P_{i} = \frac{k_{i}}{V_{i}}

or,           k_{i} = P_{i} \times V_{i}

                          = 2 atm \times 15 L

                          = 30 atm L

Now, we will calculate the value of k_{f} as follows.

             k_{f} = P_{f} \times V_{f}

                         = 4 atm \times 7.5 L

                         = 30 atm L

Hence, as k_{i} = k_{f} this means that it signifies that gas obeys boyle's law.

6 0
3 years ago
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