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nadya68 [22]
3 years ago
15

Which of the following is an incorrect statement?

Chemistry
1 answer:
raketka [301]3 years ago
6 0
Sound is a form of energy is incorrect

Sound is caused by the movement or vibration of matter

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Mole Conversion: How many molecules are there in 6.70 moles of methane, CH4 ​
raketka [301]

Answer:

Explanation:

1 mol of methane = 6.02 * 10^23 molecules

6.70 mol of methane = x

Cross multiply

x = 6.70 * 6.02 * 10^23

x = 4.033 * 10^23 molecules.

8 0
3 years ago
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This man is using a block and tackle to lift a heavy bale of cotton. the block and tackle contains which simple machine?
AlladinOne [14]
The simple machine used is called atwood machine. 
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2 years ago
Balance NaOH + H3PO4->H2O + Na3PO4
Masteriza [31]

Answer:

3NaOH + H3PO4 ---> 3H2O + Na3PO4

Explanation:

7 0
2 years ago
Every day, about 1 4 0 , 0 0 0 , 0 0 0 140,000,000140, comma, 000, comma, 000 plastic water bottles are bought in the United Sta
jeka94

Answer:

0.875 time.

Explanation:

The length of plastic water bottles are bought in the United States every day = (the no. of plastic water bottles are bought every day)(length of each bottle) = (140.0 million bottle)(0.25 m) = 35.0 million meter.

The length of the equator of the earth = 40.0 million meter.

∴ The times can the Earth's equator be circled by a line of plastic bottles used in the United States every day = (The length of plastic water bottles are bought in the United States every day)/(The length of the equator of the earth) = (35.0 million meter)/(40.0 million meter) = 0.875 times.

8 0
3 years ago
What is related to the energy of motion of the particles of matter?
Amanda [17]
The Kinitec Molecular Theory of Matter 
Yes Kninetic energy
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