3 years ago

What holds a proton together?

1 answer:

8 0

The answer is C. Strong nuclear force. Subatomic particles in the core of an atom (protons and neutrons) are held together by this type of force. The force is known to be one of the 4 fundamental forces of our universe.

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How many gallons of gasoline that is 5% ethanol must be added to 2,000 gallons of gasoline with no ethanol to get a mixture that

Amanda [17]

Answer:

$V_1= 3000 gal$

Explanation:

We have 3 solutions:

Solution 1 (with ethanol)
Solution 2 (no ethanol)
Final solution

$V_f=V_1 + V_2$

and for the ethanol:

$V_f*0.03=V_1*0.05 + V_2*0$

$V_f=V_1 \frac{5}{3}$

Combining:

$V_1 \frac{5}{3}=V_1 + V_2$

$V_1 \frac{2}{3}= V_2$

$V_1= \frac{3}{2} V_2$

If V2=2000 gal:

$V_1= \frac{3}{2} 2000 gal$

$V_1= 3000 gal$

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3 years ago

Explain why science is a continuous profession of study.

xxMikexx [17]

Science is a continuous profession of study because new ideas are produced based on new evidence. Also, there are different topics of science such as climate change or new cures to different diseases.

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4 years ago

What problem can fossil fuel create for life on earth?

Darya [45]

Pollution and rising temperatures

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3 years ago

If the carbon atom of hydrocarbon is bonded to less than 4 other atoms, the hydrocarbon is considered _______.

antiseptic1488 [7]

It is called as unsaturated hydrocarbons

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4 years ago