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VLD [36.1K]
3 years ago
12

A sports car and a fully loaded semi truck pull side by side at a red light. Using your knowledge of acceleration, predict which

will accelerate faster when the traffic light turns green. Cite reasons for your answer.
Chemistry
1 answer:
Len [333]3 years ago
7 0
According to Newtons second law of motion:

a =  \frac{F}{m}

This shows, acceleration and mass are inversely proportional. So, larger the mass, less will be the acceleration produced and vice versa.

In case of a sports car and a fully loaded truck, the mass of truck is a lot more than the sports car. As a result the sports car will accelerate faster when the traffic light turns green.
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2 years ago
How many molecules are in 1.2 moles of H20?​
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<h3>Answer:</h3>

7.226 × 10^23 molecules.

<h3>Explanation:</h3>
  • A compound is a substance that is made by two or more atoms from different elements.
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  • That is, one mole of a compound contains 6.022 × 10^23 molecules.

In this case we are given;

Number of moles of H₂O as 1.2 moles

But, 1 mole of H₂O contains 6.022 × 10^23 molecules.

We are required to calculate the number of molecules present;

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3 years ago
An isotope contains 47 protons, 47 electrons, and 60 neutrons. What is the identity ok the isotope.
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Z = p⁺; atomic number.

Atomic number is the number of protons, which is characteristic of a chemical element, silver is an element with atomic number 47.

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A = p⁺ + n°; mass number is the total number of protons and neutrons in a nucleus.

A = 47 + 60.

A = 107.

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Answer:

I'm sorry i do not speak spanish , so i dont understand.

Explanation:

do you know english

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