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ICE Princess25 [194]
2 years ago
11

(multiple choice) What is the SI unit of mass?

Chemistry
1 answer:
SpyIntel [72]2 years ago
5 0

Answer:

Gram

Explanation:

The SI unit of mass is grams.

Mass is the measure of matter contained in a substance. It is usually determined by weighing an amount of substance on a balance or scale.

  • Mass is a fundamental quantity
  • So, the unit of mass is grams.
  • Ounce and pounds are other units but not the standard one.
  • Newton is the unit of force and weight.
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Saying I have two different compounds with different molecular formula. One is compound NaCl, the other one is compound H2O. They will have different chemical properties such as their melting and boiling point. Therefore the answer is Yes.
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Which of the following can be said about the boiling point of a liquid
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A car traveling at a speed of 30.0 m/s encounters an emergency and comes to a complete stop in 7.5 seconds? What is the cars acc
Marianna [84]

Answer:

The acceleration is: 4m/s^2

Explanation:

Given

u = 30.0m/s --- The initial velocity

t = 7.5s --- time

v = 0m/s -- The final velocity

Required

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To do this, we make use of the first equation of motion

v = u - at

We used negative because the car was coming to stop.

This gives:

0 = 30 - 7.5 * a

0 = 30 - 7.5a

Collect like terms

7.5a = 30

Solve for a

a = \frac{30}{7.5}

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6 0
3 years ago
Is beeswax a mineral, a rock or neither
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Answer:

Pretty sure its a mineral

Explanation:

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The answer is A polar covalent
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