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Vesnalui [34]
4 years ago
13

If the rock flew to another planet, will its mass change?

Chemistry
2 answers:
scZoUnD [109]4 years ago
8 0

Answer:

no its mass is consistent and never changes but its weight would

Gemiola [76]4 years ago
4 0

Answer:

No

Explanation:

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In a car engine gasoline is burning to create mechanical energy which of the following statements is true? A. Some energy is los
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Answer:

Some energy is lost as heat

Explanation:

It is correct to say that as the gasoline is converted to mechanical energy in the automobile engine, some of the energy is lost as heat.

Heat energy is on of the ways energy is lost in any system. The movement of mechanical parts and even the combustion of the gasoline produces heat energy.

These energy are usually lost to the environment.

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How many moles are present in 25.0 grams of potassium permanganate, KMnO,? ​
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Answer: 0.158

Explanation:

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An organic chemist measures the temperature T of a solution in a reaction flask. Here is the result T = 17. degree C Convert T t
garik1379 [7]

Answer : The temperature in Kelvin is, 290 K

Explanation :

S.I : It is known as the international System of Units. It is defined as a scientific method to express the magnitude of the several basics units.

There are seven basic units in the system from which the other units are derived.

The seven base unit are, meter for length, kilogram for mass, second for time, ampere for current, kelvin for temperature, mole for amount of substance and candela for intensity.

The conversion used for the temperature from degree Celsius to Kelvin is:

K=273.15+^oC

where,

K = temperature in Kelvin

^oC = temperature in centigrade

As we are given the temperature in degree Celsius is, 17

Now we have to determine the temperature in Kelvin.

K=273.15+^oC

K=273.15+(17^oC)

K=290.15K\approx 290K

Therefore, the temperature in Kelvin is, 290 K

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Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that
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