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sergij07 [2.7K]
4 years ago
15

PLEASE HELP!!!!

Physics
1 answer:
kolezko [41]4 years ago
5 0
NaOH is the answer and also it is a mixture
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If the mass of a material is 87 grams and the volume of the material is 14 cm3, what would the density of the material be?
tresset_1 [31]

Answer:

6.214g/cm³

Explanation:

The question is on density of a material

Density=mass/volume

Given, mass=87grams   and volume= 14 cm³  density=?

Density=m/v 87/14 =6.214g/cm³

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3 years ago
Why is chopping carrots a physical change ?
astra-53 [7]

Answer: Chopping carrots is a chemical change because you aren't changing the property its substance, you are just chopping it up, there is no new substance being formed.

Explanation:

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4 years ago
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Does light have a shadow?
NeX [460]

Answer:

light itself doesn't have a shadow

Explanation:

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2 years ago
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If the number of unemployed workers is 19 million, the number in the working-age population is 500 million, and the unemployment
Darina [25.2K]

Answer:

The percentage of the population that is actively participating in the labor market, whether working or looking for a job, is 95% of the total working age population.

Explanation:

If the number of unemployed in a country is 19 million people, and that number represents an unemployment rate of 4%, to know the total number of economically active people in the country we must perform the following calculation:

(19,000,000 / 4) x 100 = X

475,000,000 = economically active population

However, the country has a working-age population of 500 million people, of which only 475 are actively participating in the labor market. To know the percentage that these 475 million people represent, we must perform the following cross multiplication:

500 = 100

475 = X

(475 x 100) / 500 = X

95 = X

The percentage of the population that is actively participating in the labor market, whether working or looking for a job, is 95% of the total working age population.

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3 years ago
What is the amount of energy required to raise the temperature of a 2.5 kg block of ice at
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Answer:

to melt 2 kg of ice 835.48 KJ of heat is required.

Explanation:

i hope this helps in anyways lol

4 0
3 years ago
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