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mars1129 [50]
4 years ago
12

Tiene los 4 lados iguales y los 4ángulos rectos.​

Chemistry
1 answer:
azamat4 years ago
7 0
Square espero que eso te ayude!
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You decide to establish a new temperature scale on which the melting point of ammonia (-77.75 ∘c) is 0∘a, and the boiling point
Hoochie [10]
First we need to know that the boiling point of water in C is 100 and we just need to solve for x in the equation:

-33.75-(-77.75) / 100 = 100-(-77.75) / x
44.4/100 = 177.75 / x
 x = 177.75*100/44.4 = 400.33

The boiling point of water in ∘a would be 400.33∘a.

7 0
3 years ago
Read 2 more answers
Question 7 (5 points)
Serggg [28]

Answ  Es la B .

Explanation

By raising the temperature of a liquid, it turns into a gas, therefore its particles will have more movement and its kinetic energy will increase. the more you raise the temperature, the more space they will have between the molecules.

4 0
3 years ago
Compared to the energy and charge of the electrons in the first shell of a Be atom, the electrons in the second shell of this at
Zolol [24]

Answer:

4. More energy and a different charge.

3 0
3 years ago
An unknown liquid has a mass of 30.8 g, and a volume of 31.5 mL. What is the density of this liquid?
julsineya [31]

The density of the liquid is 0.98 g/mL

<h3>What is density? </h3>

The density of a substance is defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as:

Density = mass / volume

With the above formula, we can obtain the density of the liquid.

<h3>How to determine the density </h3>
  • Mass = 30.8 g
  • Volume = 31.5 mL
  • Density =?

Density = mass / volume

Density of liquid = 30.8 / 31.5

Density of liquid = 0.98 g/mL

Learn more about density:

brainly.com/question/952755

3 0
2 years ago
Where is chemistry used?
Lorico [155]
You can find chemistry in daily life in the foods you eat , the air you breathe , and cleaning chemicals . For example , chemistry holds the explanation for why ice floats , while most substances sink when they freeze .
5 0
4 years ago
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