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Elden [556K]
3 years ago
8

What do we need to survive and how long for

Chemistry
2 answers:
ludmilkaskok [199]3 years ago
8 0
You need food for surviving
nevsk [136]3 years ago
4 0
To survive you would need 

- Lots of water 
- Lots of food 
- Shelter 

Hope this helped!

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What are some ways the stars in the photo could be grouped or classified
Inessa05 [86]
Astronomers classify stars according to their physical characteristics. Characteristics used to classify stars include color, temperature, size, composition, and brightness. Stars vary in their chemical composition.
8 0
3 years ago
A solution of AgNO3 contains 29.66 g of solute in 100.0 mL of solution. What is the molarity of the solution
Julli [10]

Answer:

1.7 M

Explanation:

Given data:

Mass of AgNO₃ = 29.66 g

Volume of solution = 100 mL (100/1000 = 0.1 L)

Molarity of solution = ?

Solution;

Number of moles of AgNO₃:

Number of moles = mass/ molar mass

Number of moles = 29.66 g/ 169.87 g/mol

Number of moles = 0.17 mol

Molarity of solution:

Molarity =  moles of solute / volume of solution in L

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6 0
3 years ago
In addition to DNA, what else is
Pepsi [2]

Answer: ribosomes and membranes.

Explanation:

4 0
2 years ago
¿Qué volumen ocuparán 12 g de hierro?
sasho [114]

Answer:

        \large\boxed{\large\boxed{volume=1.5cm^3}}

Explanation:

Translation:

  • <em>What volume will 12g of iron occupy?</em>

<em></em>

<h2>Solution</h2>

<em />

<em>Iron</em> is a solid substance at room temperature. You can find the <em>volume</em> of solids (and of not solids) using the density.

      Density=\dfrac{mass}{volume}

You can obtaindthe density of most pure substances in the internet. The density of<em> iron</em> at room temperature is 7.874 g/cm³.

Thus, substituting in the formula, you get:

      7.874g/cm^3=\dfrac{12g}{volume}\\ \\ \\ volume=\dfrac{12g}{7.874g/cm^3}\\ \\ \\ volume=1.5cm^3

The answer is rounded to two significant figures because the input, 12g, has two significant figures.

8 0
3 years ago
Solids, liquids, and gases are three common states of matter. in which of these physical states would a water molecule likely ha
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The States of Matter are classified into solid, liquid, and gas. Among these physical states, if we are going to refer to the water molecules, the one that would possess the greatest energy is gas. If you would take the energy of gas, this would become liquid. The answer is option C.
8 0
3 years ago
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