3 years ago

Why can't all mixtures be classified as solutions?

Chemistry

1 answer:

natulia [17]3 years ago

6 0

Answer is: Not all mixtures have solutes and solvents.

Solution is homogeneous mixture composed of two or more substances.

In aqueous solution, solvent is water and solute (for example salt) is a substance dissolved in water.

Homogeneous solution of salt and water can be separated with heating (evaporating the water).

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How do you scientist learn about the moon in other planets

Citrus2011 [14]

Answer:NASA's Lunar Atmosphere and Dust Environment probe, for instance, orbits the moon and collects information about its atmosphere and surface. This important data can help scientists learn more about moons, asteroids and other objects in the solar system.

Explanation:

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3 years ago

What are some differences between insect larvae and worms?

kirill115 [55]

A worm is very slimy than a insect larva

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3 years ago

Read 2 more answers

A block of aluminum weighs 50.0g it's density is 2.70 g/cm3 what is the volume of a block

Studentka2010 [4]

Answer:

18.51g/cm³

Explanation:

Mass=50.0g

Density =2.7g/cm³

Volume =Mass/Density

Volume =50/2.7

Volume =18.51g/cm³

4 0

3 years ago

Mass=35g, density=5g/cm3. what is the volume?

nevsk [136]

Answer:

7 cm^3

Explanation:

Density = Mass/Volume

5 = 35/x

multiply both sides by x to get

5x = 35

then divide by 5

so x = 7 cm^3

8 0

2 years ago

The element californium (cf) sells for $1000 per µg. assuming 6.02 x 1023 atoms of cf have a mass of 251 grams, how many atoms o

saveliy_v [14]

Answer:- $2.40*10^1^0atoms$

Solution:- It is a simple unit conversion problem. We could solve this using dimensional analysis.

We know that, 1 US dollar = 100 cents

1 cent = 1 US penny

So, 1 US dollar = 100 US pennies

$1g=10^6\mu g$

Let's make the set up starting with 1 penny as:

$1penny(\frac{$1}{100pennies})(\frac{1\mu g}{$1000})(\frac{1g}{10^6\mu g})(\frac{6.02*10^2^3atoms}{251g})$

= $2.40*10^1^0atoms$

Therefore, we can bye $2.40*10^1^0atoms$ of Cf in one US penny.

3 0

3 years ago