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Anna [14]
3 years ago
15

What compound/element is this? (Easy)

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:

C₃H₆ propene

Explanation:

Find the chemical formula by adding all the carbon and then all the hydrogen together.

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When large masses of magma solidify very slowly far below earths surface, they form igneous rocks that have a ___?
evablogger [386]

The answer is; D,

Because these rocks cool slowly, the rocks are able to form large crystals hence giving the rock a coarse texture. These crystals are big enough to be viewed with the unaided eye. The opposite is extrusive rocks that form on the surface of the earth. These cool rapidly and form fine-grained textured rocks because of the small crystals formed during the rapid cooling process.


4 0
3 years ago
Mole Conversion: How many atoms are in 0.830 moles of gold? ​
denis23 [38]

Answer:

<h2>4.99 × 10²³ atoms</h2>

Explanation:

The number of atoms of gold can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 0.83 × 6.02 × 10²³

We have the final answer as

<h3>4.99 × 10²³ atoms</h3>

Hope this helps you

6 0
3 years ago
Pllllllllzzzz help I really need it
Oksana_A [137]
Solid to gas sublimation
Gas to solid deposition 
Liquid to gas Evaporation
Gas to liquid Condensation 
Liquid to Solid Freezing 
Solid to liquid Melting

5 0
3 years ago
What happens to the rate of evaporation of a liquid as the liquid is cooled?
user100 [1]

Answer:

The rate of evaporation decreases, or slows down

Explanation:

8 0
3 years ago
What kind of energy can be transferred?<br><br> Help quick please.
defon

Answer:

Any kind, as long as there is an action.

7 0
3 years ago
Read 2 more answers
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