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aev [14]
3 years ago
14

A rock is an of minerals.

Chemistry
2 answers:
Natasha_Volkova [10]3 years ago
5 0
Rocks are minerals, made up of many minerals. There are 3 types of rocks which are Igneous, Sedementary, and Metamorphic.
Finger [1]3 years ago
4 0

Answer:

a rock can be composed by many minerals

Explanation:

these are some tipes of rocks

igenious

metamorphic

sedimentary

(if this is not wat u want then tell me pls so i can help :)

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A chemical equation is shown: C2H4 + O2 → CO2 + H2O According to the law of conservation of mass, how many atoms of oxygen exist
astraxan [27]

Answer:

6 oxygens on the product side

Explanation:

1) balance the equation:

C2H4 + 3O2 → 2CO2 + 2H2O

2) calculate the number of oxygens on the product side

2CO2=4

2H2O=2

6 0
3 years ago
The angle between the horizon and the sun is <br>a.large <br>b.small<br>at both sunrise and sunset​
Inessa [10]

Answer: b

Explanation:

6 0
3 years ago
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What is the most soluble salt of the following set? What is the most soluble salt of the following set?
DiKsa [7]

Answer:

(c) AgCN\ (K_{sp} =6.0\times 10^{-17})

Explanation:

The solubility product of a solid is the amount of solid dissociates into its respective ions in the solution. Thus more the value of the Ksp, the more is the salt soluble in the solvent.

So,  Given that:-

Sn(OH)_2\ (K_{sp} =1.6\times 10^{-19})

Al(OH)_3\ (K_{sp} =1.9\times 10^{-33})

AgCN\ (K_{sp} =6.0\times 10^{-17})

Fe(OH)_3\ (K_{sp} =2.6\times 10^{-39})

The salt having highest value of Ksp is AgCN. So, it is most soluble.

4 0
3 years ago
Please help me with this I need this now
vodka [1.7K]

Answer:

C.

Explanation:

We get it from the food we eat by mixing it with fluids. Also, you can always look up the answer.

Hope this helps! :) Plz mark as brainliest!

7 0
3 years ago
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All samples of a specific substanice have the same chemical<br> composition<br> TRUE<br> FALSE
Nina [5.8K]

Answer:

true

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8 0
3 years ago
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