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Andrew [12]
3 years ago
15

WHAT IS A ROCK?

Chemistry
2 answers:
Firdavs [7]3 years ago
6 0
A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorize by the minerals included, it’s chemical composition and the way in which it is formed.
Mars2501 [29]3 years ago
5 0
A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed
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Please describe the relationship between these pairs of compound as: isomers, identical, or unrelated
RUDIKE [14]
A.) CIS/Trans isomers
b.) constitutional isomers
c.) identical
d.) constitutional isomers
e.) identical

4 0
3 years ago
How many grams of Carbon are in sample of 400 grams of Co2?​
RoseWind [281]

Answer:

Mass of carbon = 109.1 g

Explanation:

Given data:

Mass of carbondioxide = 400 g

Mass of carbon = ?

Solution:

Molar mass of carbon = 12 g/mol

Molar mass of CO₂ = 44 g/mol

Mass of carbon in 400g of  CO₂:

Mass of carbon = 12 g/mol/44 g/mol × 400 g

Mass of carbon = 109.1 g

3 0
3 years ago
The pH of a solution is 2.0. Which statement is correct? Useful formulas include , , , and .
allsm [11]

Answer:

if the pH of a solution is 2.0 that means the solution would be acidic.

Explanation:

3 0
3 years ago
Ca(hco3)2 molecular formula calculated​
GrogVix [38]

Answer:

C2H2CaO6

Explanation:

Ca same

H × 2

C × 2

O3 × 2

I hope this helps you :)

7 0
3 years ago
An element has an atomic number of 18 and an atomic mass of 40. The number of neutrons in the nucleus of an atom of this element
Vikentia [17]

Answer: 22 neutrons

Explanation: 40 is the mass number = atomic mass = total number of protons and neutrons in atomic nucleus

18 is the number of protons in the nucleus of this atom

Then 40 - 18 = 22 neutrons

and this is Argon

7 0
3 years ago
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