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valentina_108 [34]
2 years ago
9

What causes the "heat island" effect?

Chemistry
1 answer:
Arada [10]2 years ago
6 0
D all of the above answers are correct
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Please i need your help asap!
denis23 [38]

Answer:

Density is mass over volume.

Explanation:

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2 years ago
Why is it important to have the International System of Units?
omeli [17]
<span>It can be used by scientists everywhere its important to have the International System of Units.</span>
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3 years ago
12 POINTS!!!! Consider the diagram. Which postulate of the kinetic-molecular theory best describes the event in the diagram?
podryga [215]
The separation of molecules. I wouldn't put that if i were you.
8 0
3 years ago
Read 2 more answers
What is the empirical formula for CaCo3?*
GalinKa [24]

This problem is requiring the empirical formula for CaCO₃, which is its molecular formula, and turns out to be equal, this is A. CaCO3 according to the following:

<h3>Empirical formulas:</h3><h3 />

In chemistry, molecular formulas show both the actual type and number of atoms in a chemical compound, based on the elements across the periodic table and the subscripts standing for the number of atoms in the compound.

However, the empirical formula is a reduced expression of the molecular one, which shows the minimum number of atoms in a compound after simplifying to the smallest whole numbers.

In such a way, since the given compound is CaCO₃ and both Ca and C have a one as their subscript, it is not possible to simplify any further and therefore the empirical formula equals the molecular one this time, making the answer to be A. CaCO3.

Learn more about empirical formulas: brainly.com/question/1247523

5 0
2 years ago
Elements symbol
Marat540 [252]
1) H
2) He
3) Li
4) Be
5) B
6) C
7) N
8) O
9) F
10) Ne
11) Na
12) Mg
13) Al
14) Si
15) P
16) S
17) Cl
18) Ar
19) K
8 0
2 years ago
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