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Kryger [21]
3 years ago
14

Look at this graph:

Chemistry
1 answer:
ira [324]3 years ago
4 0
The slope is 3/2
3 over 2

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Which of these properties of an unknown liquid can be found using a beaker, a hot plate, and a temperature probe?
alexandr1967 [171]

I think it is H. Boiling Point

7 0
3 years ago
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How many molecules are present in 4.21 moles of HBr?​
salantis [7]

Answer:

The answer is

<h3>2.53 × 10²⁴ molecules</h3>

Explanation:

The number of molecules present 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 = 4.21 × 6.02 × 10²³

We have the final answer as

<h3>2.53 × 10²⁴ molecules</h3>

Hope this helps you

6 0
3 years ago
Chlorine has two isotopes, 35Cl and 37Cl; 75.77 % of chlorine is 35Cl and 24.23 % is 37Cl. The atomic mass of 35Cl is 34.969 amu
storchak [24]

Answer:

35.4528731 amu

Explanation:

To appropriately get the atomic mass unit of chlorine, we can get the answer using the masses from the isotopes. This can be obtained as follows. What we do is that we multiply the percentage compositions by the masses.

Now let’s do this.

[75.77/100 * 34.969] + [24.23/100 * 36.966]

= 26.4960113 + 8.9568618 = 35.4528731

3 0
4 years ago
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Is this True or false?
kherson [118]

Answer:

true

Explanation:

7 0
3 years ago
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Why is the stability of a compound considered a chemical property?
Tcecarenko [31]
Chemical property is the ability of a substance to react with other substances or to transform into other substances. The stability of a compound indicates how much it "prefers" to remain as such or to get transformed. Then the stability is a chemical property.
3 0
3 years ago
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