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Hitman42 [59]
2 years ago
8

Compounds have two or more atoms and the atoms can be the same element true or false

Chemistry
1 answer:
mel-nik [20]2 years ago
4 0

Answer:

i think its false because

Explanation:

compounds are made of two or more atoms of <u>different</u> elements

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The process to separate the various components of a liquid mixture is called a fractional distillation true false
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Answer:

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8 0
2 years ago
explain why samples of gold and copper can have the same extensive properties, but not the same intensive properties
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Extensive properties, as volume and mass, depend on the amount of material. So, you can have a sample of gold and a sample of copper with the same volume as long as you have different amount of each one.

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3 0
3 years ago
Determine how many ml of water you need to remove, by evaporation, if you have a 500 ml of 10.20 M HNO3 dilute solution and you
Ludmilka [50]

The total volume of water that would be removed will be 75 mL

<h3>Dilution equation</h3>

Using the dilution equation:

M1V1 = M2V2

In this case, M1 = 500 mL, V1 = 10.20 M, M2 = 12 M

Substitute:

V2 = 500 x 10.20/12

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The final volume in order to arrive at 12 M HNO3 would be 425 mL from the initial 500 mL. Thus, the total amount of water that will be removed by evaporation can be calculated as:

500 - 425 = 75 mL

More on dilution can be found here: brainly.com/question/7208939

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It mean it consisted of 1 g of lead and 0.077 g of O2.
divide these numbers by molar mas.
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0.077/16= 0.004 O /0.004 =1
Pb3O

3 0
2 years ago
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