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lubasha [3.4K]
3 years ago
14

The elements helium and xenon are all part of the same ​

Chemistry
1 answer:
aliya0001 [1]3 years ago
3 0
They are both in the same family/group.
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An object has a density of 10.00 g/mL. If the object has a volume of<br> 25.00 ml, what is the mass?
SVEN [57.7K]

Answer:

The answer is

<h2>250 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of object = 25 mL

Density = 10 g/mL

The mass of the object is

mass = 25 × 10

We have the final answer as

<h3>250 g</h3>

Hope this helps you

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What does every atom of the same element have in common
VikaD [51]
All atoms of the same element have the same
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skelet666 [1.2K]

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If a solution has a pH of 2, what is the hydroxide ion concentration?
murzikaleks [220]

Answer:

A

Explanation:

14=pH + pOH

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pOH= 12

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