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Tanya [424]
3 years ago
8

How did the planets form?

Chemistry
2 answers:
blondinia [14]3 years ago
8 0
None of these answers are correct
lina2011 [118]3 years ago
4 0

Answer:

its b

Explanation:

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7 0
3 years ago
Which of the following examples shows an increase of energy in the particles of matter? (Select THREE that are true)
aleksley [76]
Gas to liquid solids are going to break the liquid
6 0
3 years ago
Find the percent composition of water in barium chloride dihydrate. Round your answer to the
nadya68 [22]

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Explanation:

7 0
2 years ago
Please anyone answer this question
Ainat [17]

Answer:

A, 18.4 and 34!

Explanation:

The Burette seems to have <em><u>~18.4</u></em> of the liquid? substance in it, and the Measuring Cylinder seems to have <em><u>~34</u></em> of the liquid? substance in it. <em><u>So, it is A!</u></em> :]

Hope this helps!!

7 0
3 years ago
A 25.0 mLsample of an acetic acid solution is titrated with a 0.175 M NaOH solution. The equivalence point is reached when 37.5
matrenka [14]

Answer:

0.263M of CH₃COOH is the concentration of the solution.

Explanation:

The reaction of acetic acid (CH₃COOH) with NaOH is:

CH₃COOH + NaOH → CH₃COO⁻Na⁺ + H₂O

<em>1 mole of acetic acid reacts per mole of NaOH to produce sodium acetate and water.</em>

<em />

In the equivalence point, moles of acetic acid are equal to moles of NaOH and moles of NaOH are:

0.0375L × (0.175 moles / L) = 6.56x10⁻³ moles of NaOH = moles of CH₃COOH.

As the sample of acetic acid had a volume of 25.0mL = 0.025L:

6.56x10⁻³ moles of CH₃COOH / 0.0250L =

<em>0.263M of CH₃COOH is the concentration of the solution</em>

3 0
3 years ago
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