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Naya [18.7K]
3 years ago
10

Make a prediction about the relative boiling points of the Noble gases

Chemistry
1 answer:
icang [17]3 years ago
6 0

boilng points would boil overAnswer:

Explanation:

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The information below is a description of a substance:
skelet666 [1.2K]

Answer:

A chemical change

Explanation:

7 0
3 years ago
calculate the number of moles of sulfuric acid that is contained in 250 mL of 8.500 M sulfuric acid solution
san4es73 [151]

Answer : The moles of H_2SO_4 are, 2.125 mole.

Explanation : Given,

Molarity of H_2SO_4 = 8.500 M

Volume of solution = 250 mL  = 0.250 L    (1 L = 1000 mL)

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

\text{Molarity}=\frac{\text{Moles of }H_2SO_4}{\text{Volume of solution (in L)}}

Now put all the given values in this formula, we get:

8.500M=\frac{\text{Moles of }H_2SO_4}{0.250L}

\text{Moles of }H_2SO_4=2.125mol

Therefore, the moles of H_2SO_4 are, 2.125 mole.

5 0
2 years ago
Which of the following characteristics of the pineal gland is not correct? A. The pineal gland is located in the brain, above th
Marina CMI [18]

Answer:

D

Explanation:

The pineal gland regulates salt and water levels.

4 0
3 years ago
What does velocity describe
White raven [17]
<span>Velocity describes the speed of an object and its direction of motion</span>
7 0
3 years ago
Read 2 more answers
Which of the following ions is formed when a base is dissolved in a solution?
Aneli [31]

Answer:

\huge\boxed{\sf OH-}

Explanation:

<u>According to Arrhenius concept of acid and base:</u>

"When a base in a solution, produces/yields OH- (Hydroxide) ions."

So, when a base is dissolved in a solution, it produces OH- ions.

<u>For example:</u>

NaOH ⇄ Na⁺ + OH⁻ (So, it is a base)

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
3 0
2 years ago
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