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strojnjashka [21]

2 years ago

9

In what sense is peace necessary for education?

2 answers:

deff fn [24]2 years ago

6 0

Answer:Peace can help achieve the right to basic quality education. Peace education helps young people gain knowledge, enhance their skills in the area of peace, and form an attitude about the meaning of peace in human life. Peace education prevents the emergence of conflicts and creates conditions for peace in the world

Explanation:

olchik [2.2K]2 years ago

4 0

It helps people to focus more. If there is ruckus then you cannot easily focus

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If you are given 1.709 moles of solute, and you dilute it to make 2.10 liters of solution, what is the resulting molarity (M)? (

azamat

Moles/MxL

1.709moles/2.10L =<span>0.814M</span>

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3 years ago

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raketka [301]

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3 years ago

If you had a sample containing 55 alpha particles, how many protons would be present in that sample? Show all necessary work.

arlik [135]

An alpha particle is a helium nucleus without the electrons - 2 neutrons and 2 protons.

So, all you would have to do is 2 x 55, which equals 110.

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3 years ago

A 0.8115 g sample of HCl was placed into a 50 mL volumetric flask and the sample was thoroughly dissolved in water to make 50 mL

inysia [295]

Answer:

Molarity of NaOH solution is 1.009 M

Explanation:

Molar mass of HCl is 36.46 g/mol

Number moles = (mass)/(molar mass)

So, 0.8115 g of HCl = $\frac{0.8115}{36.46}moles$ HCl = 0.02226 moles HCl

1 mol of NaOH neutralizes 1 mol of HCl.

So, if molarity of NaOH solution is S(M) then moles of NaOH required to reach endpoint is $\frac{S\times 22.07}{1000}moles$

So, $\frac{S\times 22.07}{1000}=0.02226$

or, S = 1.009

So, molarity of NaOH solution is 1.009 M

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2 years ago

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lana66690 [7]

The answer is 1.164451827 moles

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2 years ago