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2 years ago

13

Which equation is a nuclear fusion reaction? Explain.

2 answers:

andrew-mc [135]2 years ago

4 0

Explanation:

8% 9:30 pm The binding energy B is the energy associated with the mass difference between the Z protons and N neutrons considered separately and the nucleons bound together (Z+N) in a nucleus of mass M. The formula is B = (Zm, + Nm, - M)c², where mp and m, are the proton and neutron masses and c is the speed of light.

Levart [38]2 years ago

4 0

Answer:

The formula is B = (Zmp + Nmn − M)c2, where mp and mn are the proton and neutron masses and c is the speed of light.

Explanation:

This is all I can do to help you and make up to you but at times learn to ask your Teachers if you don't understand anything Okay and don't rely on the internet please . Thank you

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Convert 2.39 x 1022 molecules of water into moles of water

torisob [31]

Answer:

$0.0397\ \text{mol}$

Explanation:

Number of molecules of water = $2.39\times 10^{22}$

$N_A$ = Avogadro's number = $6.022\times 10^{23}\ \text{mol}^{-1}$

Number of moles is given by

$\dfrac{2.39\times 10^{22}}{6.022\times 10^{23}}$

$=0.0397\ \text{mol}$

The number of moles of water is $0.0397\ \text{mol}$ .

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2 years ago

2. Metals react with water and release hydrogen gas. Explain why non-metals do not release hydrogen gas when reacted with water.

Phantasy [73]

Answer:

Its because non-metals are unable to break the bond between the H and O ion and cannot reduce hydrogen by donating electrons

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1 year ago

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The answer Is either C or D

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2 years ago

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The electromagnetic force is attractive for unlike charges and repulsive for like charges

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3 years ago

Read 2 more answers

How many moles (of molecules or formula units) are in each sample?

Alexus [3.1K]

The number of moles in each sample will be 0.391 moles, 30.7 moles, 0.456 moles, and 1350 moles

<h3>What is the number of moles?</h3>

The number of moles of a substance is the ratio of the mass of the substance to the molar mass.

In other words; mole = mass/molar mass.

Thus:

moles of 18.0 g $NO_2$ = 18.0/46

= 0.391 moles

moles of 1.35 kg $CO_2$ = 1350/44

= 30.7 moles

moles of 46.1 g $KNO_3$ = 46.1/101.1

= 0.456 moles

moles of 191.8 kg $Na_2SO_4$ = 191800/142

= 1350 moles

More on the number of moles of substances can be found here: brainly.com/question/1445383

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1 year ago