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goldfiish [28.3K]
1 year ago
8

Deuterium is an isotope of hydrogen. The nucleus of a deuterium atom consists of one proton and one neutron. When two deuterium

nuclei fuse, helium-3 is formed, and a neutron is emitted. Which equation illustrates this process?
2 upper H subscript 2 plus upper o subscript 2 right arrow 2 upper H subscript 2 upper O.

2 superscript 2 subscript 1 upper H right arrow superscript 3 subscript 1 H plus superscript 1 superscript 1 H.

2 superscript 1 subscript 1 upper H right arrow superscript 2 subscript 1 H plus superscript 0 subscript 1 e.

2 superscript 2 subscript 1 upper H right arrow superscript 3 subscript 2 upper H e plus superscript 1 subscript 0 n.
Chemistry
2 answers:
REY [17]1 year ago
7 0

Answer:

Answer D

Explanation:

Just took the test

PolarNik [594]1 year ago
3 0

<u>Answer:</u> The nuclear fusion reaction of two deuterium nucleus to form He-3 nucleus is _1^2\textrm{H}+_1^2\textrm{H}\rightarrow _2^3\textrm{He}+_0^1\textrm{n}

<u>Explanation:</u>

Nuclear fusion reactions are defined as the reaction in which, two or more lighter atoms combine to form a heavier atom. The number of atoms formed in this reaction decreases from the given atoms.

The nuclear equation for the fusion of two deuterium nucleus follows:

_1^2\textrm{H}+_1^2\textrm{H}\rightarrow _2^3\textrm{He}+_0^1\textrm{n}

Hence, the nuclear fusion reaction of two deuterium nucleus is given above.

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(a) What are the possible values of l for n = 4? (Enter your answers as a comma-separated list.)
vodka [1.7K]

Answer:

(a) 0,1,2,3      (b) -3,-2,-1,0,1,2,3              (c) 6               (d) 5

Explanation:

(a) for the principal quantum number 'n', the possible values of I = 0 to n-1. Thus, if the principal quantum number 'n' =4, I = 0,1,2,3.

(b) for a given number of 'I', the possible values of ml = -I to +I. Therefore, if I =3, then ml = -3,-2,-1,0,1,2,3

(c) 'I' which is the orbital angular momentum quantum number usually has values from 0,1,2,⋯,n−1. Therefore, for n greater than or 6, t would be greater than or equal to 5. Thus, the smallest possible value of n for which I can be 6 is 6.

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mħ = -5ħ, -4ħ, -3ħ, -2ħ, -1ħ, 0, 1ħ, 2ħ, 3ħ, 4ħ, 5ħ.

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2 years ago
A proton transfer reaction can occur when an aldehyde is placed in strong base, such as an alkoxide ion, producing an alcohol an
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Hi, you have not provided structure of the aldehyde and alkoxide ion.

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The hydrogen atom attached to the carbon atom adjacent to aldehyde group are most acidic. Hence they are removed by alkoxide preferably.

After removal of proton from aldehyde, a carbanion is generated. As it is a conjugated carbanion therefore the negative charge on carbon atom can conjugate through the carbonyl group to form an enolate which is another canonical form of the carbanion.

All the structures are shown below.

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<span><u>PA to PB 100 pm to the left of the nucleus, along the -x axis.</u>
<u>100 pm below the nucleus along the -z axis.</u>

PAPB 100 pm in front of the nucleus, along the -y axis. 100 pm behind the nucleus, along the +y axis.

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1 year ago
Enter your answer in the provided box. An industrial chemist introduces 2.0 atm of H2 and 2.0 atm of CO2 into a 1.00−L container
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Answer: 0.0944 gram of H2

Explanation:

Raising the T from 25 C (298 K) to 700 C (973 K) increases the pressure of each gas by:

2.0 atm x (973 K / 298 K) = 6.53 atm

Where

Kc = Kp because the moles of product equals the moles of reactants.

At equilibriuim, the amounts are

P(H2) = 6.53 - x

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P(H2O) = x

P(CO) = x

Kc = Kp = .534 = (x)(x) / [(6.53 - x)(6.53 - x)]

Take the square root of each side

(.534)^0.5 = x / (6.53 - x)

x = 0.731 (6.53 - x)

x = 4.77 - 0.731x

1.731x = 4.77

x = 4.77 / 1.731 = 2.76 atm

P(H2) at equilibriuim = 6.53 - 2.76 = 3.77 atm

P(CO2) at equilibrium = 6.53 - 2.76 = 3.77 atm

PV = nRT

n = PV/RT = [(3.77 atm)(1.00 L)] / [(0.08206 L atm/K mol)(973 K)] = 0.0472 mol H2

0.0472 mol H2 x (2.00 g / 1.00 mol) = 0.0944 g

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2 years ago
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