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Nadya [2.5K]
3 years ago
7

What does the latent heat of fusion measure?

Chemistry
2 answers:
Leona [35]3 years ago
6 0

Answer:

The energy required to change the phase of a substance is known as a latent heat.

Explanation:

The energy require is Q= m L, where m is the mass of the substance and L is the specific latent heat of fusion or vaporisation which measures the heat energy to change 1 kg of a solid into a liquid. hope this helps you :)

svet-max [94.6K]3 years ago
4 0

Answer & Explanation:

The energy required to change the phase of a substance is known as a latent heat. ... The energy require is Q= m L, where m is the mass of the substance and L is the specific latent heat of fusion or vaporization which measures the heat energy to change 1 kg of a solid into a liquid.

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When bismuth-212 undergoes alpha decay, it becomes which of the following?
Iteru [2.4K]

Answer: -

When bismuth-212 undergoes alpha decay, it becomes ²⁰⁸Tl

Explanation: -

Mass number of ²¹²Bi = 212

Atomic number of ²¹²Bi = 83

When alpha decay occurs the mass number decreases by 4 and the atomic number decreases by 2.

Mass number of daughter = 212 - 4 = 208

Atomic number of daughter = 83 - 2 = 81

It is the atomic number of Thallium Tl.

Thus the daughter nucleide is ²⁰⁸Tl.

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2 years ago
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Dafna11 [192]

Answer:

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5.tie a string to an objeet that can lay accross the top and put just the string in ure mix

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3 years ago
Which of the following is an essential condition for a redox reaction?
rusak2 [61]
The oxidation of at least two atoms should change
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How many is too many
Rufina [12.5K]

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3 years ago
1) Ions are formed between positive or negative charge.
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Answer:

1. No 1 looks like a statement and not a question.

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3. The Formula would be K2S. Exchange of Radicals takes place. Sulphur has a -2 charge and potassium has a +1 charge. when they both exchange radicals... The compound is K2S.

4.Group 1 elements have only 1 electron in their outermost shell.

5. its charge will be +1 because it loses the 1 electron in its outermost shell.

6.Group 2 elements have 2electrons in their Valence shell.

7.Already answered. same as No 5.

8. Group 16;Also known as group 6. They have only 6 electrons in their outermost shell.

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ii) They are hard and brittle

iii) They have high boiling points

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3 years ago
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