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yarga [219]
3 years ago
7

Will Upvote!

Chemistry
2 answers:
Greeley [361]3 years ago
4 0
I would think energy has been transferred <span />
Degger [83]3 years ago
3 0

Answer:

B. Energy was transferred

Explanation:

All chemical and biochemical reactions release or absorb energy from the environment in some way. Every process of heat transfer between bodies, substances and the enviroment is also considered a process of energy transfer.

The processes that release heat are called exothermic and give us a feeling of warmth. This is the case, for example, with combustion.

On the other hand, the sensation of cold we feel when leaving a bath, or when we take an ice cube, is associated with endothermic processes. Such processes, like evaporation and fusion of water, for example, absorb heat from the environment and this can also be perceived by our body.

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The product of alpha decay of the Nobelium isotope 259No is
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Answer:

Nobelium is made by the bombardment of curium (Cm) with carbon nuclei. Its most stable isotope, 259No, has a half-life of 58 minutes and decays to Fermium (255Fm) through alpha decay or to Mendelevium (259Md) through electron capture.

Explanation:

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Nitrification happens in the
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This process naturally occurs in the environment, where it is carried out by specialized bacteria.

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How many atoms are in 1.50 moles of fluorine gas
evablogger [386]
1.8x10^24 atoms is How many atoms are in 1.50 moles of fluorine gas
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3 years ago
Which would be a good source to find weather information about your town from last month?
VLD [36.1K]

Answer:

a reference book about weather

Explanation:

6 0
3 years ago
(23.4m)(14m) rounded off to the correct number of significant figures
VARVARA [1.3K]

The value of the given expression up to correct significant figures is 330 m^2.

  • The rule that applies for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

  • The rule that applies for the addition and subtraction is :

The least precise number present after the decimal point determines the number of significant figures in the answer.

Given:

The expression: (23.4m)(14m)

To find:

The answer up to correct a number of significant figures.

Solution

Number of significant figures in '23.4' = 3

Number of significant figures in '14' = 22

=(23.4m)(14m)\\=(23.4m)\times (14m)\\=327.6 m^2

The number with the least significant figures is '14' is 2, so the answer will be reported up to 2 significant figures:

=327.6 m^2\approx 330 m^2

Number of significant figures in '330' = 3

The value of the given expression up to correct significant figures is 330 m^2.

Learn more about significant figures here:

brainly.com/question/11904364?referrer=searchResults

brainly.com/question/17177568?referrer=searchResults

 

5 0
2 years ago
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