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Ahat [919]
3 years ago
14

Which number shows the magma chamber? O 1 O 2 O 3 O4

Chemistry
2 answers:
Snezhnost [94]3 years ago
8 0

Answer:

the answer would be 1

Explanation:

Lorico [155]3 years ago
7 0

Answer:A

Explanation:

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The percentage of water vapor present in the air compared to that required for saturation is the ____. a. mixing ratio b. relati
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Answer:

B. Relative Humidity

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4 years ago
Which one of these statements about cell division is not accurate?
Masja [62]
The answer is b damaged tissue can not be repaired
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4 years ago
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(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

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5 0
3 years ago
Examine the reactants of the incomplete synthesis reaction. 2Mg + O2 → __________.
Vladimir79 [104]
2MgO
This is called redox reaction. Oxygen is the oxidizing agent to receive 2 electrons from Mg.
Mg is the reducing agent to give 2 electrons to O.
Mg becomes Mg2+ and O becomes O2-. These 2 ions form an ionic structure called MgO
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3 years ago
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Does standard enthalpy use net ionic equations?a. Trueb. False
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Answer:

True

Explanation:

In an ionic reaction, the net ionic equation is used to calculate the standard enthalpy of reaction.

Hence the standard enthalpy of any ionic reaction can be obtained by considering its balanced net ionic reaction equation, hence the answer above.

3 0
3 years ago
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