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irakobra [83]
3 years ago
13

What hybridization is predicted for the nitrogen atom in the NO3– ion? sp2 d2sp3 dsp3 sp3 None of these choices are correct.

Chemistry
1 answer:
den301095 [7]3 years ago
5 0

Answer: sp2

Explanation:

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Emily wanted to see what battery lasted the longest. She put each battery into a clock and recorded the time that the clock stop
Andru [333]

Answer:

independent variable -- different batteries

dependent variable -- the time that clock stop

Explanation:

In an experiment or a research study, there are two type of variables that can affect the result of the experiment or the conclusion. They are independent variable and the dependent variable.

An independent variable may be defined as that variable in an experiment which can be changed or can be controlled in the scientific experiment in order to test the effect on the dependent variable. It cannot be changed by other variables.

On the other hand, dependent variable are those are those which can be altered or change that can affect the experiment.

In the context, Emily uses  the different types of the batteries as an independent variable and the time where the clock stopped in the dependent variable in her research.

6 0
3 years ago
Which of the following compounds has the general formula X3Y2?Which of the following compounds has the general formula X3Y2?
prisoha [69]

There are no above options to choose from so I am giving an example of a X3Y2 formula which is Magnesium nitride, the formula is Mg3N2.

6 0
2 years ago
What might go wrong while heating a substance<br> with a candle?
GaryK [48]

Answer:

the wax melts

Explanation:

because i don't know

7 0
2 years ago
Read 2 more answers
What happens chemically when quick lime is added to water?
sineoko [7]

Answer:

CaO + H20 => Ca(OH)2

Explanation:

quick lime ia a oxyde and when it reacts with water it gives hydroxide

5 0
3 years ago
Read 2 more answers
K forms the compound K2O , which is an ionic compound that is brittle. Identify another element, M , that is likely to form a br
meriva

The metal is sodium, Na.

<u>Explanation:</u>

K₂O is an ionic compound in which K is in the oxidation state of +1 and it belongs to group 1.

Group 1 elements also form oxides with the metals with the general formula M₂O and M being Na, K, Li and so on.

Metals Like sodium and Potassium are so brittle in nature and also their oxides.

So the other metal that form metal oxide which is brittle as well as ionic in nature, and so the metal oxide is Na₂O.

So the metal is sodium, Na.  

4 0
3 years ago
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