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Advocard [28]
3 years ago
8

The rate at which a candle burns in millimeters per minute is?

Chemistry
2 answers:
zalisa [80]3 years ago
7 0
The answer is C. quantitative
Serga [27]3 years ago
5 0

It would be C / Quantitative

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How many hydrogen atoms are attached to each carbon adjacent to a double bond? nurition?
larisa [96]
That depends. there are 2 possible answers.
      H
C - C = C - H gives a different answer on the right than on the left.

One the left side, the second Carbon is attached to a double bond and has but one hydrogen attached to it.

The Carbon on the right of the double bond has 2
     H
C- C = C - H
            H

I'm not sure what you should put. It's one of those things that I would repeat my argument and submit it.
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bulgar [2K]

8xc take away 8xExplanation:

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What is the symbol for the element that has 12 protons,14 neutrons, and 12 electrons
Citrus2011 [14]

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6 0
3 years ago
When calcium metal (Ca) reacts with oxygen gas (O2), it produces the ionic compound calcium oxide (CaO). Write the balanced equa
malfutka [58]

The balanced chemical equation for the reaction is

2Ca(s) + O₂(g) → 2CaO(s)

and

The process meets the requirements to be considered a redox reaction.

From the question,

We are to write a balanced chemical equation for the reaction between Calcium metal and oxygen gas

The balanced chemical equation for the reaction is

2Ca(s) + O₂(g) → 2CaO(s)

This is the balanced chemical equation for the reaction

To determine whether the reaction meets the requirements to be considered a redox reaction,

We will define the term <em>redox reaction</em>

<em></em>

A <em>redox reaction</em>, also called oxidation-reduction reaction, is any chemical reaction in which the oxidation number of a participating chemical species changes.

From the balanced equation above we can observe that the oxidation number of the participating species(Calcium and oxygen) changed.

The oxidation number of Calcium changed from 0 to +2

and

The oxidation number of Oxygen changed from 0 to -2

∴ The process meets the requirements to be considered a redox reaction.

Hence, the balanced chemical equation for the reaction is

2Ca(s) + O₂(g) → 2CaO(s)

and

The process meets the requirements to be considered a redox reaction.

Learn more here: brainly.com/question/17716543

7 0
2 years ago
1. What is the oxidation number of sulphur in Na2S2O8<br> A-9<br> B. -7<br> C. +7<br> D. +14
butalik [34]

Answer:

<h2>Hereis the correct answer </h2>

(A.-9)

Explanation:

<h3>STUDY CORRECTION. </h3>
6 0
2 years ago
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