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navik [9.2K]
3 years ago
5

Middle school question pls answer, statistics

Chemistry
1 answer:
LenKa [72]3 years ago
7 0

i believe its B

Explanation:

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How many electrons are involved in one equivalent of oxidation-reduction?
kotegsom [21]

Answer:

1 electron is involved.

Explanation:

Hello,

In redox reactions, when therer's the necessity to know the involved equivalents, they equal the number of transferred electrons, in this case, since one equivalent is stated, one electron is transferred (involved).

Best regards.

3 0
4 years ago
List which observations were qualitative and which were quantitative. Quantitative data is something that can be measured such a
Luba_88 [7]

Answer:

Quantitative= The candle is 3 inches tall and has a diameter of 2 inches.

Qualitative=  odor, cold, hot, taste, texture, and appearance

Explanation:

Qualitative:

Qualitative properties are those that can be only observed but not measured in numerical values. These are observed through senses: touch, sight, smell, taste and hear.

For example:

Color, odor, brittleness, taste etc.

Quantitative:

Quantitative properties can be measured in numerical values.

For example:

Melting point, boiling point, conductivity, viscosity, density, hardness and solubility.

In short we can say that qualitative is a measure of quality while the quantitative is a measure of quantity.

8 0
4 years ago
Which of the following statements is true?
Shtirlitz [24]

Answer: Elements in the last period are radioactive.

Explanation:

8 0
4 years ago
Read 2 more answers
Calculate the mechanical advantage of a lever work five N of the input force is needed to move a 10 N box using a lever
tester [92]

Answer:

2

Explanation:

Mechanical Advantage (M.A) = Load/Effort....................................... (1)

Load = 10 N

Effort =  5 N

So substituting into equation (1), we have :

M.A =  10 N/5 N

       =  2

7 0
3 years ago
Which common material is an example of a polyamide?
Vlad1618 [11]

Nylon 6,6 is a common example of a polyamide.

<em>Polyamides</em> are polymers that contain <em>repeating amide (-CO-NH-) linkages</em>.

The structure of Nylon 6,6 is  

[-NH-(CH_2)_6-<u>NH-CO</u>-(CH_2)_4-CO-]_<em>n</em>

where <em>n</em> is a large number.

The numbers in the name showow that there are six carbon atoms on either side of an amide linkage.

5 0
3 years ago
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