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Komok [63]
3 years ago
15

Which of the following is not a base? A: NH3 B. NaOH C. H3C6H5O7 D. KOH

Chemistry
2 answers:
olga2289 [7]3 years ago
7 0
I think that C is the answer.....
irina1246 [14]3 years ago
7 0

Answer: Option (C) is the correct answer.

Explanation:

A base is a substance or specie that contains a lone pair of electron or a hydroxyl group, that is, OH group.

For example, NH_{3}, NaOH, and KOH are all bases.

But H_{3}C_{6}H_{5}O_{7} is not a base because there is no lone pair of electron and no hydroxyl group.

Thus, we can conclude that out of the given options H_{3}C_{6}H_{5}O_{7} is not a base.

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A 40-lb container of peat moss measures 14× 20× 30 in. A 40-lb container of topsoil has a volume of 1.9 gal. Calculate the avera
Viktor [21]

The average density of the peat moss in units of g/cm³ is 2.52 g/cm³

<h3>How to convert 40 lb to grams (g)</h3>

We'lol begin by converting 40 lb to grams (g). This can be obtained as follow:

1 lb = 453.592 g

Therefore,

40 lb = (40 × 453.592) / 1 lb

40 lb = 18143.68 g

<h3>How to convert 1.9 gal to cm³</h3>

We can convert 1.9 gal to cm³ as follow:

1 gal = 3785.41 cm³

Therefore,

1.9 gal = (1.9 gal × 3785.41 cm³) / 1 gal

1.9 gal = 7192.279 cm³

<h3>How to determine the density </h3>

The density can be obtained as follow:

  • Mass = 18143.68 g
  • Volume = 7192.279 cm³
  • Density =?

Density = mass / volume

Density = 18143.68 / 7192.279

Density = 2.52 g/cm³

Learn more about density:

brainly.com/question/952755

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8 0
2 years ago
Which of the following is an example of radiation?
Lapatulllka [165]
I believe the best answer to that question wud be D. I cud b wrong 
5 0
3 years ago
Moving water carrying away small
kondaur [170]

Answer:

erosion:)

Explanation:

7 0
3 years ago
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PLZ HELP!!
Nataly [62]

A and B are experiencing winter. The picture which isn't available here in this question is attached below.

Option C.

<h3><u>Explanation:</u></h3>

The earth is tilt by an angle of 23.2° to the vertical plane. This makes the seasonal variation of earth, because in some time of the year, the northern hemisphere faces the sun directly, experiencing summer and then southern hemisphere is away from summer experiencing winter and vice versa. The summer occurs when the place directly faces the sun. And the winter happens when the place obliquely faces the sun or doesn't face the sun at all.

Here in this diagram, we can see that the points A and B are the north pole and the part in northern hemisphere respectively which aren't facing the sun directly, whereas C and D are facing the sun. Thus the southern hemisphere is experiencing summer and the northern hemisphere the winter.

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3 years ago
Hot water is poured into four cups made of different materials (foam, glass, metal, plastic).After one minute, which will feel t
Marta_Voda [28]
The answer to this is metal
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3 years ago
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