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pantera1 [17]
3 years ago
15

A hydrogen molecule is: a Polar b Covalent C Non-polar d Both B and C

Chemistry
1 answer:
stellarik [79]3 years ago
4 0

Explanation:

both b and c since it can be both

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A period of the life cycle during which positive nitrogen balance is most likely to occur is:__________
NemiM [27]

The period of the life cycle during which positive nitrogen balance is most likely to occur is childhood.

<h3>What is nitrogen balance?</h3>

The term nitrogen balance refers to the fact that there is a balance between the intake and the loss of nitrogen. The intake of nitrogen occurs when a person takes in food that contain proteins which are a rich source of nitrogen in the body and helps in the process of the build up of the cells in the body.

The period of the life cycle during which positive nitrogen balance is most likely to occur is childhood.

Learn more about nitrogen balance:brainly.com/question/14570903

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2 years ago
Assume that the reaction of aqueous hydrobromic acid solution and potassium hydroxide base undergoes a complete neutralization r
Tamiku [17]

Answer:

a.

HBr + KOH → KBr + H  _{2} O

b.

1000 \: ml \: contains \: 0.685 \: moles \\ 55.4 \: ml \: contains \: ( \frac{55.4 \times 0.685}{1000} ) \\  = 0.038 \:moles \\ 1 \: mole \: of \: hydrobromic \: acid  \: produces \: 1 \: mole \: of \: water \\ 0.038 \: moles \: produce \: (0.038 \times 1) \\  = 0.038 \: moles \\ 1 \: mole \: of \: water \: weighs \: 18 \: g \\ 0.038 \: moles \: weighs \: (0.038 \times 18) \: g \\  = 0.684 \: g

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0.042 M

d.

1.4

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3 years ago
The strongest substance in your body is:
Sholpan [36]
The enamel is the strongest substance in our bodies mainly inside your mouth.
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4 years ago
How many grams of sodium nitrate does it take to get 3.5% sodium nitrate in a 250g solution?
Sliva [168]
What are your options for answers?

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4 years ago
Write a paragraph (5-7 sentences) describing pH and conductivity.
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Answer:

pH is a measure of hydrogen ion concentration, a measure of the acidity or alkalinity of a solution. The pH scale usually ranges from 0 to 14. Aqueous solutions at 25°C with a pH less than 7 are acidic, while those with a pH greater than 7 are basic or alkaline. A pH level of 7.0 at 25°C is defined as "neutral" because the concentration of H3O+ equals the concentration of OH− in pure water. On the other hand, electrical conductivity is a non-specific measurement of the concentration of both positively and negatively charged ions within a sample. So the short answer to the question is as follows, the presence of any hydrogen ions present in a substance will impact the pH level and most probably influence conductivity levels. However, hydrogen ions make up only a small part of the ion concentration measured by a conductivity meter.

4 0
3 years ago
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