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s344n2d4d5 [400]
3 years ago
14

Write a paragraph or two below to explain why there is a little change in the pH of battery acid when it is diluted with water.

Also include in your answer
the water equilibrium expression
what could you add to the battery acid to significantly change the pH of the solution?
Biology
1 answer:
dalvyx [7]3 years ago
5 0

Answer:

Explanation:

The acid is becoming less acidic. Similarly, when an alkali is diluted with water the concentration of OH - ions decreases. This causes the pH of the alkali to fall towards 7, making the solution less alkaline as more water is added.

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Consider a cube with length 3cm and another with length 4cm,which of the two cubes will have a a greater surface area volume rat
Vesna [10]

Answer:

Cube with length 4cm.

Explanation:

The surface area of cube is 6a^2.

For cube with length 3

A= 6a^2

A= 6 ×(3×3)

=6(9)

= 54cm

For cube b.

A=6(a^2)

= 6×(4×4)

6(16)

= 96cm

3 0
3 years ago
If the vibrations have a low frequency, the sound is heard as a _______. If the vibrations have a high frequency, then the sound
spin [16.1K]

D.

If the vibrations have a low frequency, the sound is heard as a __low-pitched sound_____. If the vibrations have a high frequency, then the sound is heard as a __high-pitched sound_____.

Explanation:

High pitched sound is of higher frequency because they make the air molecules vibrate much faster than low-pitched sound. Due to their high frequency, their wavelength is shorter (Remember wavelength and frequency are inversely proportional). Vice versa is true to the low-pitched sound. They vibrate air molecules slower than high-pitched sound. Their wavelength is longer and frequency smaller.

Learn More:

For mor on pitch of sound check out;

brainly.com/question/61859

brainly.com/question/1509263

#LearnWithBrainly

3 0
3 years ago
Read 2 more answers
What type of bond transfers electrons?
nignag [31]
Ionic Bonds <span>transfers electrons</span>
4 0
3 years ago
1. The complete breakdown of glucose in the presence of oxygen occurs in two stages: glycolysis and (). The first of these stage
Aliun [14]

Answer:

The complete breakdown of glucose in the presence of oxygen occurs in two stages: glycolysis and citric acid cycle. The first of these stages occur in the cytoplasm of the cell, and the second stage occurs in organelles called Mitochondria.

Explanation:

The breakdown of glucose occurs in two stages. The first stage occurs inside the cytoplasm, it is called glycolysis. when a molecule of glucose undergoes glycolysis, the following are produced:

2 ATP (Adenosine triphosphate) molecules;

2 water molecules;

2 pyruvate molecules and;

2 NADH (Nicotinamide Adenine dinucleotide) molecules

The second stage occurs in an organelle called Mitochondria, it is called citric acid cycle or tricarboxylic acid or Kreb's cycle. In this stage, the two pyruvate molecules from the glycolytic cycle are reduced to carbon(iv)oxide. The following are produced:

2 ATP molecules;

6 NADH molecules;

2 FADH2 (flavine adenine dinucleotide) and;

4 molecules of carbon(iv) oxide.

The NADH and FADH2 molecules are used in the electron transport chain generates as much as 28 ATP molecules.

4 0
3 years ago
A unit of length in the metric system is the A-kilogram B-kilometer C- liter
babunello [35]
Remember that measuring length is a measure of distance. Let's check our answers for any pending measures of distance.

Kilogram.
Kilogram is a measure of mass (or weight). This can normally be used for example for the SI Unit symbol: Kg.

We can get rid of kilogram, since it does not measure distance.

Kilometer.
Kilometer is a measure of distance. This can normally be used for example by it's SI Unit symbol: KM.
Kilometer can be broken down by it's prefix.
Kilo = Thousand

Kilometer means 1,000 meters, which is a unit of distance/length.

Your answer is B.) Kilometer.

I hope this helps!
4 0
2 years ago
Read 2 more answers
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