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Iteru [2.4K]
3 years ago
13

An object which allows light to show through it unaltered is called?​

Chemistry
1 answer:
Rainbow [258]3 years ago
6 0
Transparency (also called pellucidity or diaphaneity) in the field of optics is the physical property of allowing light to pass through the material without significant light dispersion.
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In standardizing a naoh solution a student found that 25.55cm of base neutralize exactly 21.35cm of 0.12M HCl find the molarity
nalin [4]

Answer:

O.1M

Explanation:

First let's generate a balanced equation for the reaction

NaOH + HCl —>NaCl + H2O

From the equation,

The ratio of the acid to base is 1:1.

From the question, we obtained the following:

Ma = Molarity of acid = 0.12M

Va = volume of acid = 21.35cm3

Vb = volume of base = 25.55cm3

Mb = Molarity of base =?

We obtained nA(mole of acid) and nB(mole of base) to be 1

The molarity of the base can be calculated for using:

MaVa/ MbVb = nA / nB

0.12x21.35 / Mb x 25.55 = 1

Cross multiply to express in linear form

Mb x 25.55 = 0.12x21.35

Divide both side by 25.55

Mb = (0.12x21.35) / 25.55

Mb = 0.1M

The molarity of the base is 0.1M

6 0
3 years ago
When blood passes through the lungs, carbon dioxide and water are formed from carbonic acid dissolved in the blood. The carbon d
NeTakaya
Answer is: <span>decomposition.

Balanced chemical reaction: H</span>₂CO₃ → CO₂ + H₂O.
H₂CO₃ is carbonic acid.
CO₂ is carbon (IV) oxide or carbon dioxide.<span>
Chemical decomposition is the separation of a single chemical compound (in this example </span>carbonic acid<span>) into its two or more simpler compounds (in this example water and carbon dioxide).</span>
7 0
3 years ago
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A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories. How much is this in Joules?
Sophie [7]

Answer:

B

Explanation:

962,320 J

230 nutritional Calories in Joules is 962,320 J

4 0
2 years ago
0.17 M KCHO2 Find the pH
SashulF [63]
I believe the pH is 7. If you would like me to explain comment.
6 0
3 years ago
Please Help I will reward brainliest
8_murik_8 [283]
I think it is "Known".

Radioactive decay is measured using a formula where the half-life <span>of an isotope is the time it takes for the original nuclei to decay half of its original amount.</span>
7 0
3 years ago
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