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katrin [286]
3 years ago
7

8. (01.01 LC)

Chemistry
1 answer:
Simora [160]3 years ago
5 0
The answer is false!
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1. Calculate the empirical formula of a compound that contains 2% hydrogen, 74 % carbon and 24% oxygen.
Ludmilka [50]

empirical formula = when the percentage compositions by mass of elements in a compound are divided by their relative atomic masses.

from the obtained amount the smallest amount will divide all.

the answers can then be rounded off if in decimals or they can be multiplied by 2 if they have .5 decimals e.g 2.5 , 7.5 , etc.

solution: HYDROGEN    CARBON      OXYGEN

                2/1                      74/12               24/16

                  2                         6.167                 1.5

                  2 / 1.5                  6.167 / 1.5           1.5 / 1.5

                  1.333                        4.111                   1

                      1                              4                        1


answer :     C4OH

HOPE IT HELPED !!!

5 0
3 years ago
7. With solutions of strong acids and strong bases, the word strong refers to
Mumz [18]

Answer:

C. Degree of ionization

Explanation:

The strength of an acid or a base is determined by how many H+/H3O+ or OH- ions are dissociated in solution. Therefore, it's describing the degree of ionization.

Example: HCl is a strong acid because in water it will pretty much 100% dissociate into H+ and Cl- ions.

4 0
3 years ago
Which method is the typical first step when scientists communicate their scientific results?
hodyreva [135]
Purpose
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Which of the following is NOT an example of voluntary movement?
Tcecarenko [31]

Answer:

Writing maybe

Explanation:

8 0
3 years ago
How are sex chromosomes different from other chromosomes​
sladkih [1.3K]
<h3>The somatic and sex chromosomes mainly differ in their Ploidy.</h3>

  • Somatic Chromosomes are Diploid (2n)

  • Sex Chromosomes are Haploid (n)

Haploidity of sex chromosomes enables the formation of a diploid zygote after fertilization

<h3>Somatic Chromosomes are homologous in nature while the Sex Chromosomes can be Analogous as in the case of Spermatozoa which bears XY genes </h3>
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3 years ago
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