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tatiyna
3 years ago
10

Aluminum:

Chemistry
1 answer:
Scorpion4ik [409]3 years ago
3 0
Whiteish silver
shiny
ductile
conductor
metal
left
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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
Q.Can anyone explain the influence of soil solution pH on the nutrient availability of essential nutrients?​
igomit [66]

Answer:

pH Affects Nutrients, Minerals and GrowthBefore

a nutrient can be used by plants it must be dissolved in the soil solution. Most minerals and nutrients are more soluble or available in acid soils than in neutral or slightly alkaline soils.

Hope this helps

7 0
3 years ago
if during the interaction of 36.5 g of hydrochloric acid with magnesium 137 kg of joules energy are released, how much energy wo
svetoff [14.1K]

Explanation:

ANSWER

The molarity =

molecularweight

density×purity×10

=

36.5

1.18×36.5×10

=11.8molar

7 0
3 years ago
What is the pH of a 0.1 M HCl solution?
sesenic [268]

Answer:

The pH of the solution is 1.00

Explanation:

The pH gives us an idea of the acidity or basicity of a solution. More precisely, it indicates the concentration of H30 + ions present in said solution. The pH scale ranges from 0 to 14: from 0 to 7 corresponds to acid solutions, 7 neutral solutions and between 7 and 14 basic solutions. It is calculated as:

pH = -log (H30 +)

The concentration of the H30+ ions is 0,1M:

pH= -log (0,1)

<em>pH=1.00</em>

8 0
3 years ago
Please help me!! I am so dumbbbb
Norma-Jean [14]

Answer:

B. High levels of nitrogen and phosphorus from agricultural runoff, sewage, and industrial pollution were flowing into the bay.

Explanation:

I just did this question! <3

4 0
3 years ago
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