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Klio2033 [76]
2 years ago
14

Which describes the normal boiling point of a substance?

Chemistry
1 answer:
kicyunya [14]2 years ago
6 0

Answer:

I think it's D

Explanation:

I'm so sorry if that's wrong, hope it helps!

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Which substance is least soluble at 90°C?
jekas [21]

Answer:

NH3

Explanation:

Which salt is least soluble at 90 degrees Celsius

7 0
2 years ago
What evidence supports a conservation law? 6 CO2 → C6H12O6 6 O2 6 CO2 6 H2O light → C6H12O6 6 O2 6 H2O light → C6H12O6 6 O2 6 CO
docker41 [41]

The law of conservation has been stated that the mass and energy has neither be created nor destroyed in a chemical reaction.

The law of conservation has been evident when there has been an equal number of atoms of each element in the chemical reaction.

<h3>Conservation law</h3><h3 />

The given equation has been assessed as follows:

  • \rm 6\;CO_2\;\rightarrow\;C_6H_1_2O_6

The reactant has absence of hydrogen, while hydrogen has been present in the product. Thus, the reaction will not follow the law of conservation.

  • \rm 6\;O_2\;+\;+\;6\;CO_2\;+\;6\;H_2O\;+\;Light\;\rightarrow\;C_6H_1_2O_6

The number of atoms of each reactant has been different on the product and the reactant side. Thus, the reaction will not follow the law of conservation.

  • \rm 6\;O_2\;+\;6\;H_2O\;+\;Light\;\rightarrow\;C_6H_1_2O_6

The reactant has the presence of carbon, while it has been absent in the reactant. Thus, the reaction will not follow the law of conservation.

  • \rm 6\;O_2\;+\;6\;CO_2\;\rightarrow\;3\;C_6H_1_2O_6\;+\;3\;O_2

The product has the presence of hydrogen, while it has been absent in the reactant. Thus, the reaction will not follow the law of conservation.

Learn more about conservation law, here:

brainly.com/question/2175724

4 0
2 years ago
A student weighs out 3.68 grams of cobalt (II) chloride to do an experiment with. How many moles of is this?
leva [86]

Answer:

0.029mol

Explanation:

from

n=m÷mr

where

n is number of moles

m is mass

mr is molar mass

8 0
2 years ago
Explain the Sun's role in the water cycle
timama [110]
It causes the water to evaporate from the earths surface so that it can cycle through again
3 0
3 years ago
Which of the following lists elements in order of increasing malleability?
hodyreva [135]

Malleability is the property due to which substances tend to hammered into thin sheets when pressure is applied. Malleability is observed in metal as the metal atoms are bound by metallic bonds. The layers of metal atoms can roll over each other without breaking the metal bond when pressure is applied. In the periodic table malleability decreases as the metallic nature decreases. Among the given metals Al is the most metallic element, followed by Zinc an Carbon is a non metal. Therefore, the order of increasing malleability will be C, Zn, Al


8 0
2 years ago
Read 2 more answers
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