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sashaice [31]
3 years ago
8

What do you need in order to do a stoichiometric calculation? (Choose

Chemistry
1 answer:
expeople1 [14]3 years ago
3 0
I think it is Molar masses of compounds involved or Oxidation numbers, but you can choose one of them. Or you can think about the question carefully.
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The number of Joules needed to raise the temperature of 10 grams of water from 20°C to 30°C is
e-lub [12.9K]

Answer:

418 Joules

Explanation:

Q=10(4.18)(10)

6 0
3 years ago
An ionic compound has a highly negative ΔH soln in water. Would you expect it to be very soluble or nearly insoluble in water? E
valina [46]

The ionic compound will be soluble in water.

Ions are present in ionic compounds, which are held together by the attraction interactions between the ions with opposing charges. One of the most well-known ionic compounds is table salt or sodium chloride. Molecular compounds are made up of separate molecules that are connected by sharing electrons (covalent bonding).

High melting points are found in ionic substances. ionic compounds are brittle and rigid. When an ionic chemical is dissolved in water, it separates into ions. Ionic compound solutions and melting forms of these substances carry electricity, while solid materials do not.

A substance's heat of solution value is one of the criteria that determine whether or not it will dissolve. The Ionic compound will dissolve in water because a negative heat of the solution indicates that the reaction will be spontaneous.

To know more about Ionic compound refer to:  brainly.com/question/9167977

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8 0
2 years ago
Consider the following equivalent expressions: 38÷1312 and 38?ab What are the values of a and b? Enter the value of a followed b
Anna007 [38]

Answer:

a = 12

b = 13

Explanation:

Consider the following equivalent expressions: 38÷1312 and 38?ab What are the values of a and b? Enter the value of a followed by the value of b, separated by a comma.

The solution is attached.

3 0
4 years ago
What effect does rapid exhalation of CO2 during exercise have on the concentration of H2CO3 in the blood?
lubasha [3.4K]
<span>Humans breathe in oxygen and breathe out carbon dioxide.During the process of breathing, humans convert sugar into energy. Carbon dioxide is a waste product of this process. Carbon dioxide is released into the blood, travels to the lungs and is exhaled. Because carbon dioxide is a weak acid, the more carbon dioxide in the blood, the more acidic the blood becomes.</span>
4 0
3 years ago
Please help need to turn in
ohaa [14]

Answer:

2. d

3. i

4. e

5. j

6. g

7. a

8. f

9. b

Explanation:

do a few searches when you have time to deepen understanding!

8 0
2 years ago
Read 2 more answers
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