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malfutka [58]
3 years ago
5

The substances below are listed by increasing specific heat capacity value. Starting at 30.0 °C, they each absorb 100 kJ of ther

mal energy. Which one do you expect to increase in temperature the least? Cadmium, 0.230 J/(g °C) Sodium, 1.21 J/(g °C) Water, 4.184 J/(g °C) Hydrogen, 14.267 J/(g °C)
Chemistry
1 answer:
JulijaS [17]3 years ago
4 0

The heat change is related to specific heat as

Heat change = mass of substance X specific heat X change in temperature

So if we are considering same amount of substance

and we are starting with the same temperature

the change in temperature will be inversely proportional to the specific heat

higher the specific heat lower the temperature change

Thus the change in temperature will be least for the substance with highest specific heat.

Answer: Hydrogen

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How many grams hydrogen in 4.5 mol H2SO4
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H2SO4 ---> 2H^+ + SO4^2-

Hence n H+ = 9 mols

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Alternately

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What is the specific heat of a substance if a mass of 10.0 kg increases in temperature from 10.0°C to 70.0°C when 2,520 J of hea
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In the compound iodine heptafluoride: (hints: write out the molecular formula of this compound before answering the question. Also be sure you clearly understand the concepts of charge, oxidation numbers, how to determine charge and oxidation numbers, and - most important of all! - the similarities and the differences between charges and oxidation numbers)

<u>Each fluorine atom has a charge of 1</u>

<h3>What is iodine heptafluoride?</h3>

The interhalogen compound iodine heptafluoride, often known as iodine(VII) fluoride or iodine fluoride, has the chemical formula IF7.   As anticipated by VSEPR theory, it exhibits a unique pentagonal bipyramidal structure.  The molecule is capable of undergoing the Bartell process, a pseudorotational rearrangement that is similar to the Berry mechanism but for a heptacoordinated system.  It produces colorless crystals that melt at 4.5 °C and have a very narrow liquid range with a boiling point of 4.77 °C. The dense mist has an unpleasant, musty smell. The molecule is symmetrical with D5h. suggestion

To learn more about iodine heptafluoride from the given link:

brainly.com/question/28200374

#SPJ4

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