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nikitadnepr [17]
2 years ago
11

How much heat is required to convert 12. 0 g of ice at -10. 0 ºc to steam at 100. 0 ºc?

Chemistry
1 answer:
nordsb [41]2 years ago
8 0

Main Answer:

Given data:

Mass of ice m = 12 grams = 12/1000 = 0.012 kg

Specific heat  s = 4.18 KJ/ gm-1 C-1

Change in temperature t = t2 - t1

t = 100 - (-10)

t = 100 + 10 = 110C

Heat required Q = m x s x t

Q = 0.012 x 4.18 x 110

Q = 5.5176 KJ

Explanation:

What is heat?

Heat is defined as one of the forms of energy. It is a kinetic energy which can be transferred from one object to another object or medium. It cannot be destroyed or created. The units of heat is Joules in SI system and calories in CGS system.  

To know more about heat, please visit:

brainly.com/question/13439286

#SPJ4

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How many atoms are in 9.008 mol of Carbon? 0.7500 atoms 1.332 atoms 5.423 x 10^24 atoms 1.496 x 10^ -23 atoms
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 The number  of atoms that are  in 9.008   moles of carbon is

5.423 x 10^24 atoms


<u><em>calculation</em></u>

The  number of atoms is calculated using the Avogadro's   constant

That is   According to  Avogadro's   1  moles  = 6.02 x 10^23  atoms

                                                         9.008  moles= ? atoms

by cross multiplication

= [(9.008  moles x 6.02 x 10^23 atoms)  / 1  mole] = 5.423 x10^24 atoms

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