Seudónimo Seudónimo
  • 01-05-2021
  • Chemistry
contestada

How many kJ are needed to heat 300.0 g of ice at -5.00°C into steam at 100.°C?

Respuesta :

Muscardinus Muscardinus
  • 06-05-2021

Answer:

Q = 63.9 kJ

Explanation:

Given that,

Mass of ice, m = 300 g

We need to find the heat needed to heat the given amount of ice at -5.00°C into steam at 100.°C

The specific heat of ice, c = 2.03 J/g °C

The formula for heat needed is given by :

[tex]Q=mc\Delta T\\\\Q=300\times 2.03\times (100-(-5))\\\\Q=63945\ J\\\\Q=63.9\ kJ[/tex]

So, 63.9 kJ of heat is needed.

Answer Link

Otras preguntas

Unscramble the word bssmyale
what is the definition of inherent power
Which is the best example of a secondary source document useful in the study of history? a. a letter from a relative of a participant in a battle or campaign b.
Why was self sufficiency important to a country practicing mercantilism?
Menes, the first Egyptian Pharaoh, is known for all of the following reasons EXCEPT: a. uniting the Upper and Lower Kingdoms c. being the founder of the first E
Write five names for 1/4
What is three equivalent fractions to 75\100
Why are nutrients from fertilizer harmful to aquatic ecosystems? a. They cause an increase in fish populations. b. The increase in algae population reduces oxyg
express each as a single power of 2 2aX2bX2c/2a+b
Feudalism is the bond of loyalty between a lord and his servant ?