Solve the following problems.
1. How many Joules of heat are given off when 5.0 g of water cool from 75°C
to 25°C? (Specific heat of water = 4.18 J/g*C)
2. How many calories are given off by the water in Problem 1?
(Specific heat of water = 10 col/gC)
3. How many joules does it take to melt 35 g of ice at 0°C? Cheat of fusion - 333 )
4. How many calories are given off when 85 g of steam condense to liquid water?
Theot of vaporization - 539.4 col/a)
5. How many joules of heat ore necemory to raise the temperature of 25 g of water
from 10°C to 60°C?
6. How many calories are given off when 50 g of water at ofreezes?
theat of fusion = 79 72 collo)
Answers: 3
Chemistry, 22.06.2019 00:00
The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?
Answers: 2
Chemistry, 22.06.2019 07:50
In which situation can a mixture always be called a solution
Answers: 3
Chemistry, 22.06.2019 23:40
The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
Answers: 2
Chemistry, 23.06.2019 05:00
Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms
Answers: 1
Solve the following problems.
1. How many Joules of heat are given off when 5.0 g of water cool fro...
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