We burned Wood to convert 600 g of Ice at - 2°C, to Water at 90°C Cice = 2100 J/kg°C
Cwater = 4200 J/kg°C
λice = 335 000 J/kg°C
qwood = 15 MJ/kg
How many processes will be at temperature-time graph? 1 point

How many Joules do we need to increase temperature of ice from -2°C to 0°C? 3 points
Q1 =
J
How many Joules do we need to melt 600 g of ice? 3 points
Q2 =
J
How many Joules do we need to increase temperature of water from 0°C to 90°C? 3 points
Q3 =
J
What is the total energy that we need to convert ice to water? 2 points
QTotal =
J
How much Wood we need to burn? (Round answer to thousandths. Example: 0,014742 kg = 0,015 kg) 3 points
m =
kg
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leraci2001    2   29.10.2020 08:26    1