16 Questions
What is the specific heat of water in J/g °C?
4.184
How much heat, in joules, is needed to heat 8.0 × 102 g of water by 64 °C?
210,000
What is the specific heat of iron in J/g °C?
0.449
In the Solana Generating Station, what substance is heated by focusing sunlight through parabolic mirrors?
Heat transfer fluid
What is the power output of the Ivanpah Solar Generating System in megawatts?
377
What is used as a thermal energy storage system in the Solana Generating Station?
Molten salts
What is the temperature at which steam is produced at the Ivanpah Solar Generating System?
>538 °C
What property of molten salts makes them suitable for solar thermal systems?
'High heat capacities and thermal conductivities'
If a 124 g piece of metal absorbs 8.77 kJ of heat, increasing its temperature from 27.5 °C to 85.3 °C, what is the specific heat of this metal?
0.812 J/g °C
How much heat, in joules, is needed to heat a 615 g piece of metal by 50.4 °C? The specific heat of this metal is 0.732 J/g °C.
28900 J
Which metal is likely to have a specific heat of 0.281 J/g °C?
Gold
A 362 g piece of metal absorbs 4.88 kJ of heat, raising its temperature from 18.6 °C to 42.8 °C. What is the specific heat of this metal?
1.078 J/g °C
How much heat, in joules, is required to raise the temperature of a 717 g piece of metal by 36.7 °C? The specific heat of this metal is 0.659 J/g °C.
18800 J
Which metal is most likely to have a specific heat of 0.543 J/g °C?
Silver
A 285 g piece of metal absorbs 5.92 kJ of heat, increasing its temperature from 32.6 °C to 67.8 °C. What is the specific heat of this metal?
0.979 J/g °C
How many joules of heat are needed to raise the temperature of a 469 g piece of metal by 43.2 °C? The specific heat of this metal is 0.381 J/g °C.
$8.75 x 10^{4}$ J
Learn about the relationship between temperature and thermal energy in matter. Explore how the kinetic energy of atoms and molecules affects the 'hotness' or 'coldness' of an object.
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