Question

8.33 kg of steam at temperature of 150 ∘C has 2.23×107 J of heat removed from it. Determine the final temperature and phase of the result once the heat has been removed if the heat is removed at constant pressure during the gas phase. For this problem, use the specific heat (at constant pressure) for water as 1850 J/kg∘C , the latent heat of vaporization as 2.256×106 J/kg , the specific heat of liquid water as 4186 J/kg∘C , the latent heat of fusion as 334,000 J/kg, and the specific heat of ice as 2100 J/kg∘C .

How much heat would need be removed to lower the temperature of the steam to the boiling point? Q1= ? J

Answer #1

8.33 kg of steam at temperature of 150 ∘C has 2.23×107 J of heat
removed from it. Determine the final temperature and phase of the
result once the heat has been removed if the heat is removed at
constant pressure during the gas phase.
For this problem, use the specific heat (at constant pressure)
for water as 1850 J/kg∘C , the latent heat of vaporization as
2.256×106 J/kg , the specific heat of liquid water as 4186 J/kg∘C ,
the...

How much heat must be removed from 100 g of water at 25.0°C to
change it into ice at -10.0°C? The specific heat of ice is 2090
J/kg · K, and the specific heat of water is 4186 J/kg · K. For
water LF = 334,000 J/kg and LV = 2.256 ×
106 J/kg.

The latent heat of vaporization (Lv) is similar to
the latent heat of fusion (Lf), except that it relates
to boiling rather than melting. For water, Lv = 2.26 x
106 J/kg. .970 kg of steam at 100°C (the boiling point
of water) is put in contact with a 13.5 kg piece of metal. The
initial temperature of the piece of metal is 70.0°C. When the piece
of metal reaches 100°C, .0420 kg of steam has condensed.
a. How
much heat...

The latent heat of vaporization (Lv) is similar to
the latent heat of fusion (Lf), except that it relates
to boiling rather than melting. For water, Lv = 2.26 x
106 J/kg. .970 kg of steam at 100°C (the boiling point
of water) is put in contact with a 13.5 kg piece of metal. The
initial temperature of the piece of metal is 70.0°C. When the piece
of metal reaches 100°C, .0420 kg of steam has condensed.
a. How
much heat...

Calculate the amount of heat energy required to
change 0.173 kg of ice at a temperature of -35 �C
to steam at a
temperature of 160 �C. (specific heat capacities
of ice, water and steam are 2090, 4180, 2010 J ⁄ kg ⁄
�C
respectively. Latent heat of fusion and vaporization of water
are
3.34e5, 2.26e6 J ⁄ kg respectively.)

What mass of steam at 100°C must be mixed with 216 g of ice at
its melting point, in a thermally insulated container, to produce
liquid water at 65.0°C? The specific heat of water is 4186 J/kg·K.
The latent heat of fusion is 333 kJ/kg, and the latent heat of
vaporization is 2256 kJ/kg.

What mass of steam at 100°C must be mixed with 162 g of ice at
its melting point, in a thermally insulated container, to produce
liquid water at 71.0°C? The specific heat of water is 4186 J/kg·K.
The latent heat of fusion is 333 kJ/kg, and the latent heat of
vaporization is 2256 kJ/kg.

What mass of steam at 100°C must be mixed with 260 g of ice at
its melting point, in a thermally insulated container, to produce
liquid water at 73.0°C? The specific heat of water is 4186 J/kg·K.
The latent heat of fusion is 333 kJ/kg, and the latent heat of
vaporization is 2256 kJ/kg

45 gg of steam at 100 ºC is mixed with 177 gg of ice at 0
ºC.
The latent heat of fusion of water is 33.5 × 104
J/kg, and the specific heat of water is 4186 J/kg∙K, the latent
heat of vaporization of water is 22.6 × 105 J/kg.
a)Determine the amount of heat absorbed by ice at 0 ºC to make
water at 0 ºC.
b)Determine the amount of heat released by steam at 100 ºC to
make...

How much thermal energy (in J) is required to boil 2.25 kg of
water at 100.0°C into steam at 149.0°C? The latent heat of
vaporization of water is 2.26 ✕ 106 J/kg and the
specific heat of steam is
2010
J
kg · °C
.

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