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Heat and Temperature
Page 3
Questions (198)
A portable electric water heater transfers 255 watts (W of power to 5.5 L of water, where 1 W=1J/s.How much time (in minutes)
4 answers
asked by
Lisa
2,676 views
he specific heat of gold is 0.031 cal/g°C. Fifty grams of gold will require ____ calories to raise the temperature 1°C.
3.1 6.2
3 answers
asked by
Garrett
1,967 views
Water boils at 100'C at sea level. High up in the mountains, water boils at a lower temperature. Why does it take longer to cook
4 answers
asked by
Anya
1,815 views
A student adds different amounts of ice to four samples of water and records the change in temperature after 30 minutes. What is
1 answer
asked anonymously
49 views
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees
2 answers
asked by
Cathy
1,252 views
Calculate the mass for:
A gold sample that absorbs 225 J to change its temperature form 15 degrees celsius to 47 degrees celsius.
3 answers
asked by
Beth
1,220 views
Which will have a higher temperature, reading a thermometer inside a mitten, laying on a table or a thermometer, laying on the
1 answer
asked anonymously
71 views
The picture below shows two rooms at different temperatures.
Which statement describes what will happen as the door opens between
1 answer
asked by
bryan arnett
41 views
Many people have a tendency to think that heat and temperature are the same thing. However, this is not true. Heat describes
*
1 answer
asked by
SIC
89 views
12. The specific heat of copper is 0.385 J/g • °C. Which equation would you use to calculate the amount of heat needed to
2 answers
asked by
miki
1,133 views
How much heat is needed to increase the temperature of 100.00g of water by 1.0 degree celsius? By 10.0 degrees celsius? By 20.0
2 answers
asked by
jraymond
1,082 views
A sample of lead with a mass of 1.45kg is heated until it reaches its melting point at 330C. The lead is then heated further
2 answers
asked by
Anonymous
1,074 views
The specific heat capacity of ice is about 0.5 cal/g degree C
A)Supposing that it remains at that value all the way to absolute
1 answer
asked by
christy
1,042 views
If the time taken to melt 10g of ice at 0 degree Celsius is 1 minute, how long will it take to vaporize 10g of water at 100
3 answers
asked by
Da S
1,052 views
When a block of ice at zero degrees Celcius melts, the ice absorbs energy from its environment. As the ice is melting, the
4 answers
asked by
Anonymous
1,020 views
A 500.0 g metal block absorbs 3.25 × 103 J of heat to raise its temperature by 50.0 K. What is the substance?
Please show steps
2 answers
asked by
Pat
971 views
How many calories will it take to raise the temperature of a 41 g gold chain from 20°C to 100°C?
The answer is 102 calories.
6 answers
asked by
John
903 views
Calculate the heat required to convert 5gm of ice at 0oc into 5gm of steam at 100oc.
3 answers
asked by
Siddharth
873 views
Please Help! I am having difficulties grasping these concepts. Explain please!
1. How much heat energy is required to change 500
1 answer
asked by
Tamai
896 views
The total energy of motion in the molecules is called POTENTIAL ENERGY.
TEMPERATURE is the average amount of energy of motion in
1 answer
asked by
emma
873 views
What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C?
Thank YOu
1 answer
asked by
Connie
858 views
A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. One object is a 200 g cube of
2 answers
asked by
R
811 views
an heating coil of R=100ohm is connected to 220v supply. calculate time taken if the coil heats 1kg of water from 25degree
2 answers
asked by
sridhar
792 views
Data;
Volume of water, 100ml Room temp, 24C Initial water temp, 15C Final water temp, 30C Question: Calculate the mass of water
2 answers
asked by
Allyson
1,256 views
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 22°C and 47% relative humidity (that is, the water
2 answers
asked by
xavier
768 views
If the temperature of 0.20 kg of gold, which has a specific heat of 130 J/kg • °C, increases by 25°C, how much energy has
3 answers
asked by
Nana
760 views
How much heat (in Kj ) is required to warm 10.0g of ice, initially at -11.0 C, to steam at 112.0 C?
2 answers
asked by
Haley
755 views
A coin dealer, offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The dealer heated the coin,
1 answer
asked by
jake
768 views
What is the mass of water in a closed room 5.2m x 6.3m x 2.5m when the temperature is 24 degrees celsius and the relative
1 answer
asked by
Antonia
727 views
A steel section of the Alaskan pipeline had a length of 73.8 m and a temperature of 15.7 °C when it was installed. What is its
2 answers
asked by
Amilia
702 views
a copper cylinder is initially at 20.0 degree Celsius. At what temperature will its volume be 0.150% larger than it is at 20.0
1 answer
asked by
JEMAR
697 views
Temprature of mixture
63.85g piece metall with specific heat capacity of 0,078cal /gK at 89.9 C is dropped into calorimeter with
2 answers
asked by
ananymuson
677 views
A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the
2 answers
asked by
katie
670 views
1...At what temp. of 0^C steel rod and copper rod have length of 800.1 & 99.9 respectively. At what temp. will the 2 rods have
1 answer
asked by
EM
662 views
One piece of copper jewelry at 104°C has exactly twice the mass of another piece, which is at 43.0°C. Both pieces are placed
1 answer
asked by
mara
667 views
Use the calculation of specific heat for your metal as an example and determine the effect on specific heat if the sample
2 answers
asked by
will
651 views
What is the specific heat in J/g Celsius for a metal sample with a mass 95.6 g which absorbs 841 J of energy when it's
1 answer
asked by
Mike
636 views
suppose that sunlight falls on both a pair of reading glasses and a pair of dark glasses. Which pair of glasses would you expect
2 answers
asked by
Maricela
616 views
how much heat is required to vaporize 7 grams of ice initially at 0 degrees celsius when the latent fusion of ice is 80 cal/g,
2 answers
asked by
elisabeth
606 views
A small electric immersion heater is used to boil 191.0 g of water for a cup of instant coffee. The heater is labeled 355.0 W,
2 answers
asked by
Josh G.
607 views
I need help!
I found the change in Temp= -.9 degree C. I don't know what to do next...? What value from this problem do I use as
5 answers
asked by
Kate
603 views
the specific heat of a substance is the energy (Joules) required to raise one gram of substance by one degree celsius (units
2 answers
asked by
Ally
596 views
How much heat is needed to increase the temperature of 60 g of H2O from ice at -5C to liquid at 20C?
2 answers
asked by
Halie
569 views
The temperature of a substance ____ as its heat of fusion is added to melt the substance
A. increases B. decreases C. remains
2 answers
asked by
Emiko
572 views
I have ten problems left on my homework that I need help with. My instructor gives us the answer and we have to write down the
2 answers
asked by
Jesse
559 views
What time of day is hotter, 12 noon or 2pm?
I know it's 2pm from experience, but I don't know why it's like that..
4 answers
asked by
Angie
578 views
the specific heat capacity of lava is 1600 j kg -1 oC -1. when all the erupted lava cools from the eruption temperture of 1050
1 answer
asked by
smartypants
558 views
A metal ring with a mass of 18.36 g undergoes a change in temperature of 26.37 oC. The energy change, or heat, required for this
5 answers
asked by
Mary
544 views
51J of heat added to an aluminum can with a mass of 25.5 g what is temperature change if specific heat capacity is 0.903 J/ g
2 answers
asked by
Anonymous
548 views
Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C?
2 answers
asked by
Sophia
526 views
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Basic Physics
Chemistry
Earth and Space
Earth Science
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