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Q: How much heat is absorbed by 1.0 g of iron when its heated to 15 degrees celsius?
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How much heat is absorbed by water when 250g of iron is heated from 27 degrees Celsius to 300 degrees Celsius?

q = (250 g)(0.46 J/gC)(300 C - 27 C) = 3.1 X 104 Joules -------------------------


A 38 kg block of lead is heated from 26 degrees Celsius to 180 degrees Celsius how much heat energy does the block of lead absorb to increase its temperature this much?

The specific heat of lead is 0.0305 K cal/kg deg C. The heat absorbed will be 38x(180-26)x0.0305 = 178.5 Kcal = 746.1 K joules


What happens to a magnet when heated?

when heated a certain limit of atoms is disturbed because of in creased Brownian motion


What is the total number of calories of heat needed to raise to raise the temperature of the liquid water from 20 degrees Celsius to 30 degrees Celsius?

The number of calories required will depend on the mass of water which is to be heated.


A piece of iron absorbs an amount of heat when it is heated from 22 degrees Celsius to 28 degrees Celsius- How many joules does it absorb?

There is not enough information in this problem to answer the question. You must know the mass of the iron to find the amount of joules used to heat the iron.


When a substance is heated and the average kinetic energy remains low where has the energy gone?

If a substance is heated, it will either get hotter, or it will change its phase - for example, when ice at 0 degrees Celsius is melted to water at 0 degrees Celsius. In this case, the heat energy is converted to a type of potential energy.


Is heat measured in celsius degrees?

It can be.


Is the heat intensity of water at 100 degrees celsius the same as the heat intensity of water 212 degrees Fahrenheit?

100 degrees celsius are equal to 212 degrees fahrenheit.


a 16.7 g polystyrene foam cup containing 31.0 mL coffee changes in temperature from 18 degrees celsius to 66.4 degrees celsius. calculate the heat absorbed by the cup and the coffee?

30


Which has more heat one liter of liquid at 80 degrees Celsius or a ten liter container at 80 degrees Celsius?

i think a ten liter container at 800 degrees Celsius has more heat


What is the relationship of time to temperatures in heat sterilization?

Dry heat = 1-2hrs @ 160-170 degrees Celsius Moist heat = 15min. @ 121 degrees Celsius


How much energy is absorbed by 50 grams of water if the temperature changes from 22 degrees celsius to 28 degrees celsius?

Change in temp = 28° - 22° = 6°. Heat capacity of liquid water is 1 calorie per gram per degree(C).So the energy absorbed is (50) x (6) = 300 calories.