If you take a 1g of aluminium and heat it up, the mass of the aluminium...
If you take a 1g of aluminium and heat it up, the mass of the aluminium will:
Select one:
increase
not change
decrease
increase until the aluminium reaches room temperature again
decrease until the aluminium reaches room temperature again
Homework Answers
If you heat a metal , it will expand. This means that the volume of the metal will increase. But, the mass wont change since mass is a measure of the amount of matter contained in an object.
So, when you heat 1g of Aluminium, the amount of Aluminium in that 1g won't reduce, even if the volume increases due to expansion.
Hence, answer is 'no change'.
Add Answer to:
If you take a 1g of aluminium and heat it up, the mass of the
aluminium...
How much heat does it take to turn 1g of O'C ice into 1g of 0°C...
How much heat does it take to turn 1g of O'C ice into 1g of 0°C water? 2256 J/kg 4.19 kg 3337 J/kg An aluminum block is wedged in a cavity inside a giant slab of very hard material, so that its volume cannot change. The aluminum block is the heated increasing the pressured the block Assume negligible heat flows into the cant slab Take the value of as 23106C and Bas 7010 Simplify the problem by solving it in...
These were the only equations provided, I have calculated Q and P but can't find a relationship between them relating to t. Appreciate the help! 5. You have 250 g of water in an aluminium calorim...
These were the only equations provided, I have calculated Q and
P but can't find a relationship between them relating to t.
Appreciate the help!
5. You have 250 g of water in an aluminium calorimeter with a mass of 125 g. How long will it take to increase the temperature of the water and calorimeter from 20 oC to 37 °C if the system is heated by a resistive heating element with 8 V across the resistor and 0.75...
1. What would happen to each concentration unit (% mass/mass, M, and m) if you raise...
1. What would happen to each concentration unit (% mass/mass, M, and m) if you raise the temperature in the room? No change, increase, or decrease? Why?
A smelting fumace is fuelled with propane gas to melt Aluminium ingots (shown below) for engine...
A smelting fumace is fuelled with propane gas to melt Aluminium ingots (shown below) for engine sump manufacturing similar to that shown in the image below. The furace is loaded up with 100 aluminium ingots each of mass 15 kg. (a) Calculate the total energy that must be supplied by the fumace to bring the ingots up to melting point and then to melt the ingots completely. Before being placed in the furnace the ingots are stored at 20°C. Use...
3. "Heating to constant mass” means a. To heat the sample and cool it until its...
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Draw a state diagram of the AC/Heater controller described below It has a switch to turn...
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Warmup Questions (no points but no penalty) A. If heat transfer is out of a system,...
Warmup Questions (no points but no penalty) A. If heat transfer is out of a system, the Q in the first law equation will be: Select B. The work done on the system is Select # if the gas is compressed C. The Work done on the system is Select if the gas expands. D. If the temperature of the gas in a system decreases, the change in thermal energy of the gas will be select The actual problem A...
An ice cube of mass 500 g at 0 °C is dropped into an insulated container...
An ice cube of mass 500 g at 0 °C is dropped into an insulated container of 1.0 kg of water that initially is at room temperature (25 °C), and eventually the system reaches equilibrium. The insulator is not perfect, so 20 kJ of heat flows from the room into the water during the process. 3. a. Calculate the entropy increase in the ice that melts into water. b. Calculate the entropy loss of the water that cools down. c....
Step by step please How much heat does it take to increase the temperature of 2.30...
Step by step please
How much heat does it take to increase the temperature of 2.30 mol of a diatomic ideal gas by 32.0 K near room temperature if the gas is held at constant volume?
(a) How much heat does it take to increase the temperature of 2.70 mol of a...
(a) How much heat does it take to increase the temperature of 2.70 mol of a diatomic ideal gas by 26.0 K near room temperature if the gas is held at constant volume? (b) What is the answer to the question in part(a) if the gas is monatomic rather than diatomic?
How much heat does it take to turn 1g of O'C ice into 1g of 0°C water? 2256 J/kg 4.19 kg 3337 J/kg An aluminum block is wedged in a cavity inside a giant slab of very hard material, so that its volume cannot change. The aluminum block is the heated increasing the pressured the block Assume negligible heat flows into the cant slab Take the value of as 23106C and Bas 7010 Simplify the problem by solving it in...
These were the only equations provided, I have calculated Q and
P but can't find a relationship between them relating to t.
Appreciate the help!
5. You have 250 g of water in an aluminium calorimeter with a mass of 125 g. How long will it take to increase the temperature of the water and calorimeter from 20 oC to 37 °C if the system is heated by a resistive heating element with 8 V across the resistor and 0.75...
1. What would happen to each concentration unit (% mass/mass, M, and m) if you raise the temperature in the room? No change, increase, or decrease? Why?
A smelting fumace is fuelled with propane gas to melt Aluminium ingots (shown below) for engine sump manufacturing similar to that shown in the image below. The furace is loaded up with 100 aluminium ingots each of mass 15 kg. (a) Calculate the total energy that must be supplied by the fumace to bring the ingots up to melting point and then to melt the ingots completely. Before being placed in the furnace the ingots are stored at 20°C. Use...
3. "Heating to constant mass” means a. To heat the sample and cool it until its mass is stable on the balance b. To heat the sample and cool it, take its mass, heat it and cool it and retake the mass and averaging the two masses c. To heat the sample, cool it down, take its mass, then again heat it and cool it, retake the mass, and repeat this cycle until the mass in two consecutive weighing is...
Draw a state diagram of the AC/Heater controller described below It has a switch to turn it on or off; A user can select either program P1 or program P2 and can switch from one to another; P1(68F for heat and 78F for cool) and P2( 66F for heat and 76F for cool); There is a sensor for measuring the room temperature; If the controller is set to program P1 and the room temperature <68, then the heater is turned...
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An ice cube of mass 500 g at 0 °C is dropped into an insulated container of 1.0 kg of water that initially is at room temperature (25 °C), and eventually the system reaches equilibrium. The insulator is not perfect, so 20 kJ of heat flows from the room into the water during the process. 3. a. Calculate the entropy increase in the ice that melts into water. b. Calculate the entropy loss of the water that cools down. c....
Step by step please
How much heat does it take to increase the temperature of 2.30 mol of a diatomic ideal gas by 32.0 K near room temperature if the gas is held at constant volume?
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