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if 40kj of energy is

a 2kg steel block is originally at 10°c. if 40kj of heat energy are added to the block, what is its final temperature?
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2. asked by Robotic
3. 678 views
Im doing a worksheet and i had to draw PE diagram which had the Ea(activation energy)at 80kJ and the enthalpy change is -40kJ.*A
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2. asked by Anonymous
3. 1,091 views
In a certain chemical reaction, 20.40kJ of heat are evolved. The volume of the reaction is 36.8dm^3 and that of the product is
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2. asked by Ms: Hadiza
3. 577 views
if 40kj of energy is absorbed by 500g od water in 10c temprature. what is the fainal temprature of the water?
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2. asked by suhail
3. 509 views
Based on the reaction below2Al(s) + Fe2O3(s)= Al2O3(s) + 2Fe(l) Calculate the heat releases in kilojoules per gram of Al reacted
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2. 38 views
how should each form of energy be identified?A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear
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2. asked by kakashi hatake please help
3. 2,177 views
Which statement about energy is correct? (1 point)There are many types of energy. Energy can be light energy, sound energy,
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2. 213 views
Which statement about energy is correct?• There are many types of energy. Energy can be light energy, sound energy, thermal
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2. 87 views
Define each with a small sentence: o Energyo Mechanical Energy o Thermal Energy o Chemical Energy o Electrical Energy o Sound
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2. 66 views
Which statement about energy is correct? (1 point)Energy is the force that causes objects to be displaced. All energy can be
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2. 51 views