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Maths Group11
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5 111
What is the quantity of heat required to raise the temperature of 1 g of ice from −10°C to 110°C? Use specific heat capacity of ice, water and steam. Also use latent heat of fusion and vaporization from text book.
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The temperature of a silver bar rises by 10°C when it absorbs 1.23kJ of energy by heat. The mass of the bar is 525g. What is the specific heat capacity of silver in J/Kg.K ?
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2000 J of heat leaves the system and 2500 J of work is done on the system. What is the change in internal energy of the system?
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The following active voice change into passive voice.
1. I am reading the books.
2. She baked the cake.
3. The band sang the song.
4. Mom is washing the clothes.
5. The construction workers were renovating the house.
6. He completed the job.
7. She sent the message.
8. The chef cooked the meal.
9. They arrived after the work had been finished.
10. The new team will manage the project.
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When hot and cold objects are placed in contact, the hot one loses energy. Does this violate energy conservation?
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Metal A has a coefficient of linear expansion that is three times the coefficient of linear expansion of metal B. How is their coefficient of area expansion compared?
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What is the equation of the tangent line to the graph of f(x) = 3x² + 4x -5 at (1, 2)?
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This work sheet contains chemistry grade 12 From unit 1 -2. It contains 100 multiple choice.
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Which particle among the following has the highest charge to mass ratio?
