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Questions and Answers
What is the part of the sinners onder of p action taking pins defined as?
What is the part of the sinners onder of p action taking pins defined as?
- LANGES yk
- so kits defined as
- fahad by the
- cuile the sydon (correct)
Which type of system exchanges both mimecast and any whee?
Which type of system exchanges both mimecast and any whee?
- A system that exchanges only my bun de wilde sandings
- A agsten that exchanges beth (correct)
- A system that exchanges only my bun de
- These are
What is used to define the action taking pins in a button?
What is used to define the action taking pins in a button?
- or the fahad by the 2012- 31.01/5
- The m-heat gained by (correct)
- Ticha 10 medial
- 100 00-0.5kg cold
In which system does no water appear or stchanged betweco at and its surroundings?
In which system does no water appear or stchanged betweco at and its surroundings?
What is defined as serving cuile the sydon?
What is defined as serving cuile the sydon?
What is the purpose of using the law of conservation of energy in the context provided?
What is the purpose of using the law of conservation of energy in the context provided?
In the second example, why was the change in temperature of the water noted as +10°C?
In the second example, why was the change in temperature of the water noted as +10°C?
What is the significance of using a hot plate to heat a substance in a controlled manner?
What is the significance of using a hot plate to heat a substance in a controlled manner?
What role does specific heat capacity play in determining the amount of heat absorbed or released by a substance?
What role does specific heat capacity play in determining the amount of heat absorbed or released by a substance?
How does the law of conservation of energy relate to the concept of total internal energy in a closed system?
How does the law of conservation of energy relate to the concept of total internal energy in a closed system?
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Study Notes
Energy and Systems
- When a liquid or solid is dissolved in water at a high temperature, it can't maintain equilibrium, resulting in heat loss, following the law of conservation of total energy.
Heat Transfer
- Example: 100g of H2SO4 was added to water, causing the temperature to rise by 10°C.
Specific Heat Capacity
- Specific heat capacity of water is 4.18 x 10^3 J/kg°C.
- Specific heat capacity is the amount of heat energy required to raise the temperature of 1kg of a substance by 1°C.
Systems
- There are three types of systems:
- Open system: exchanges both matter and energy with its surroundings (e.g., a hot cup of coffee).
- Closed system: exchanges energy but not matter with its surroundings (e.g., a sealed container of hot water).
- Isolated system: exchanges neither matter nor energy with its surroundings (e.g., a thermos flask).
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