An unknown material with a mass of 1 kg is heated from 200C to 500C. The amount of heat energy required was 3.7 kJ. Calculate the specific heat and identify the material.
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 91.5°C. The substance is…
A: The given values are, mu=0.125 kgTi,u=91.5° Cmw=0.285 kgTi,w,Al=27.5° CmAl=0.150 kgTf=32.0° C
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Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 92.0°C. The substance is…
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Q: A small electric immersion heater is used to heat 87 g of water for a cup of instant coffee. The…
A: Given data: Mass (m) = 87 g = 0.087 kg Power (P) = 170 watts Initial temperature (Ti) = 18°C Final…
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Q: We pour 0.200 Kg of hot coffee at 80°C into a silver cup of mass equal to 0.400 Kg which is…
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Q: What mass of steam at 100°C must be mixed with 250 g of ice at its melting point, in a thermally…
A: Formula required:
Q: A bullet made of silver (specific heat 234 J/kg deg C) traveling at 480 m/s hits a wooden post and…
A: Given data: Specific heat capacity (c) = 234 J/kg.°C Speed (v) = 480 m/s Heat Energy (Q) = 41% of…
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Q: A bullet made of silver (specific heat 234 J/kg deg C) traveling at 370 m/s hits a wooden post and…
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Q: If the specific heat of pure liquid substance A is 9.167 J/kg.oC, find the amount of heat a 5 kg of…
A: Given: Mass of substance, m = 5 kg Specific heat of substance, S = 9.167 J/kg- °C change in…
Q: he temperature of a silver bar rises by 15° C when it absorbs 1.32kJof energy by heat.The mass of…
A: Given data: Change in temperature is ∆T=15 oC Change in heat is, ∆Q=1.32×103 J Mass of the bar is…
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Q: A 65.4.g copper cylinder at the temperature of 99.5 0C is placed into an aluminum cup with cold…
A: Given Mass of Copper Cylinder = 65.4 gram Temperature of Copper Cylinder = 99.5°C Mass of aluminum…
Q: How many joules are needed to change 50 g of ice at 0°C to steam at 120° C?The latent heat of fusion…
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A: To solve this problem, we can use the equation: q=mcΔT where q is the amount of heat transferred, m…
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Q: A 60.0-kg runner expends 342 W of power while running a marathon. Assuming 14.0% of the energy is…
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Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 90.0°C. The substance is…
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Q: A styrofoam container used as a picnic cooler contains a block of ice at 0°C. If 564 g of ice melts…
A: Given data: Mass of ice (m) = 564 g = 0.564 kg Time (t) = 1 hour = 3600 seconds The heat of fusion…
Q: 21.0 g of copper pellets are removed from a 300C oven and immediately dropped into 70.0 mL of water…
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