6. can be converted into thermal energy by reactions like oxidation.
Q: Calculate the maximum specific heat for an asser aving two energy levels separated by an energy v if
A: Given:- an assembly of systems having two energy levels separated by an energy v if the upper level…
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Q: A 6-g sample of sugar is burned in a calorimeter. The temperature of 1 kg of water in the…
A: Given data: Mass of sugar = 6 g Mass of water (m) = 1 kg Initial temperature (Ti) = 20°C Final…
Q: Food in microwave is heated by A. conduction B. Neither. C. Radiation D. convection
A: Food in microwave is heated by A. conduction B. Neither. C. Radiation…
Q: 5. Why does steam at 100°C cause more severe burns than does liquid water at 100°C? Interpreting…
A:
Q: 10. At constant volume (-0.01m') the pressure of 1g of Hydrogen is increased from 1.0X10' Pa to 2.0…
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Q: An ideal diatomic gas follows the thermodynamic cycle illustrated in the given PV-diagram. The…
A: According to first law of thermodynamics Q = ΔU + W
Q: 22. How much energy is needed to completely melt a 15 g of ice? A. 4990 J B. 4995 J C. 5990J D. 5995…
A: While melting an ice, there is a phase transformation happening, So we have to provide the heat…
Q: 8. Say you have 1 kg of iron and 1 kg of water. You allow each of them to experience a temperature…
A: Temperature change in water and iron.
Q: Two blocks of platinum have a temperature of 200C. One block has a mass of 10 G, the other block…
A:
Q: 13) Explain why a solid undergoes thermal expansion in a microscopic model. 14) Thermal expansion is…
A: 13) A result after increasing temperature of solid is called the expansion of solids. Thermal energy…
Q: The faster the molecules move, the lower the temperature. TRUE / FALSE 5. Materials of low thermal…
A:
Q: 3. Consider the condensation of steam to ice. What quantity of ice is melted if 47g of ice and 7g of…
A:
Q: 2. Does a substance that heats up quickly have a high or a low specific heat capacity? Explain?
A: Specific heat capacity is the heat capacity possessed by the sample divided by the mass of it.
Q: 2) 1000 J electrical energy was used to give heat energy of 250 cal. to 25 gm of water. The ratio…
A:
Q: A 600-g piece of tin absorbs 1000 J of heat. By how much will its temperature change? (Ctin = 227…
A: Mass ( m ) = 600 gram = 0.6 kg Energy ( Q ) = 1000 J Specific heat capacity ( c ) = 227 J/kg K
Q: The entropy of two liquids is increased if they mix. How can immiscibility be explained in terms of…
A: Entropy is a measured physical attribute that is most usually linked with a condition of disorder,…
Q: 1. Why should the transferring of the hot metal from the beaker to the calorimeter be done quickly?
A: calorimeter :- it object that, used to measuring the heat of physical and chemical changes and heat…
Q: 5. The tendency of matter to change in length, area and volume in response to a change in a…
A: Thermal expansion- It is a tendency of a matter where matter change its shape,volume and area with…
Q: 6. The relationship between the coefficient of volume expansion ß and the coefficient of linear…
A: We know the expression for cofficient of linear expansion is α =β2=γ3 So the realtion between…
Q: The typical person expends 525 calories an hour playing badminton with friends. How much energy is…
A: Energy requirement per hour,E=525 Calories/hr
Q: 1. What heat is required to cause water of 250 g to be boiled. The initial temperature of water is…
A: Given that,Mass of water : m = 0.25 (kg)Initial temperature of water : T1 = 20°CBoiling point of…
Q: 8. A 900-kg roller coaster car paused at a vertical height of 50 m on the ride's second hill. If it…
A: According to the law of conservation of energy, energy cannot be created. It simply alters its…
Q: 3. Fill in blanks: a- Particles in matter are always moving due to their b- is the flow of energy…
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Q: 3. State which method of heat transfer: (a) does not require particles (b) works because particles…
A: Heat transfer It is method in which heat energy can transfer from one to another point.
Q: 11. State the three laws of thermodynamics. a. First Law b. Second Law C. Third Law
A: Thermodynamics is the engaging field in which detailed energy movements take place, displaying the…
Q: 5. What mass of steam at 100degree Celsius must be mixed with 250g ice at its melting point, in a…
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Q: gine. Starting at the same maximum operating temperature, which would be more
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Q: 15. Atoms and molecules inside all objects are in random motion. The internal kinetic energy from…
A: We have to fill in the blank for the above question.
Q: 4. Why is the energy required to melt I kg of ice about six times lower than the energy required to…
A: SOlution; 4. to find the energy required for ice and boil water 5. heat can not transfer between two…
Q: What volume is occupied by 200 grammes of oxygen (О2) at a pressure of P = 95 000 N/m2 and a…
A: Mass of Oxygen(02)= 200gm= 0.2 kg Pressure, P= 95000 N/m2 Temperature, T= 300 C= (300+273)K= 573K
Q: 8. Shaming of flying: is it fair? We are seeing in recent years the shaming of flying. The reasoning…
A: Now a days flight shaming is popular to curb the global climate change . this initiation is…
Q: 1. How much heat is required to change the temperature of lead from 15°c to 65°c?
A: The specific heat capacity of lead is 0.129 J/goC. The heat required to rise the temperature from…
Q: A teakettle contains 3 pounds of water at room temperature (68°F). If 20% of the electric energy to…
A: Solution: Specific heat of water is 4.187 kJ/kgC. Convert 3pounds to kg. 3 pounds =3×0.4536=1.36 kg…
Q: 1. Calculate how much energy (kJ) is required to heat a liter of water from 30°C to saturated liquid…
A: Given: Mass of the liquid, m = 1 liter = 1000 m3 Temperature, T1 = 30 oC = 303 K Specific heat of…
Q: 5. The University has 1.1 MW of solar panels installed on the upper level of Regents Garage. Over…
A: A Mega-Watt-hour is equal to a thousand kilo-Watt-hours. A Giga-Watt-hour is equal to a thousand…
Q: 2. Calculate the specific heat of a metallic element if 314 joules of heat energy are needed to…
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Q: densed it’s temperature does not change how goes the potential energy of the molecules of the…
A: Given:- . As a substance is condensed its temperature does not change. Find:- How goes the…
Q: 2. What is the Latent Heat of Fusion of a substance if 1200 J melts 40 grams of it? 20 J/g 30…
A:
Q: 5. Why do you think different substances heat up and cool down at different rates?
A: Consider the mass of the substance is m and the increase or decrease in the temperature is ΔT.
Q: 3. Classify The following statement as a theory or a law:Heating the air in a hot-air balloon causes…
A: To find if the statement is a theory or law.
Q: Explain the advantages and disadvantages of floating cylinder biogas plants.
A: Advantages of floating cylinder biogas plants:Floating cylinder biogas plants are easy to understand…
Q: 14. What effect does boiling point have on temperature? O As a liquid reaches its boiling point,…
A: ques: what effect does boiling point have on temperature?
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