Copper has a specific heat capacity less than half that of aluminum. Place equal masses of aluminum and copper wire in a flame and the one to undergo the fastest increase in temperature will be Select one: O a. aluminum O b. copper Oc both the same
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- question belowQ:33)The burner on an electric stove has a power output of 2.0 kWkW. A 780 gg stainless steel tea kettle is filled with 20∘C∘C water and placed on the already hot burner. f it takes 3.3 minmin for the water to reach a boil, what volume of water, in cm3cm3, was in the kettle? Stainless steel is mostly iron, so you can assume its specific heat is that of iron. Express your answer using two significant figures.
- Lake Erie contains roughly 4.00 ✕ 1011 m3 of water. How much energy is required to raise the temperature of that volume of water from 18.0°C to 21.0°C? How many years would it take to supply this amount of energy by using the 1,400-MW exhaust energy of an electric power plant?The Forth Bridge is an iconic steel bridge in UK, with a length of 2528 m. Calculate the change in length of the steel bridge when the temperature increases from -5 oC to 18 oC. The coefficient of linear expansion of steel is 12 x10^-6 / C a. 0.567 m b. 0.769 m c. 0.432 m c. 0.698 mA man was out snowboarding and notices what when he touches the metal part of chair lift it feels colder than the rubber seat. Are the two the same temperature? Explain using appropriate terms from the energy unit! Paragraph BI + v Lato (Recom.. v 19px .. v 日 合 of
- 7B. A 98.2 g copper rod is cooled from 80°C to 25°C by tossing it into a very large swimming pool at 25°C. The temperature of the pool is not appreciably changed in the process. Compute ASys, ASur and ASniv- (Treat the copper rod as the system.) Some possibly useful data for Cu: C,m-24.44 J K 'mol 'univ p.mNuclear fusion, the energy source at the Sun, hydrogen bombs, and fusion reactors, occurs much more readily when the average kinetic energy of me alums is high-that is, at high temperatures. Suppose you want me atoms in your fusion experiment to have average kinetic energies of 6.40 × 10-14J. What temperature is needed?A 1.19-kg sample of water at 13°C is in a calorimeter. You drop a piece of steel with a mass of 0.31 kg at 224°C into it. After the sizzling subsides, what is the final equilibrium temperature? Make the reasonable assumptions that any steam produced condenses into liquid water during the process of equilibration and that the evaporation and condensation taken together don't affect the outcome, as we'll see later. Hint The final equilibrium temperature of water and steel is °C. If the water is in a glass beaker with a mass of 0.2 kg, which in turn is in a calorimeter, with the beaker at the same temperature as the water, how will this affect the answer? Try answering before doing a detailed calculation. Final temperature will be higher but not significantly so. Final temperature will be significantly lower. Final temperature will be lower but not significantly so. Final temperature will be significantly higher. Using the setup in (b), the final equilibrium temperature of…
- Which would cause a more serious burn: 30 g of steam or 30 g of liquid water, both at 100 °C; and why is this so? O Water, because its specific heat is greater than that of steam. O Steam, because of its specific heat capacity. O Water, because it is denser than steam. O Steam, because of its latent heat of vaporization. O Either one would cause a burn of the same severity since they are both at the same temperature.T9 please help me with the answer and full solution