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uestion 2 When 49.5 J of heat was transferred to 7.3 g iron at 22°C, the...
When 54.5) of heat was transferred to 7.3 g of iron ore at 25.2°C, the temperature of iron ore increases to 56.2"C. What is the specific heat of the iron ore in C? Type your answer
62 1 point When 37.2 J of heat was transferred to 6.8 g of iron ore at 30.2°C, the temperature of iron ore increases to 59.7"C. What is the specific heat of the iron ore in J/g. "C? Type your answer Previous Next
1. Zinc has a specific heat of 0.39 J/g°C while iron has a specific heat of 0.45 J/g°C. If a 100g sample of each metal is cooled from 100°C to room temperature (25°C), which one releases more heat energy? 2. An engineer tests the thermal properties of a metal alloy. Using a 50.0 g alloy sample, she finds that adding 487 J of heat energy to the alloy causes a temperature change of 4.10°C. What is the specific heat of...
A 61.93 gram sample of iron (with a specific heat of 0.450 J/g °C) is heated to 100.0 °C. It is then transferred to a coffee cup calorimeter containing 40.6 g of water (specific heat of 4.184 J/ g °C) initally at 20.63 °C. If the final temperature of the system is 23.59, what was the heat absorbed (q) of the calorimeter? (total heat absorbed by the water and calorimeter = heat released by the iron)
help A 22.9 g sample of iron absorbs 155 J of heat, upon which the temperature of the sample increases from 23.9°C to 38.9 °C. What is the specific heat (s) of iron? Hint: s = (m X AT) O 0.451 J/g-°C O 102 J/g-°C 53,200 J/g-°C O 0.451 J/g-°C 237 J/g-90
A 60.80 gram sample of iron (with a heat capacity of 0.450 J/g◦C) is heated to 100.00 ◦ It is then transferred to a coffee cup calorimeter containing 52.42 g of water (specific heat of 4.184 J/ g◦C) initially at 20.47 ◦C. If the final temperature of the system is 28.78, what was the heat gained by the calorimeter? If the calorimeter had a mass of 25.19 g, what is the heat capacity of the calorimeter?
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
The temperature of a sample of iron increased by 24.3 °C when 269 J of heat was applied. What is the mass of the sample? Substance Specific heat J/(g · °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903
a 32.44 g sample of iron absorbs 190.8 j of heat upon which the temperature of the sample increases from 21.1c to 43.0 c what is the specific heat of iron
The specific heat capacities for several substances are shown in the table. Substance Specific Heat (J/g.°C) iron 0.45 methane 2.19 water 4.18 brick 0.84 If equal masses of each substance absorb the same amount of heat, which substance undergoes the greatest temperature change? brick O water O methane O iron