40.0 g metal at 34.3 ºC is placed in a calorimeter with 50.0 g water at 25.0 ºC. If the final temperature of the metal and water was 26.5 ºC, what is the specific heat of the metal? (Specific heat of water is 4.18 J/g·ºC.) Report your answer to 2 significant figures
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h
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Which of the following electromagnetic waves can create ions?
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Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
40.0 g metal at 34.3 ºC is placed in a calorimeter with 50.0 g water at 25.0 ºC. If the final temper...
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