Question

In: Chemistry

A 1.0 gram sample of an unknown metal was heated to 75 C, and then placed...

A 1.0 gram sample of an unknown metal was heated to 75 C, and then placed in a calorimeter filled with 100mL of water that had an initial temperature of 26 C. Once the system was allowed to reach thermal equilibrium the temperature of the water was 31 C. what is the specific heat capacity of the metal?

Solutions

Expert Solution


Related Solutions

A 45.0-gram sample of copper metal was heated from 20.0 C to 100.0 C. Calculate the...
A 45.0-gram sample of copper metal was heated from 20.0 C to 100.0 C. Calculate the heat absorbed (in kJ) by the metal. If this 45.0-gram sample of copper is now placed in 150 grams of water at 20.0 C in a calorimeter, what will be the temperature of the water at thermal equilibrium? What gains heat? What loses heat? How much heat is exchanged (in kJ)? Specific heat of Copper .385 and a density of 8.92
A 15.0g sample of an unknown metal at 85.0*C was placed in 60.0g of water at...
A 15.0g sample of an unknown metal at 85.0*C was placed in 60.0g of water at 20.0*C. the final temperature of the metal and water was 25.8*C. calculate the metal's specific heat (please show the work) how much heat in calories and joules is required to raise the temperature of 75.0g of a substance (specific heat is 1.80cal/g x *C) from 25.0*C to 95.0*C? please show the work. thank you
A 26.51 gram sample of cobalt is heated in the presence of excess iodine. A metal...
A 26.51 gram sample of cobalt is heated in the presence of excess iodine. A metal iodide is formed with a mass of 140.7 g. Determine the empirical formula of the metal iodide. Enter the elements in the order Co, I empirical formula =
a 15.04 gram sample of chromium is heated in the presence of excess iodine. a metal...
a 15.04 gram sample of chromium is heated in the presence of excess iodine. a metal iodide is formed with a mass of 125.2g. determine the empirical formula of the metal iodide
A 7.640 gram sample of iron is heated in the presence of excess iodine. A metal...
A 7.640 gram sample of iron is heated in the presence of excess iodine. A metal iodide is formed with a mass of 42.36 g. Determine the empirical formula of the metal iodide.
A 44.39 gram sample of iron is heated in the presence of excess oxygen. A metal...
A 44.39 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 63.46 g. Determine the empirical formula of the metal oxide. Enter the elements in the order Fe, O empirical formula =
A 21.31 gram sample of cobalt is heated in the presence of excess fluorine. A metal...
A 21.31 gram sample of cobalt is heated in the presence of excess fluorine. A metal fluoride is formed with a mass of 41.93 g. Determine the empirical formula of the metal fluoride
A 0.831 gram sample of SO3 is placed in a 1.00 L rigid container and heated...
A 0.831 gram sample of SO3 is placed in a 1.00 L rigid container and heated to 1100 K. The SO3 decomposes to SO2 and O2 :                                     2SO3(g) ↔ 2SO2(g) + O2(g) At equilibrium, the total pressure in the container is 1.300 atm. Calculate the value of Kp at 1100 K Extra Credit: Consider two containers A and B where A is a rigid container and B is a container with a massless, frictionless piston that maintains constant pressure....
1. A 48.0−g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter...
1. A 48.0−g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 70.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 10.4 J/°C.) 2.A balloon 19.0 m in diameter is inflated with helium at 23°C. Calculate the work done (in kJ) during the inflation process if the atmospheric pressure is 97.7 kPa. 3.Ice...
A sample of rhodium is heated to 137.50°C. The sample is then placed in a cup...
A sample of rhodium is heated to 137.50°C. The sample is then placed in a cup containing 11.3g of water at 23.30°C. The final temperature of the water and rhodium is 26.41°C. Calculate the mass of the sample of rhodium. The specific heat of water is 4.184J/g°C The specific heat of rhodium is 0.242J/g°C
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT