Consider a gas cylinder containing 0.100 moles of an ideal gas in a volume of 1.35 L with a pressure of 1.00 atm. The cylinder is surrounded by a constant temperature bath at 298.0 K. With an external pressure of 5.00 atm, the cylinder is compressed to 0.500 L. Calculate the AS(gas) for this compression process, in J/K. J/K

The thermite reaction, used for welding iron, is the reaction of FegO4 with Al. 8 Al (s) + 3 Fe3O4 (s) > 4 Al203 (s) + 9 Fe (s) AH° = -3350 kJ Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000°C. How much heat (in kJ) is released by the reaction of 16.5 g of Al with 76.7 g of Fe304? Enter your numerical answer in units of kJ.

Find the mass of water that vaporizes when 2.10 kg of mercury at 205 °C is added to 0.10 kg of water at 30°C. Assume the following: Cmercury (specific heat capacity of mercury) - 139 J/(kg.°C): Cwater (specific heat capacity of water) = 4186 J/(kg.°C); and L, (water) = 2.26x106 J/kg

Cict), 1utitiny tile metal. 3. When 5.12 g of a solid is added to a calorimeter containing 18.45 g of water at 25.1 °C, the contents of the calorimeter are swirled to equilibrate. The final temperature is 22.5 °C in the calorimeter. What is the AH ? rxn

30 moles of a gas are contained in a 50 L container subjected to 5 atm, if its temperature decreases from 85 ºC to 27 ºC in an isochoric process, known its molar specific heat Cv = 7/2 · R (where R = 8.31 J / mol · K).b) Determine U, H, Q, and W

6. Toluene, C;Hs, is used in the manufacture of explosives such as TNT. A 1.500 gram sample of liquid toluene was placed in a bomb calorimeter along with excess oxygen. When the combustion of the toluene was initiated, the temperature of the calorimeter rose from 25.000°C to 26.413°C. The products of the reaction were carbon dioxide and water, and the heat capacity of the calorimeter was 45.06 kJ/°c. Write a balanced thermochemical equation for the combustion of toluene.

What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.567 mol of CO, in the following chemical reaction? Sro (s) + CO2 (g) → SrCO3 (s) AH° = -234 kJ/mol Tap here or pull up for additional resources

thermometer A 53.6 g sample of brass, which has a specific heat capacity of 0.375 J'g.°C', is put into a calorimeter (see sketch at right) that contains 300.0 g of water. The temperature of the water starts off at 19.0 °C. When the temperature of the water stops changing it's 20.2 °C. The pressure remains constant at 1 atm. insulated container water Calculate the initial temperature of the brass sample. Be sure your answer is rounded to 2 significant digits. sample - a calorimeter Continue Submit Assignment 02021 McGraw Hill LLC A Rights Reserved. Terms of Use Privacy Center I Accessibility

Ke V> %24 O 4. 5. n レ ! IIO 8. 大 nces ok 31.10°C, what is the specific heat capacity of the alloy? coffee-cup calorimeter with a heat capacity of 9.20 J/K. If the final temperature of the system is A 17.2-g sample of an alloy at 93.00°C is placed into 50.0 g of water at 22.00°C in an insulated