Calorimetry - Page 3
Questions
- Find the amount of heat energy needed to convert 400 grams of ice at -38°C to steam at 160°C? 1284440 Joules 246840 Joules 331056 Joules 159984 Joules
- (full question below) "How much water would you expect to vaporize, assuming no water splashes out?"
- What would be the final temperature if #3.31 * 10^3# joules of heat were added to 18.5 grams of water at 22.0°C?
- What is the molar heat of combustion when #"25000 g"# of methanol is combusted in a bomb calorimeter to raise the temperature of the surrounding water by #40^@ "C"# if the heat capacity of the calorimeter is #"10.4 kJ/"^@ "C"#?
- Chemistry; Calorimetry; Calculating Heat Capacity; Help Please?!
- If you combine 300.0 mL of water at 25.00°C and 110.0 mL of water at 95.00°C, what is the final temperature of the mixture?
- How much heat is given off when 1.25 grams of silver is cooled from 100.0 C to 80.0 C?
- Use this balanced equation #2C_2H_2 + 5O_2 -> 4CO_2 + 2H2_O + 2599 kJ#. How much energy is needed to produce 42.9 grams of carbon dioxide?
- How much energy is required to raise the temperature of a #300*g# mass of water by #75*K#?
- How many joules are required to heat 15.2 g of water at 35.0°C to 70.0°C?
- The specific heat capacity of liquid water is 4.18 kJ/g C, how would you calculate the quantity of energy required to heat 1.00 g of water from 26.5 C to 83.7 C?
- 900 kg water have T1 = -40 C, T2 = 0C and T3 = 5 C, How much energy is needed to melt this mass of water in 2 hours? Thank you so much.
- If 5,100 joules of heat are given off when a sample of water freezes, what Is the mass of the water?
- 350g of 0.0°C ice cubes are placed in a glass of 700g of room temperature water (23.0°C) in an experiment. Later, the temperature of the water in the glass is measured at 13.0°C. Does all of the ice melt?
- How many kilojoules are required to warm 25.0 g of water from 75.0 C to 100.0 C and convert it to steam at 100.0 C? The heat of vaporization of water is 2260 joules/g, and the the specific heat of water is 4.184 joules/g?
- A student conducting a calorimetry investigation determines a negative #DeltaH#. What does the negative value indicate about the reaction?
- How much heat is added to 10.0 g of ice at -200°C to convert it to steam at 120.00°C?
- Two solutions, initially at 24.60 degrees celsius are mixed in a coffee cup calorimeter (Ccal = 15.5 J/ degree celsius). When a 100.0 mL volume of 0.100 M AgNO3 solution is mixed with a 100.0 mL sample of 0.200 M NaCl solution...?
- When is indirect calorimetry necessary?
- A silver block, initially at 58.5°C, is submerged into 100.0 of water at 24.8°C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.2 °C. What is the mass of the silver block?