An 920-g piece of iron at 100* C is dropped into a calorimeter of negligible heat capacity containing 50g of ice at 0* C and 92 g of water, also at 0* C. What is the final temperture of the system? The specific heat of iron is 448 J/kg K and Latent heat of fusion of water is 33.5 x 10^4 J/kg Please show all necessary equations and steps. thank you!
5) If 78.6 g piece of iron is dropped into 100.0 g of water initially at 24.6 °C. The final temperature of both water and iron was measure at 28.5 °C. Calculate the initial temperature of iron? (Specific heat of water and iron from #1)
A 115-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 87°C. What is the final temperature of the water after the ice has melted? °C
A 28.8 g piece of iron and a 20.7 g piece of gold at 100.0°C were dropped into 630.0 mL of water at 19.0°C. The molar heat capacities of iron and gold are 25.19 J/(mol·°C) and 25.41 J/(mol·°C), respectively. What is the final temperature of the water and pieces of metal?
a hot piece of iron at 75 degrees celsius was dropped on a 15g ice cube at 0 degrees celsius. after a few minutes, both the iron and the water stayed at 0 degrees celsius but the ice melted completely. what is the mass of the iron? (Ciron = 0.0449 J/g degrees celsius, △Hfus = 6.00 kJ/mol)
A 50.0-g piece of iron at 152 C is dropped into 20.0 g H20(I) at 90 C in an open, thermally insulated container How much water would you expect to vaporize, assuming no water splashes out? The specific hoats of
6) If 15.4 g piece of aluminum is dropped into 654 g of water at 264 °C. The initial temperature of aluminum is 98.4°C. Calculate the final temperature of both water and aluminurn? (Specific heat of water and aluminum is from #1) 7) Calculate Enthalpy of the following reaction (Hz) from standard enthalpies of formation (H) from the table below. (a) C2H5OH(L) + 3 029) - 2 CO2(g) + 3 H2O(1) (b) 3 N0369) + H20(1) - 2 HNO3(aq) +...
xample: The 2-kg piece of putty (m) is dropped 2 m onto the 18-kg block (M) initially at rest on the two springs, each with a stiffness k=1.2 kN/m . Calculate the additional deflection ? due to the impact of the putty which adheres to the block upon contact 2m
A 2.8-kg piece of putty is dropped 2.2 m onto the initially stationary block, which is supported by four springs, each of which has a constant k = 800 N/m. Determine the displacement x as a function of time during the resulting vibration, where x is measured from the initial position of the block as shown. Once you have the general solution answer the questions. 2.8 kg 2.2 m 25 kg WVW
A 24.65 apiece of iron and a 20.60 g piece of gold at 100.0 degree C were dropped into 770.0 mL of water at 21.70 degree C. The molar heat capacities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol, degree C), respectively. What is the final temperature of the water and pieces of metal?