A(n) 60-g ice cube at 0°C is placed in 750 g of water at 20°C. What is the final temperature of the mixture?

A cube of ice is taken from the freezer at -8.5°C and placed in a 100 gram aluminum calorimeter filled with 300 grams of water at a room temperature of 20°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cube? Given the following values: Cice =2100 J/kg/°C, Cwater = 4186 J/kg/°C, Caluminum 920 J/kg/°C, and for water Le 3.33×105 J/kg and Lv = 22.6×105 J/kg. 1

What mass of water at 28.0°C must be allowed to come to thermal equilibrium with a 1.70-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 62.0°C? Assume any water turned to steam subsequently recondenses. kg

On a hot day, you want to cool 0.5L of tap water initially at 25C by adding ice. (a) if you add 45g of ice, what is the final equilibrium temperature of the mixture? (b) how much ice would you need to add to the original sample of water (0.5L at 25C) so that the last of the ice melts as the mixture reaches 0C?

Hi please help: a bubble with original volume 2.5 cm^3 rises from the bottom of a lake to the surface where it grows to a volume of 5.9cm^3 at a pressure of 1.0 atm. Gas molecules were absorbed by the water as the bubble rose so that only 82% of the original gas is in the 5.9 cm^3 bubble at the surface. The temperature at the bottom is 8.2 degrees Celsius and the temperature at the surface is 23.4 degrees Celsius.  Find the pressure at the bottom of the lake (in atm). Use 3 significant figures

€2 When an air bubble rises from the bottom to the top of a freshwater lake, its volume increases by 75%. If the temperature at the bottom of the lake was 3°C and at the top was 13.5°C, how deep is the lake? Hint The lake is Question Help: Message instructor Submit Question #3 3 E 80 F3 $ 4 F4 R cr dº % m deep. 5 F5 T A 6 MacBook Air F6 & 7 F7 Y U *00 8 DII F8 - ( 9 DD F9 1 0 0

Ice has formed on a shallow pond, and a steady state has been reached, with the air above the ice at -7.6°C and the bottom of the pond at 3.7°C. If the total depth of ice + water is 2.3 m, how thick is the ice? (Assume that the thermal conductivities of ice and water are 0.40 and 0.12 cal/m-Cº-s, respectively.) Number Units

One mole of oxygen gas is at a pressure of 5.45 atm and a temperature of 27.5°C. (a) If the gas is heated at constant volume until the pressure triples, what is the final temperature? °C (b) If the gas is heated so that both the pressure and volume are doubled, what is the final temperature? °C Submit Answer

Thank u! A steel rule is calibrated for measuring lengths at 20.00°C. The rule is used to measure the length of a Vycor glass brick: when both are at 20.00°C, the brick is found to be 30.90 cm long. If the rule and the brick are both at 85.00°C, what would be the length of the brick as measured by the rule? Coefficient of linear expansion a for steel is 12.0 x10^-6 K-1 and for glass (Vycor) is 0.750 x 10^-6 K^-1.

What mass of water at 20.0°C must be allowed to come to thermal equilibrium with a 1.90-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 70.0°C? Assume any water turned to steam subsequently recondenses. kg