judy places 0.150kg of boiling water at 100° C in a thermos bottle. how many kilograms...

judy places 0.150kg of boiling water at 100° C in a thermos bottle. how many kilograms of ice at -12.0°C must judy add to the thermos so that the equilibrium temperature of the water is 75.0°C?

Expert Solution

genius_generous answered 2 years ago

A. The boiling point of water is 100.0°C at 1 atmosphere. How many grams of chromium(II)...

A. The boiling point of water is 100.0°C at 1 atmosphere. How many grams of chromium(II) chloride (122.9 g/mol), must be dissolved in 256.0 grams of water to raise the boiling point by 0.300°C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 ____g chromium(II) chloride. B. The boiling point of water...

100 grams of boiling water (temperature 100

When you take a bath, how many kilograms of hot water (47.3 °C) must you mix...

When you take a bath, how many kilograms of hot water (47.3 °C) must you mix with cold water (13.3 °C) so that the temperature of the bath is 36.0 °C? The total mass of water (hot plus cold) is 195 kg. Ignore any heat flow between the water and its external surroundings.

A pot with boiling water at 100 C, if the handle is 3 mm thick, 22...

A pot with boiling water at 100 C, if the handle is 3 mm thick, 22 mm wide, 300 mm long and exposed tp 19 C temp, h= 5 w/m2 c. What is the temp at the end of the handle if it is k= 13, and then if it was k = 180 W/m.k What kind of assumptions Does insulation need to be on the intire handle from being burned why?

A bottle of Dasani water has a volume of 500 milliliters. How many moles of water...

A bottle of Dasani water has a volume of 500 milliliters. How many moles of water are in the bottle? Give your answer to three significant figures. 2. How many iron atoms are in a 6.75 lb iron railroad spike? 3. What is the mass of 0.0023 moles of NaCl? Give your answer in milligrams.

For ochem Rank the boiling point of water at these following three places. Explain why? A)...

For ochem Rank the boiling point of water at these following three places. Explain why? A) Deat Valley, Elevation -285 ft, P=1.01 atm B) New York City, Elevation 0 ft, P=1.00 atm c) Laramie, WY, Elevation 7165 ft, P=0.75 atm In column chromatography. what would happen if the elution solvent is too polar?

How many grams of glucose, C6H12O6, must be dissolved into 394.7 g of water at 100°C...

How many grams of glucose, C6H12O6, must be dissolved into 394.7 g of water at 100°C to reduce the pressure of water above the solution to 686.4 mm Hg? The solute is a non-volatile compound.How many grams of glucose, C6H12O6, must be dissolved into 394.7 g of water at 100°C to reduce the pressure of water above the solution to 686.4 mm Hg? The solute is a non-volatile compound.

What is the boiling point of water? a) 100 °F b) 671.67 °R c) 373 °C d) 212 °r

How many kilograms of 0°C ice needs to be added to 4 kg of 80°C tea...

How many kilograms of 0°C ice needs to be added to 4 kg of 80°C tea to change the temperature to 10°C? Assume tea has the same specific heat as water.

How many kilograms of water can be evaporated from a 1 m^2 surface in a lake...

How many kilograms of water can be evaporated from a 1 m^2 surface in a lake on a hot summer day, if it is assumed that the limiting factor is solar insolation (1000 W/m^22). Assume that the length of the day is 8 hours and that the air and water temp are at 40 degrees Celsius. B. What volume of air is needed to hold this much water vapor at 40 oC. C. When the sun sets, the air temperature...

Question