How much time will it take the water heater to heat water
A portable water heater transfers 225 watts of power to 5.5 L of water. How much time will it take the water heater to heat the 5.5 L of water from 22 to 40 degrees Celsius?
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What is the new volume if the pressure is decreased to 325 mm Hg and the temperature is decreased to -12.5 degree celsius?
Calculate the increase in entropy when 3.50 mol of monatomic perfect gas with Cp = 5/2 R is heated from 250 K to 700 K and simultaneously expand from 20.0 L to 60.0 L.
What happens to the mass of an icecube when we melt it an open container.
The contents of one 40-lb bag of topsoil can cover 10.0 square feet of ground to a depth of 1.0 in. How many bags are needed to cover a plot that measures 200.0 meters by 300.0 meters to a depth of 4.0 cm?
Given this Ksp for lead(II) chloride, find the molar solubility of this salt in a 0.05M of CaCl2 solution. Will Ca(OH)2 prrecipitate if a 0.1M solution of CaCl2 is added to a solution with a pH of 10.7?
The 20 mm diameter steel rod BC is attached to the lever AB and to the fixed support C shown in Fig 9. The uniform steel lever is 100 mm thick and 30 mm deep.
The half-life for the reaction at 550C is 81.3 seconds. How long does it take for 89% of phosphine sample to decompose?
90-g sample of a large biomolecule was dissolved in 23.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
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