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A man fills a balloon with .5 liters of air. He then puts the ballon into the oven and heats it to 204 degrees celcius. the temperature outside the oven was 20 degrees celcius. what is the new volume of the balloon and what law is used to solve this?
A uniformly charged thin ring has radius 14.5cm and total charge 23.0nC . An electron is placed on the ring's axis a distance 30.0cm from the center of the ring and is constrained to stay on the axis of the ring. The electron is then released from..
From this data, calculate the temperature at which ice is in equilibrium with liquid water.
A mass of 57 g of lead fishing weight absorbs heat of 146 Calories. Determine its final temperature If its initial temperature =48 Centigrade,?
Calculate the fraction of space that is occupied by packing spheres in the (a) simple cubic, (b) body-centered cubic, (c) face-centered cubic (close packed) structures
How many mL of 0.25 N of NaOH will be used to titrate 0.348g of primary standard KHP, C6H4COOK . COOH?
The activation energy for a particular reaction is 64 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 80 oC
What volume will a sample of hydrogen occupy at 28.0 degrees celsius if the gas occupies a volume of 22.3 dm3 at a temperature of 0.0 degrees Celsius. assume that the pressure remains constant
when a 45 g sample of an alloy at 100 c is dropped into 100 g of water a 25c the final temperture is 37 c. what is the
in the commercial manufacture of nitric acid how many liters of nitrogen dioxide will produce 30 liters of nitric oxide
The manometer shown below measures the pressure of the water in the tank. Using variables for the densities (no values given), find the gage pressure at point A.
Which is predicted to be the most ionic substance? a) NiS b) CuI c) CoO d) NaBr
The standard enthalpy change for the reaction below is -905.4 kJ (for the reaction as written). What is the standard enthalpy of formation of NO(g)
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