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In northern climates it is common to have a layer of frost form on cars that have been out overnight in the winter. During the day the frost disappears despite the temperature remaining below freezing. How? a) the frost melts due to the sun heating the surface of the car above the melting point B) the frost evaporates due to the sun heating the solid c) the frost cycles as does the saturation level of moisture in the winter air does from night to day The frost sublimes directly from solid ice to water vapor e) none of the above
Two liters of argon gas at 300 K and 5 atm are expanded against a constant opposing pressure of 1 atm until mechanical equilibrium is achieved.
mixture(O,H) is ignited with a spark and it reacts to form (H2O)liquid water. determine the temperature of water.
what is the role of lithium hydroxide in the removal of the carbon dioxide exhaled by astronauts?
What is the volume of the air space when the bell has been lowered to a depth of 50m? Take the density of sea water to be 1.025gcm^-3 and assume that the temperature is the same as on the surface
a current of 2.40 a is passed through a solution containing cu2aq for 30.0 minutes with copper metal being deposited at
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
At standard temperature, a gas has a volume of 335 mL. The temperature is then increased to 123 degrees celcius, and the pressure is held constant. What is the new volume
a gaseous mixture of o2 and n2 contains 30.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if
what fators are generally responsible for the variaion in the base strength of nitrogen
Given an IR spectra, Mass spectra, HNMR, and CNMR, what's the best way to determine the formula of an unknown compound
Describe how you would prepare 1liter of 0.2M solution of monobasic sodium phosphate and 1 liter of 0.2M dibasic sodium phospate ( FW for monobasic 137.99 and FW for anhydrous dibasic 141.96
Could you compare acidity stability and reactivity of the Carboxylic acid Aldehyde and Ketone with the explanation
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