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If a sample of 6.022 g of CH4 is enclosed in a 30 L container at 402 K. What is its pressure in atmospheres?The volume is reduced to 12 L at constant temperature. What is the new pressure in atmospheres?
Write the expression for the equilibrium constant, Kb, for methylamine also compute the molar concentration of OH- in the 50.0 mL sample of the CH 3 NH 2 solution.
Calculate the number of moles and molality of the solution prepared by dissolving 4.00g of NaOH in 250.0g of water.
Calculate the final volume of a 0.500 L gas container that increased in temperature from twenty six degree Celsius to sixty degree celsius while the pressure increased from 760 torr to 1170 torr?
Draw a structure showing four water molecules bonded to a central water molecule by means of hydrogen bonding. Explain why the pressure of the atmosphere decreases with increasing altitude
What is the percentage yield of SO3 if 22.3 g SO3 are obtained from the reaction of 25.0 g SO2 with an excess of O2.
The magnesium and calcium ions present in seawater([Mg2+] = 0.059 M and [Ca2+] = 0.011 M) can be separated by selective precipitation with KOH.
heat capacity of the bomb calorimeter is known to be 10.6 kJ/C From previous measurements,. Now determine the mass percent of naphthalene(C10H8) in the sample?
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
What was the volume occupied by the sample under the new conditions - Determine what volume of 3.00M HCl in liters is required to react
The J=0 to J=1 transition for carbon monoxide (12C16O) occurs at 1.153 X 10^5 MHz. Calculate the bond length of carbon monoxide.
What is the de Broglie wavelength of a 145 g baseball traveling at 30.0 m/s (67.1mph)? Is the wavelength much larger or smaller than the diameter of an atom .
Nuclear reactions is expressed in given reaction as 2/1H +2 /1H→3/2He + ? ; 233/92U+1/0n→133/51Sb+98/41Nb+?1/0n
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