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A 35 L tank of oxygen is at 315 K with an internal pressure of 190 atmospheres. Howmany moles of gas does the tank contain?
A balloon that can hold 85 L of air is inflated with 3.5 moles of gas at a pressure of 1.0 atmosphere. What is the temperature in C of the balloon?
CaCO3 decomposes at 1200 C to form CO2 gas and CaO. If 25 L of CO2 are collected at 1200C, what will the volume of this gas be after it cools to 25 C?
Question- a) What modern technique is the most common form of Inorganic Mass Spectroscopy in use today? b) Give the complete name and abbreviation for three (3) hyplienated technique, GC and detector combination.
Equal initial pressures of hydrogen and nitrogen are added to a container at 298K where they react as in question 1. (question 1 is at the end) a. If the equilibrium pressure of hydrogen is 1.5 atm, determine the equilibrium pressures of nitrogen a..
A balloon filled wit .500 L of air at sea level is submerged in the water to a depth that produces a pressure of 3.25 atm. What is the volume of the balloon at this depth
Determine the pressure of one gram (each) of gaseous H2, He, and Ar, where each samole is contained in a volume of one liter at 0 degrees centigrade
calculate the volume in ml of .500 M HA , .5ooM NaA , and water required to make 250 ml of a buffer with a total concentration
At 100 ?C the vapor pressures of hexane and octane are 1836 and 354 torr, respectively. A certain liquid mixture of these two compounds has a vapor pressure of 666 torr at 100 ?C. Find the mole fractions in the liquid mixture and in the vapor phas..
Use resonance forms to show the delocalization (over four carbons atoms) of the positive charge of the benzyl cation
the photosynthesis reaction is 6co2g6h2og-gt c6h12o6s6o2g. if the reaction requires 2.823 kjmole of c6h12o6 formed how
carbon disulfide can b made by the reaction of carbon dioxide and sulfur trioxide 2so3(g) + Co2(g) + heat >
Natural lithium is 92.58% lithium-7, with atomic weight 7.016, and 7.42% lithium-6, with atomic weight 6.015. What is the observed atomic weight of lithium as it occurs in nature?
Determine water solubility under normal atmospheric conditions (assuming that Carbon dioxide obeys Henry's law?)
what is the average density of the sun in units of grams per cubic centimeter? The volume of a sphere is (4/3)?^3.
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