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A sample of gas weighs 4.134g and has a volume of 910.0ml at 895.0 torr and 39.0 c. what is the molar mass?
what is the pressure exerted onto the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water is 22.3 cm.
What is the pH of the resulting hydrochloric acid solution and 0.40 g of hydrogen chloride (HCl)is dissolved in water to make 6.0L of solution
Differences in boiling points, Rationalize the difference in boiling point between the members of the following pairs of substances:
What are the structures of the products that would be expected to be obtained on hydration of 1-octyne and 2-octyne?
what mass of CH3CO2H is required to prepare 100.00ml of a 0.48M acetic acid solution?
All of the following are substrates or intermediates in the synthesis of phosphatidylinositol EXCEPT
Provides as many reasonable ways as possible of synthesizing 2-choloro-3-methylbutane as the major substrate product starting with substrates that contain 3 or more carbon atoms
a solution that contains 5.94 ppm iron(III) is treated with an appropriate excess of KSCN and is diluted to 50 ml. What is the absorbance of the resulting solution at 580 nm in a 2.5 cm cell
Use the molar volume of a gas at STP to determine the volume (in {rm L}) occupied by 15.0 {rm g} of neon at STP.
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
A reactor is used to decompose toxic H2S gas (that was removed from natural and petroleum gas). The reaction is given as:H2S (v) = 2H2 (v) + S2 (l)
Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
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