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Which of the folllowing statements about the solubility of 1- propanol, ch3ch2ch2oh, and ethanethiol, ch3ch2sh, are true?
A) Ethanethiol is more soluble in water because sulfer has agreater electronegativity value than oxygen.
B) Ethanethiol is more soluble in water because it has a lower molecular mass than 1-propanol.
C) 1-propanol is more soluble in water because it has a greater molecular mass than ethanethiol.
D) 1-Propanol is more soluble in water because oxygen has a greater electronegativity value than sulfer.
The combustion of 135 mg of a hydrocarbon produces 440mg of CO2 and 135 mg of H2O. The molar mass of the hydrocarbon is 270 g/mol.
Find the mass of sodium required to produce 5.68 L ofo hydrogen gas at STP from the reaction described by the following equation: 2Na+2H2O-->2NaOH+H2
The average pH of precipitation in rural areas is 5.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere.
How many moles of bromine will react with 0.0500 mole of C2H2 in the reaction C2H2 + 2 Br2 -> C2H2Br4?
9.780 grams of gaseous mixture contains ethane ,C2H6 and propane ,C3H8. it needs 1.120mol of oxygen when complete combustion to form CO2 and H2O. Compute the mass percent of C2H6 in the original mixture.
determined that each molecule of the unknown base could accept two protons. What is the molar mass of this unknown compound?
Suppose that 347 mL of argon is collected over water at 25 ?C and 715 torr. Compute the volume of the dry argon at STP. The water partial pressure at 25 ?C is 23.8 torr.Answer in units of mL
A particular coal contains 2.92% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas. The sulfur dioxide gas then reacts with calcium oxide to form solid calcium sulfite
For each of the following equilibria, use Le Chatelier's principle to predict the direction of reaction when the volume is increased.
calculate the number of moles of He gas is present in a 1500ml balloon at a pressure of 640 torr and temperature of 25 degrees Celsius?
solid sodium metal reacts with water, giving a solution of sodium hydroxide and releasing hydrogen gas
Detremine the concentration of chromate solution - Potassium chromate has an absorbance value
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