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A sample of gas has a pressure of 328 torr while occupying a volume of 8.6 liters at 25 degrees Celsius. If the volume was reduced to 2.4 liters at the same temperature, what would be the gas pressure in torr?
Reactions within equations and properties of acidity, A reaction occurs for each of the following below. How do you differentiate between the different driving forces? (a driving force can either be the transfer of electrons; the formation of a pr..
The standard molar heat of vaporization for water is 40.79 kJ/mol. How much energy would be required to vaporize 29.0 g of water?Answer in units of kJ.
Upon resonding to a 2am domestic transportation mishap, your hazmat team determines that a liquefied compressed gas is leaking from a 5lb steel cylinder.
Calculate the mass percent of a NaCl solution in which 110 g of NaCl is dissolved in 2.41 L of water at 25 0C (density = 0.997 rm g/mL).
The cube has an edge length of 0.26 ± 0.03 m. The volume of a cone is 1/3(pie)r^2h . What is the volume and uncertainty of the added water?
Calculate the expected pH values of the buffer systems from the experiments (a, b, c, d) using the Henderson-Hasselbalch equation (pH= pKa + log [A-] ). Use for pKa values: carbonic acid= 6.37 and acetic acid= 4.75.
What is the composition in mole fractions of a solution that has a vapor pressure of 39 at 20 ? Express your answer using two significant figures.
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
If the percent yield of 3NO2 + H2O yields 2HNO3 + NO is 75.0 percent and 45.0 grams of NO2 are consumed in the reaction, how many grams of HNO3 are produced?
Determine the concentration of CO32- ions in a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11."
calculate the mass of Fe(NO3)3 that you would need to yield a similar conductivity value as the NaCl
the density of an unknown compound made from sulfur and oxygen is 2.47 x 10^-3 g/mL at 23 C and 76 kPa. what are the possible molecular formulas for the compound?
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