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A cylinder with a moveable piston contains 184mL of nitrogen gas at a pressure of 1.02atm and a temperature of 306 K. What must the final volume be for the pressure of the gas to be 1.52m atm at a temperature of 370 K
When the titration reaches the equivalence point, the student finds she has used 91.4 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution.
Three compounds are to be separated using HPLC. Compound A and Compound B have the same polarity but are more polar that Compound C. Compound A and Compound C have the same molecular weight (5000), and Compound B has a molecular weight of 26,000.
How much energy is released in (kJ) in the fusion reaction 2^H to yield 1 mol of 3^He? The atomic mass of 2^H is 2.0141 amu, and the atomic mass
The average distance between planet X and Earth is about 2.59 x 108 miles. How long (minutes) would it take pictures transmitted from a space vehicle on Planet X's surface to reach Earth
Propose a mechanism to account for the formation of a cyclic acetal from 4-hydroxypentanal and one equivalent of methanol
Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of water is 0.00°C.
A mixture of gases contains 0.290 mol CH4, 0.240 mol C2H6, and 0.300 mol C3H8. The total pressure is 1.40 atm. Calculate the partial pressure of the gases.
50 g of aluminum oxide is produced in the reaction of aluminum metal and oxygen gas at STP. How many liters of oxygen gas were reacted?
calculate the mass of a sample of gold that occupies 5.0 X 10^-3 cm3 if the density of gold is 19.3 g/cm
What is the percent mass concentration of NaCl in a solution that is prepared by adding 15.0 g of NaCl to 90.00 g water? What happens to each of the following properties of a solution when the concentration of solute is decreased?
The disinfectant hydrogen peroxide (H2O2) decomposes to form water and oxygen gas.How much O2 will result from the decomposition of 3.21 mol of hydrogen peroxide?Answer in units of mol.
Consider a triprotic system whose fully protonated form can be denoted by H3A. By definition, the fractional composition of the most basic form of the system, A3-, can be written as
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