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What mass of PbSO4 forms when 1.25L of 0.0500M Pb(NO3)2 and 2.00L of 0.0250M NaSO4 are mixed?
A beaker with 165 mL of an acetic acid buffer with a pH of 5.000 is sitting on a bench. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.00 mL of a 0.390 M HCl solution to the beaker. How much will the pH c..
Calculate the amount of heat energy in each of the following: A) calories removed to condense 125g of steam at 100 degrees celsius and to cool the liquid to 15 degrees celsius
According to the VSEPR model, what are the arrangement of two, three, four, five, and six valence-shell electron pairs about an atom
A mixture of 0.156 moles of C is reacted with 0.117 moles of O2 in a sealed 10.0L vessel at 500.K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO
what are the atomic orbitals used in the double part of the double bond if the c-c axis of the given molecule is the y
Acetone, a common laboratory solvent, has DeltaHvap = 29.1kJ/mol and a normal boiling point of 56.1 C. At what temperature (in C) does acetone have P_vap = 109 mm Hg
A container is filled with C2H6O until its concentration reaches 1.375 mol. How many minutes will it take for 71.5 percent of the C2H6O break down?
How do the spacings of the energy levels of X and H compare, where X has one electron like the H atom but has different energy levels and for X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J)?
At 80 degrees Celsius, pure liquid A has a vapor pressure of 700 mm Hg and pure liquid B has vapor pressure of 940mm Hg. What is XA for a solution of A and B with a normal boiling point of 80 degrees Celsius
Determine how many grams of Hydrogen are required to form 14.01grams of Ammonia and calculate how many grams of ammonia could be formed
Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information
Is the Br2 a gas, and what is the net ionic equation for this reaction?
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