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State a balanced net ionic equation for the reaction between lead nitrate and sodium sulfate, in solution. Explain how many milliliters of 0.480M NaOH would be vital to titrate a5.00 mL solution of 0.320 M H2SO4?
What is the pH of a 0.30 M pyridine solution that has Kb=1.9x10^-9? the equation for the dissociation of pyridine is C5H5N5(aq)+H2O(l) >>> C5H5NH(aq)+OH-(aq).
How do you tell whether a solution is basic, acidic or neutral just by looking at the formula? Like KCl. I need to know how to figure out whether it's neutral, basic or acidic and have no clue how this is done.
Determine How many grams of NaOCl are in the solution if the percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%.?
Write the molecular formula for a compound with the possible elements C, H, N & O that exhibits a molecular ion at M+ = 96.0571. Molecular formula (In the order CHNO, with no subscripts)
Draw the skeletal structure of all the tripeptides you can make combining one of each of these amino acids. Show your products in the unionized state and omit any stereochemistry.
one mole of and ideal moatomic gas initially at stp is adiabatically expanded into a vacuum. calculate the temperature
Find the change in entropy (S) for the system, surroundings and universe for the conversion of 1 mol of ice at 0 degrees C and 1.00 atm to 1.0 mol of steam (vapor) at 100 degrees C and 0.50 bar
a sample of gas is collected over water at a temperature of 28.0degc when the barometric pressure reading is 742.5
Derive an expression for the number of molecules with a speed (c) greater than some specified speed (c'). Recall that the number of molecules having speed in a certain range is the integral under the Maxwell-Boltzmann speed distribution curve ..
Two 20.0-g ice cubes at -18.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Given your knowledge of complex ion formation, what do you expect to happen to the solubility of ZnS(s) in a solution containing excess NH3?
For the same atoms at the lattice points, which lattice exhibits the lowest density? (please explain your reasoning) (A) body-centered cubic (B) face-centered cubic
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