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A beaker of salt water has some solid NaCl at the bottom? What type of solution is in the beaker?
What mass of NaOH could this buffer neutralize before the pH rises above 4?
Calculated what is the pressure in atm using the van der Waals' equation for Oxygen gas under these conditions? For O 2 , it is given a = 1.360 L2atm/mol2 and b = 3.183E-2 L/mol.
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
Determine the pH of a solution of 10-3 M sodium formate. (Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria.
If aluminum and sulfide come together to form an ionic compound, the formula for the ionic compound would be
Calculate the pH of the following solution made from .210 M in pyridime (C5H5N) and .350 M in pyridime chloride (C5H5NHCl). Kb: 1/7 x 10^-9
Suppose that 28 g of gold is initially at 29.0 degrees celsius. What is the final temperature gold upon absorbing 2.25 kJ of heat?
Calculate the radiation dosage (in grays) for an 57-kg person that is exposed for 3.0 seconds to a 3.0 Ci source of beta radiation.
Sodium oxalate, Na2C2O4, in solution is oxidized to CO2 by MnO4- which is reduced to Mn2+. A 50.1 volume of a solution of MnO4- is required to titrate a 0.339 g sample of sodium oxalate.
Calculate DE, and determine whether the process is endothermic or exothermic for the following cases: A system releases 29 kJ of heat to the surroundings and does 226 kJ of work on the surroundings.
A gas originally at 30.0 C and 1.00 atm pressure in a 3.9L flask is cooled at constant pressure until the temperature is 11C. The new volume of the gas is _______ L.
What is the identity of the acid present in carbonated beverages that hastens the hydrolysis of aspartame
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