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Why is the partial charge on a hydrogen atom bonded to a highly electronegative element more concentrated than for any other element?
write the chemical equation for the reaction that occurs when you add NaOH solution to a CH3CO2H/NaCH3CO2 buffer solution
The melting point of a newly discovered element is 1935.4°F. Express this temperature in degrees Celsius.
Calculate the number of moles of H+ and OH- initially present the number of moles of h2O produced in the response regulation reaction.
Consider a 2710-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car? in mph
What is the maximum wavelength for the second laser that will cause two-photon ionization. The ionization energy of potassium is 6.96E-19J
Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Suppose 246 g of Na metal is formed.
How much heat (in ) is evolved in converting 1.00 of steam at 145.0 to ice at -50.0? The heat capacity of steam is 2.01 and of ice is 2.09.
Calculate the wavelength at which they are broadcasting.
you take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution.
What type of mineral source (sulfide, oxide, halide, phosphate, silicate, carbonate, etc) are the following elements typically isolated from? Write the chemical formula for the source mineral (for example: silver, typical mineral source = silver s..
To make 1.50 L of 0.100 M NaCl from a 3.13 M stock solution,you would need to take ( blank) mL of the stock solution and add (blank) mL of water
Find the hydronium ion concentration,the hydroxide ion concentration and the pH of a 0.001 M solution of HCI,if alpha=1 2) Which of salts hydrolize in aqueous solution : CaCO3,Pb(NO3=2,Al2S3?
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