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A. which element/ion is the most difficult to oxidize? 1. Ca 2. Li^+ 3. Li 4. Na^+ 5. Na B. which element/ion is the most resistant to reduction? 1. H2 2. CU^+2 3. Sn^+2 4. Pb 5. none of the above
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium? Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC.
What mass of water would be needed to evaporate from your skin in order to dissipate 1.7 X 105 J of heat from your body?
celcius of a solution prepared by dissolving 0.0550 mole of a sodium acetate in 1.00 L of 0.250 M acetic acid.
What is the pH of a dilute solution of weak acid (pKa 5.6) with a concentration of 0.09M conjugate acid and 0.30 M conjugate base. What would the concentration of conjugate acid and conjugate base be if you added 0.10 moles of HCL to 1 liter of th..
when carbon is burned in the presence of oxygen, the carbon and oxygen combine to produce carbon dioxide. if you start with 3 grams of carbon and 8 grams of oxygen and they react completely, how many grams of carbon dioxide will be produced?
If 8.0 moles of the gas A is placed in a 60.0 L tank with 1.0 moles of B at 0 degrees celsius and 1 atm, they react according to the equation. 2A(g) + B(g) ---> 3C(g) + D(g) How many moles are present in the tank when the reaction is complete
Aldo Reaction Major and Minor Products from Benzaldehyde and Cyclohexanone. Why is the one you chose the major product
the work function for chromium metal is 4.37 eV. What is the wavelength of radiation that must be supplied to metallic chromium to release an electron with a kinetic energy of 4.25x10^-18?
For the following reaction, 5.07 grams of carbon disulfide are mixed with excess chlorine gas. The reaction yields 9.09 grams of carbon tetrachloride.
For each of the elements below, there are only two naturally occurring isotopes. Using information in the periodic table, identify the pair in which the lighter isotope is the more abundant one.
6NO2+2H2O=4(HNO3)+2NO. For this equation, how many grams of nitrogen dioxide are needed to react with 3.70mol of H2O? How many grams of nitrogen monoxide are produced when 2.18mol of H2O react?
The volume of 350. mL of gas at 25°C is decreased to 135 mL at constant pressure. What is the final temperature of the gas?
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