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Describe the apparent relationship between H30+ and OH- concentrations when an endpoint is reached in an acid-base titration.
At a certain temperature, a volume of 100 mL of saturated barium carbonate solution contains 0.00216 g of BaCO3 (MW=197.3 g/mol).
When heated, lithium reacts with nitrogen to form lithium nitride. What is the percent yield of the reaction if 13.9 of Li is heated with 33.3 g of N2 and the actual yield of Li3n is 6.64 g?
compute the enthalpy change, (Delta H), for this reaction per mole of A. suppose that the specific heat =[4.18J/(g*Degrees C) and density=1.00(g/mL)?
Calculate the pH of a solution formed by mixing 65 mL of 0.31 M NaHCO3 with 75 mL of 0.10 M Na2CO3.
How many liters of carbon dioxide are produced when 5.00x10^23 molecules of oxygen react? How many grams of water are produced if 25.0 L of oxygen gas react?
If 1.00 g sodium bicarbonate and 1.00 g citric acid are allowed to react, how many grams of carbon dioxide will form?
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
how many grams of Na2CO3 (FM 105.99) should be mixed with 5.00 g of NaHCO3 (FM 84.01) to produce 100ml of buffer with pH 10.00.
Draw a structure showing four water molecules bonded to a central water molecule by means of hydrogen bonding. Explain why the pressure of the atmosphere decreases with increasing altitude
If 42.3 L of PH3 forms when 85.1L of H2 (g) reacts with 167.6 (g) of P4 at STP. What is the percent yield.
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature.
When 24 mL of a 170 mL stock solution containing 1.5 M BaF2 is diluted to 76 mL, what is the concentration of Ba2+ in the new solution
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