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How many grams of sodium chlooride can be produced from 2.35 grams of sodium carbonate and exces hydrochloric acid?
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
The electrode acts as the anode, and the electrode acts as the cathode. To maintain electric neutrality, you add a salt bridge separating the two half-cells. What is the net cell reaction for the chromium-silver voltaic cell?
Decide how many of the molecules below can also be both cis and trans ring fused by building models
zinc reacts with aqueous sulfuric acid to form hydrogen gas zns h2so4aq --gt znso4aq h2gin an experiment 201 ml of
As a technician in a large pharmaceutical research firm, you need to produce 200 mL of 1.00 M a phosphate buffer solution of pH = 7.06. The pKa of H_2PO_4}^- is 7.21. You have 2.00 L of 1.00 M KH_2PO_4 solution and 1.50 L of 1.00 M K_2HPO_4 soluti..
Consider the molecules ClF3O and BrF3O. (a) Would expect the lone pair on the central halogen to be axial or equatorial in these molecules? Explain
A room of volume of 2 cubic meters is initially at 19 C and 101 kPa. A block of dry ice (solid carbon dioxide) is dropped into the room and then the room is sealed (air tight)
14.0 moles of gas are in a 6.00 tank at 22.6. calculate the difference in pressure between methane and an ideal gas
What is the molarity of aqueous silver nitrate if 50.00 mL of AgNO3 reacts with 25.0 mL of 0.100
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains .0011% Pb by mass. What volume of water in mL contains 115 mg of Pb
if you had 21 moles of oxygen and 8 moles of ethane, what is the most moles of carbon dioxide possible?
A 40.0 g sample of solid ammonium carbonate is placed in a closed evacuated 3.00 L flask and heated to 400 degrees C. It decomposes to produce ammonia, water and carbon dioxide. The equilibrium constant, Kp, for the reaction is 0.295 at 400 degree..
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