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Determine the time (in hours) required to recharge a Ni-Cd battery by converting 2.43 g Cd(OH)2 back to Cd using a charger that supplies 125 mA of current.
discuss two ways that ammonium compounds decompose when they are heated. what chemical reaction is involved in the
What is the molar mass of mixture A and mixture B? Show detailed work for first and best rating.
Calculate the bicarbonate and carbonate alkalinities, in mg/L as CaCO3 , of a water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
When a 0.6333-g sample of a compound of carbon, hydrogen and sulfur was burned in excess oxygen, 0.9272 g CO2, 0.3795 g H2O and 0.6749 g SO2 were obtained. In a separate experiment, it was found that, for fixed temperature and pressure
Consider the following equilibrium: Cu2+ + 4NH3 Cu(NH3)42+ (Kf = 4.8e+12) A solution is made by mixing 10.0 mL of 0.90 M CuSO4 and 1.50 L of 0.490 M NH3
State what are the most common agents in polymer degradation
given the following equation6h2onbsp nbsp 6co2nbsp --gtnbsp c6h12o6nbsp nbsp 6o2nbspnbspnbspnbsp?h2803kjmolfind the
Calculate ?H for the reaction 2C(s) + H2(g) ? C2H2(g) given the following reactions and their respective enthalpy changes
A mixture of ammonia and oxygen is prepared by combining 0.290 L of NH3 (measured at 0.730 atm and 26°C) with 0.190 L of O2 (measured at 0.750 atm and 54°C). How many milliliters of N2 (measured at 0.740 atm and 100. °C) could be formed if the fol..
A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 210.0 MPa.
how I resolve it, A 1.25 gram sample of methane is container in a 850.0 mL flask at295.65 K.What is the pressure of this gas?
what is the freezing point of a benzene solution containing 400 g of benzene and 200 g acetone c3h6o? kf for benzene is
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