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How many grams of nickel would be electroplated by passing a constant current of 7.20 amperes through a solution of NiSO4 for 90.0 minutes? (Ni 58.69 g/mol)
a quantity of liquid methanol ch3oh is introduced into a rigid 3.00 l vessel the vessel is sealed and the temperature
Draw stereochemical projections for the products of bromine addition to maleic acid and fumaric acid (cis and trans HOOCCH=CHCOOH, respectively) assuming that bromine adds to these compounds the same way it does to cinnamic acid.
What is the change in internal energy (in J) of a system that absorbs 0.582 kJ of heat from its surroundings and has 0.267 kcal of work done on it
Question- Photochemical reactions often produce different products than thermal reactions with the same reactants. Why
What data would you plot in order to use the Nernst equation to determine the concentration of an unknown solution of ions?
Question- When a solution of PtCl2 is allowed to react with the ligand trimethylphosphine, P(CH3)3, two compounds are produced. Both compounds give the same elemental analysis: 46.7% Pt; 17.0% Cl; 14.8% P; 17.2% C; 4.34% H.
consider another expandable balloon is filled with nitrogen gas. the density of the gas is 1.24 gl and the outside
The concentration of Mg2+ in a sample of water is 262 mmol/L At what pH will 99% of the Mg2+ be precipitated as Mg(OH)2? Ksp = 8.9 x 10-12
What is the OH- in a solution that has a pH of 4.92? Give your answer to 3 significant figures using E-notation (i.e., 1 number before and 2 after the decimal point)
A particular natural gas exists, in mole percents, of 83.0% CH4, 11.2% C2H6, and 5.8% C3H8. A 380 L sample of this gas measured at 22.2 degrees Celsius and 745 mm Hg, is burned at constant pressure in an excess of oxygen gas.
converted completely to FeNCS 2+ when the calibration curve was prepared, would this raise or lower the value of Keq? explain?
Calculate the amount of energy in kilojoules needed to change 135 of water ice at -10 degrees Celsius to steam at 125 degrees Celsius.
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