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Copper is electroplated from CuSO4 solution. A constant current of 4.00 amp is applied by an external power supply. How long will it take to deposit 1.00 x 10^2 g of Cu? The atomic mass of copper is 63.546.
What is the molar concentration of a H3PO3 solution if 150.00 mL of the solution was required to neutralize 75.00 mL of NaOH whose concentration was 1.50 molar?
Calculate and record the following for the experiment performed with 20g KClO. mass of the crucible with manganese(IV) dioxide (in grams): 54.200g
the equilibrium constant, Kc for the reaction: Ni(s) + 4CO(g)>-- Ni(s) + 4CO(g)
In which region of the carbon-13 NMR spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone. The given chemical shift ranges are approximate. A. 50-80 ppm B. 180-210 ppm C. 100-150 ppm D. 65-85 ppm E. 9-10 ppm ..
determine How many grams of Phosphine (PH3) can produce if 37.5 grams of P4(phosphorus) and 83.0 Litres of H 2 gas react at STP?
If 30.00 mL of 0.500 M HCl is used to neutralize 10.00 mL of KOH, what is the concentration of the base?
High temperature and low pressure low temperature and high pressure none of the above unless a catalyst is present If it's endothermic, it's high temp and low pressure, but does having an exothermic reaction change that?
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density of uranium hexafluoride at 62°C at 755 torr.
Water dissolves table salt (NaCl) because: A. NaCl is hydrophobic. B. NaCl has a polar covalent bond. C. water molecules surround the Na and Cl ions due to electric attraction.
consider the reactionc2h5oh l 3o2 g --gt 2 co2 g 3 h2o l ?h -1.37 x 103 kjwhen a 24.8-g sample of ethyl alcohol
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another; the system needs to know where you intend connections to be between atoms. I came up with 4 different struct..
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