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Reaction between copper and silver nitrate2AgNo3 + Cu = 2Ag + Cu(No3)2Beaker-66.88gCopper- 7.44gSilver nitrate- 1.60gWater 75.0gPost Lab1 If you percent yield is not 100%, can you explain why it is high or low? Give specific reasons to explain.
2 Could you do anything in this experiment to improve your yield?3. How do you account for the change in mass of the copper wire? Where does the mass go to or come from?4 Could you make a profit from this lab? Prove your point with some numbers. Cite your sources for information you used to answer this question.
Draw products A through E for the following series of reactions. If both ortho and para product would form, continue on only with the para product, but mention that ortho would also be a product.
The excess HCL required 43.82 ml of 0.01185M Ba(OH)2 to complete the following reaction. What was the Molarity of the orginal HCL?
pure 2-methylpentane is held in a closed container at 150 deg f. both gas and liquid are presend. what is the pressure
Calculate thePH at the equivalence point in titrating 0.100 M solutions of each of the following with 9.0×10?2 M NaOH for hydrobromic acid (HBr). HCLO2 chlorous acid, C6H5COOH benzoic acid
When 3.41 g of P4 is burned, 86.1 kJ of thermal energy is evolved at constant pressure. What is the molar enthalpy of combustion of P4?
the vapor pressure of dichloromethane rm ch2cl2 at 0 rm circc is 134 rm mmhg. the normal boiling point of
how many constitutionally isomeric monochlorides can be formed on free-radical chlorination
Four wavelengths of light are each quantized to excite electrons of a given atom to a particular higher energy shell. Assign wavelengths of 496nm, 356nm, 701nm, and 591nm
Calculate Equilibrium constant, if delta Gf for NH3(aq) is -26.50 kj/mole; for H2O(l) is 237.13 kj/mole;for NH4+(aq) is -79.31 kj/mol; for OH-(aq) is 157.3 kj/mole. How many moles of NH4Cl must be added to 1.0L of 0.10M NH3 to make a buffer whose ..
An aqueous solution was found in a bottle labelled "100. ppm Ca2+ standard." Assuming that 1) all calcium ions in the solution came from calcium carbonate (CaCO3 molar mass is 100.0 g/mol)
If 10.6 kilograms of Al2O3(s) , 54.4 kilograms of NaOH and 54.4 kilograms of HF react completely, how many kilograms of cryolite will be produced. What is the total mass of the excess reactants left over after the reaction is complete
Dichloromethane has a specific gravity of 1.33: a) What is the mass (kg) of 75 liters? b) What is the volumetric flow rate (L/min) of the dichloromethane entering a storage tank if the mass flow rate is 960 kg/min.
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