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Identities of the components in a mixture may be determined by a technique called spiking. Suppose you had run a gas chromatogram onyour product and had then deliberately added a drop of a knownsample of 3-methylcyclohexene to a drop of your product. What would you expect the new chromatogram to show you?
0.50g of Cu 2+ is dissolved in 4.0ml of 16 M HNO3. how much 3.0 M NaOH must be added to precipitate the Cu 2+ as Cu(OH)2
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.156 M in sodium chloride and 0.094 M in magnesium sulfate?
The deposit contained 72.8% Cu, 4.30% Ni, and 22.9% ZN. no other element or compound was released. Calculate the number of coulombs passed through the solution.
What is the chemical equation of an oxalate ion reacting with a permanganate ion and what is the mole ratio
When 27 mL of a 405 mL stock solution containing 2.3 M AlCl3 is diluted to 81 mL, what is the concentration of Al3+ in the new solution?
Whcih of the following compounds have a meso form. 1,3-dichloropentane 2,3-dichloropentane 2,4-dichloropentane 1,5-dichloropentane
What will be the final temperature of a 3.5 kg block of aluminium (initial temperature = 22oC) after the addition of 2.9 kJ of energy. Specific heat of aluminium
Calculate the surface tension from 0.028M soap solution at 293K. If the surface tension of 0.056M soap solution is 0.0433Joule per kelvin square. Surface tension of pure water is 0.0728 joule per meter square.
If a total of 13.5 mol of NaHCO and 4.5 mol of C H O react, how many moles of CO and Na C H O will be produced? 3NaHCO (aq) + C H O (aq) 3CO (g) + 3H O(s) +Na C H O (aq).
For the reaction CO2(g)+H2(g)=CO(g)+H2O(g) at 1000 K, an equilibrium mixture of the gasses consists of 0.276 mol H2, 0.276 mol CO2, 0.224 mol CO and 0.224 mol H2O. What is the value of delta G for the reaction at this temperature
Ethylene glycol, CH2(OH)CH2(OH), an important ingredient in automobile antifreeze, is much more soluble in water than octyl alcohol, CH3(CH2)6CH2OH, because
what can we conclude about the energy required to excite an electron from n=5 to n=6 versus the energy required to excite an electron from n=4 to 5.
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