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Express the meaning of electro-chemistry. Also explain the basics of the characteristics of voltaic and galvanic cells.
A 3.00 L helium balloon, initially at STP, floats up to an altitude of 10 km, where the pressure is 200.0 torr and the temperature is -45°C. What is the balloon's new volume?
What is the mass (in grams) of the precipitate when 7.32 g of iron(II) nitrate reacts in solution with excess sodium carbonate
What can be said about the vibrational energy levels of the cabonyl group in a) ground electronic stateb) its excited electronic states
If you have 410.0 mL of water at 25.00 °C and add 140.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
Explain why the carbonyl group (c=o) group of methyl benzoate is a m-directing group. Would you expect methyl benzoate to undergo EAS reactions such as nitration faster of slower than benzene. Why
a gas is compressed at a constant pressure of0.320atm from a volume of 8.00l to 4.00 l. in the process 400 j of heat
How many grams of ethylene glycol, C2H4(OH)2, must be added to 800 g of water to yield a solution that will freeze at -8.4 oC
1. how many grams of solute are needed to prepare a910.0 ml of a 6.75 x 10-3nbspm potassium carbonate solution?2. 320 g
Buffer solution will be prepared using (CH3)2NH2+ and (CH3)2NH conjugate acid/base pairs. To prepare the buffer, 50.0 mL of 0.084 M (CH3)2NH2+ (Ka = 1.68x10^-11) was mixed with 72.6 mL of 0.064 M KOH. Calculate the resulting pH of the solution.
what is the band gap energy in kilojoules per mole if bule diamonds absorb orange light with a wavelength of 675nm
Give the balanced equation for the reaction- exothermic formation of 1 mol of sodium chloride from its elements
The BF3 molecule has one A'1, one A"2 and tow E' vibrations. Does this representation account for all of the normal mode fundamental vibrations for this molecule
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