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When you turn on more lights and appliances in your home, the current in the circuits is greater. Why is this, given that you are adding more resistance with each component?
Sdduming ideal-solution behavior, what is the vapor pressure of the solution at 63.5 C What is the mole fraction of ethanol in the vapor above the solution
In order to induce the error in the precision and accuracy section ,a) would the balance be registering masses too low or too high?
A solution is prepared by dissolving 18.536g of calcium nitrite in 183.544g of distilled water. Calculate the boiling and freezing points of this solution.
use the van der waals equation of state to plot the compressibility factor z against p for methane at 180k and 250k.
Most of the alkali halides exhibit the "rock salt" structure shared by NaCl. Using the ionic radii Li 76pm, F 133pm, K 138pm, Br 196pm, show that LiF and KBr are consistent with the rule of thumb that the NaCl structure occurs for radius ratios be..
Three manufacturers are producing carbonated bottled water. One company introduces carbonate by bubbling carbon dioxide into water until CT=10-3 M (equivalent to adding "H2CO3*" until CT = 1 x 10-3 M), a second adds sodium bicarbonate (NaHCO3) unt..
Check all that apply Water is important to life because: - it does not dissolve certain substances - it causes brownian motion - it is colorless and odorless
identify the spectator ion s in the following equationhclaq li2co3aq rarr lihco3aq
If a gas expands from 10.00cm3 to 15.00cm3 against an external pressure of 1.50kPa. What is W
asoluble iodide was dissolved in water .then excess of silver nitratewas added to precipitate all the iodide gave ions
Subsequent to 50.0 min, 32.0% of a compound has decomposed. Explain what is the half-life of this reaction assuming first-order kinetics
Problem- An aqueous solution containing 6.0 g of a compound X in 120 mL is extracted three times with 20 mL portions of diethyl ether each time. Calculate the total amount of compound X that will be extracted by diethyl ether. Given Kdiethyl ether..
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