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An electrical component has two resistances of 10 Ω and 15 Ω connected in parallel.
(a) What is the total resistance of the component?
(b) If connected to a 120-V source, how much current would there be in each resistor?
an average concentration of dissolved gold of 5.8*10^?9 g/L. (a) How many grams of gold are in the ocean? (b) How many m^3 of gold are in the ocean?
describe why benzoic acid and 4-nitroaniline must be air dried for such a long time or placed in an oven before taking a final mass and finding the melting point
The vessel and contents are returned to 130 degree celsius and the mixture of product gases (CO2, SO2, and unreacted O2) has a total pressure of 2.4 atm. Determine the partial pressure of each of these gases in the final product mixture
If a solution is made by mixing 20.0 mL 0.4 M NaCH3COO with 30 mL 0.4 M CH3COOH, calculate the pH of the solution? For acetic acid, K = 1.76 x 10-5
A voltaic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34 V). Calculate [Au3+] if [Cu2+] = 1.20 M and Ecell = 1.13 V at 25°C.
consider a major oil spill in a lake ( a prototype situation related to Alaska Oil Spill few years ago and many subsequent spills) Amount of oil spilled is 2.9 mega gram (Mg).
How many grams of silver chloride will be produced if 216 grams of silver is allowed to react with an unlimited amount of chlorine?
multiple choice questions in organic chemistry.1.nbspnbspnbspnbspnbspnbspnbsp 1.nbspnbspnbspnbspnbspnbspwhich of the
A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C
The solubility of benzoic acid at 0 degrees celcius is 1.7 g/L and at 90 degrees celcius is 45.5g/L. how much water do you need to dissolve 0.91g of benzoic acid at 90 degrees Celcius? How much of the original benzoic acid will remian in the solut..
The solubility of lead (II) sulfate is 4.0x10^-2 g/L. What is the solubility product constant for lead (II) sulfate?
Which will have a greater absorbance as measured by a spectrometer: weak ice tea or strong ice tea? Which will have a greater transmittance
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