Determine rate of current if boat takes one hour longer
The speedboat takes one hour longer to go 24miles up the river than to return. If boat cruises at 10miles per hour in still water, determine rate of current?
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The ions Ba+2 and Ca2+ can be separated by the difference in solubility of the their fluorides In principle, CaF2 and BaF2. If you have a solution that is 0.10M in both Ba2+ and Ca2+, CaF2 will begin to precipitate first as fluori
If the pilot maintains the constant reading of 200 miles per hour on airspeed indicator as aircraft climbs from sea level to an altitude of 10,000 feet, write the linear equation which expresses true airspeed T.
A soluble fluoride-containing salt such as NaF is added to "fluoridate" the water when a sample of hard water contains about 2.0x10-3MCa2+, describe the maximum concentration of F- that can be present without the precipitation of CaF2?
An 0.3 M solution of calcium nitrate is mixed with a 0.15 M solution of potassium phosphate in a 2.0 L container. Determine the concentration of all aqueous species at equilibrium if 37.24grams of calcium phosphate are formed?
What can you say about the effects of lone pairs on rotation barriers when the barrier for rotation about the C-O bond in methanol is only 1 kcal/mol. recalling the rotation barriers for ethane?
A certain anesthetic contains 13.5 % hydrogen, 64.9 % carbon, and 21.6 % oxygen by mass. At the temperature of 120C and 750mmHg, 1.00L of the gaseous compound weighs 2.30g. Determine the molecular formula of the compound?
At 140 C a student wished to prepare ethylene gas by the dehydration of ethanol, using sulfuric acid as the dehydrating agent. Allow-boiling liquid was obtained instead of ethylene.
Explain what new substance has been produced when the 2-methylpropene is bubbled into the dilute sulfuric acid at room temperature, it appears to dissolve.
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