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Use the concept of hydrogen bonding to explain which would hurt more: a belly flop dive into a pool of water or oil. (hint: most molecules in oil are non-polar)
Calculate the volumes of weak acid and its conjugate base needed to make the pH buffer solution below. 500mL of pH buffer solution, pH=7.50, 0.50 Sodium bicarbonate.
Analysis of a 1.000 g of the oral hypoglycemic agent metformin yielded 0.3720 g of carbon, 0.0858 g of hydrogen, and 0.5422 g of nitrogen.
Show with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
A substance is found to consist of 1.900g of silver, 0.250g of nitrogen, and 0.850g of oxygen. What is the percent by mass of oxygen in the compound
Explain what percentage of the total phosphorus in a phosphoric acid solution adjusted to a pH of 12.00 would be in the form of PO43-
Can a perpetual motion machine ever be built. Consider the Laws of thermodynamics when responding
Why does a vinyl or tile floor feel colder to the bare feet than does a rug, even though both are in contact and at the same temperature? What determines the phase of a substance?
The molal freezing point constant for water is 1.86 C/m. At what temperature will a mixture of 2.00 g of CaCl2(MM: 110.98g/mol) and 25.00 g of water freeze
how many moles of H2 gas should be taken up by 1-octene in course of this reaction. What volume does this correspond to at STP.
How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.72 mol of oxygen gas in the vessel
question if the oxidizing agent gains 3 moles of electrons and the reducing agent loses 2 moles of electrons calculate
Draw the product of the reaction of propanal with methanol containing dissolved hydrogen chloride. Draw the product of the reaction of propanal with sodium cyanide with addition of sulfuric acid
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