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A solid block having a volume of exactly 100.0 cm3 has a mass of 153.6 g. Calculate the block's density. Will the block sink or float in water?
What is the final temperature of the water and pieces of metal?
When potassium hydroxide runs out and we have to use potassium carbonate instead. Will potassium carbonate be a good titrant to use for selective precipitation?
a buffer solution is prepared by adding 15.0 g nac2h3o2 and 12.5 g acetic acid c2h4o2 to enough water to make 500.0 ml
which one of the following cell combinations would best be used to set up a cell with a potential of 0.50v by
Use resonance forms to show the delocalization (over four carbon atoms) of the negative charge of the benzyl and anion
Question- Look up the structure of the following dyes and proposes a synthesis using a diazonium coupling procedure
Lewis Bases given their lone pairs on the central atoms, however, none of them actually are. Why are OF2 and SF4 are strong Lewis Acids and not Lewis Bases
What volume in mL of 2.00 M sodium bicarbonate solution is needed to neutralize 25.0 mL of 4.00 M HCl?
consider the following unbalanced reaction.p4s f2g pf3gwhat mass of f2 is needed to produce 175 g of pf3 if the
The elemental selenium dispersed in a dandruff control shampoo was determined by suspending a 10.0 mL sample in a warm ammonical solution that contained an excess of silver nitrate to give the following
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
gasohol is a fuel containing ethanol c2h5oh that burns in oxygen o2 to give co2 and water. how many moles of o2 are
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