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A professional scientist measures out eaxctly 100.00cm3 of a liquid, and finds that its mass is exactly 80.000g. What is the density (in g/cm3) of the liquid?
How much energy (in kilojoules) is required to convert 110 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
what is the molarity of a solution when 2.25g NaF is dissolved in enough water to make 250mL of solution
The specific heat of lead is 0.0380cal/g degree celcius. If 47.0 calories of energy raised the temperature of a lead sample from 28.3 degrees celcius to 30.1 degrees celcius.
What is the limiting reactant in this experiment. The density of methyl salicylate is 1.18g/mL at 20degree C
A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patient need to take each time she wants the 625 mg dosage? Assume that these pills are scored and can be cut in half if ne..
two full bottles contain respectively 1.0 kg of potassium nitrate kno3 and 1.0 kg of strontium chloride srcl2. which
Number of exhaled molecules, Total mass of the atmosphere is equivalent to that in a layer 7 kilometer deep with density equal to the density at the surface
Determine the concentration of CO32- ions in a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11."
Explain why you chose the order in which these elute, and explain how it is possible to completely separate these cations with the addition of simple HCL
explain how the ligands of F-, NH3 and CN- bonded to CO3+ can result in a green, yellow-orange, and pale yellow color for these compounds, respectively
Calculate the volume the gas will occupy if the temperature is increased to 175 degree Celcious while the pressure is held constant.
a testing facility found that 8.351023 molecules of carbon dioxide were produced when a sample of octane was burned in
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