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A sample helium gas takes up 1021 ml at 679 mmHg. For a sample at a consistent temp find out the volume of helium at 745 mmHG?
question on your way to class you are walking north up the oval. from dale hall you walk 180 m towards nielsen hall
in order to make a solution that i s0.030 M in Cu SO4 what volume of the above solution should be diluted to 5.00 mL with water?
Give the name and formula for the acid derived from each of the following anions. (Type your answer using the format CO2 for CO2.) (a) perchlorate (b) NO3- (c) bromite (d) F -
Which reactant is in excess from the reaction of 35.0 g of hydrogen with 276 g of oxygen to form water
Biological systems usually work at 65% efficiency. How many mL of ethanol can you obtain from the fermentation of 0.65 lbs of sucrose
At 700 K, the equilibrium constant for the reaction CO(g) + H2O(g) ? CO2(g) + H2(g) is 5.10. What is G for the reaction at the specific temperature
A 2.007 g sample of a hydrocarbon is combusted to give 1.389 g of H2O and 6.785 g of CO2. What is the empirical formula of the compound
Osmium has a density of 22.6 g/cm3. What volume would be occupied by a 21.8 g sample of osmium?
If we made an aqueous solution from 7.7 g of C6H12O6 in a 250 mL volumetric flask, what would be the concentration of C6H12O6 in units of molarity
milk of magnesia is a suspension of magnesium hydroxide in water. a common medicine it is often used as an antacid
A sample of material contains contains 20 mg of I ^131. Calculate: A) The number of I ^131 atoms initially present. B) The activity in becquerels and curies.
Suggest a reasonable synthetic strategy for the synthesis of 3,5-dinitrobenzyl alcohol from benzaldehyde.
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