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According to the activity series, which of these metals will react with most acids to produce H2 gas?
Hg
Al
Na
Calculate the molarity of a solution of glycerol made by dissolving 59.000 mL glycerol at 15 degrees celcius in enough water to make 380.00 mL of solution
Draw a planar structure for the following compound using dashed or solid wedges to show the stereochemistry of the substituent groups. To be graded properly
what is the molar concentration of the salt solution formed in this reaction? What is the molar concentration of the excess reactant once this reaction has finished?
Determine the amount of energy needed to turn 10g of H2O from 11degrees Celsius to 101degree Celsius? Draw a graph and colve the problem.
what is the difference between the solvents used to run TLC's of polar and non-polar lipids?
Based on your knowledge of the mechanism involved in the nitration of methyl benzoate, what role(s) would you expect sulfuric acid to play in the nitration of benzaldehyde?
liquid NCl3 in a 2.50L closed container is heated until it decomposes completely to gaseous products. the resulting mixture exerts a pressure of 745mm Hg at 95 degrees celsius
Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is radioactive, with a half-life of 28.1 yr.
A 125.0g sample of copper is initially at 25.0oC. It absorbs 12.50 kJ heat from its surroundings. What is the final temperature to the nearest tenth degree? Specific heat copper = 0.3874 J/goC.
If 95.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.
If 5.50 of the unknown compound contained 0.183 moles of carbon and 0.367 mol of H of , how many moles of oxygen, , were in the sample?
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
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