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Write and balance an equation illustrating the chemical reaction that results when magnesium is placed into concentrated hydrochloric acid.
A student wanted to dry some diacetone alcohol A and allowed it to stand over andydrous potassium carbonate for a week. At the end of the week the sample was found to contain pure acetone. Propose a mechanism for the reaction that took place.
write the net ionic equation for the following oxidation-reduction reactions. substances labeled aq are soluble and
Determine the osmotic pressure of a solution that is 0.200 M in glucose and 0.100 M in sodium chloride at 37.0 degrees celsius. Assume no ion pairing.
An impure sample of sodium chloride weighed 0.6825g. When dissolved in water and reacted with excess silver nitrate, AgNO3, 0.9855g of AgCl precipitated. What is the percentage of NaCl in the impure sample.
A solution is made by mixing 49.0 mL of ethanol, C2H6O, and 51.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 degrees celcius
A flask containing 36.8 mL of 0.138 M sodium acetate (NaC2H3O2) is titrated with 24.9 mL of 0.128 M HNO3. Calculate the pH of the solution. pKa for acetic acid = 4.757.
draw out the complete coordination environment of each zinc ion in liver alcohol dehydrogenase ladh including all
What is the purpose of tracking dye in SDS-PAGE. What are the constituents of sample buffer. Describe functions of each constituent.
how to you determine the equilibrium constant for hydration. Rank the carbonyl compounds, but i'm not even sure how to figure it out in the first place
If the gas is at 23C and 1.0 atm, what mass of helium is in the blimp? The Goodyear blimps, which frequently fly over sporting events, hold approximately 1.85×105 ft^3 of helium.
Based on the following definitions of stereospecifc and stereoselective, propose a reaction that is stereospecific but NOT stereoselective
A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.
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