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Explain how many cations and anions are in calcium chloride, barium hydroxide, sodium hydroxide, potassium hydrogen phthalate and potassium hydroxide
Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085), had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample
when 2-butanol undergoes E1 dehydration,three alkenes are obtained. Draw the sturctures for these alkenes.Which alkene would you predict to be formed in greatest abundance.
Describe the type of bonding that your unknown has (covalent, polar covalent). Locate and show any dipoles in your compound
Why is it that when you look into any type of light for a long period of time that blotches of black appear when you look away
What is the half-life of a compound if 80. percent of a given sample of the compound decomposes in 72 min? Assume first-order kinetics.
what is this equation and why is it central to the global warming theory: SO2(g) + H2O(l) H2SO3
How would I find the percent yield and theoretical yield if I have 0.76 g of 3-nitrobenzaldehyde to start out with, 0.60mL of acetophenone required for the reaction between p-anisaldehyde and acetophenone
consider the following tetra-substituted cyclohexane. Draw both chair conformations of this compound. Determine which conformation is more stable
Utilize 4-Methylcyclohexanol plus an acid (H3PO4) also heat to synthesize 4-Methylcyclohexene + H2O. Get a good percent yield. Does this reaction take place via and E1 or an E2 pathway
Compute the ratio of the masses of the buffer components (NH3/NH4Cl) necessary to make the buffer with a pH of 9
A 0.5 M solution of hydrogen sulfide (H2S) contains 0.15 M nickel chloride NiCl2, and 0.35 M mercury nitrate Hg(NO3)2. The pH of this solution is made very acidic through the use of HCl so that all ions are in solution
Pure colored substances mostly exhibit a single peak (i.e. max) in the visible; therefore the simple rules of complementary colors apply. Mixtures are a little more complicated.
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