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Why electroplating takes place on the cathode and electro refining takes place on the anode?
If 5.44 mol of ethane(C2H6) undergo combustion according to the unbalanced equation C2H6+O2=CO2+H2O. Explain how much oxygen is required
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq) yeilds 2AlCl3(aq)+3H2(g). what mass of Al(s) if required to produce 725.5 mL of H2(g) at STP
a polysaccharide of unknown structure was isolated subjected to exhaustive methylationmethylation denotes the addition
Define A solution containing 27.55 mg of an unknown protein per 25.0 mL of solution was found to have an osmotic pressure of 3.22 torr at 25.0oC. Define what is the molar mass of the protein
Consider the combustion of methane ( as represented by the following equation). This is the reaction that occurs for a bunsen burner, which is a source of heat for chemical reactions in the laboratory.
Ten milliliters of a 5 x 10^-3 M solution of Cl- ions are reacted with a 0.500 M solution of AgNO3. What is the maximum mass of AgCl that precipitates
Compute the value of the angular momentum in the z direction using the Lz operator in the ground as well as first two excited states. Remember to compute the value of an operator, act the operator on the wave function if the wave function is an ei..
Calculate the number of grams of sulfuric acid in 0.440 of battery acid if the solution has a density of 1.34 and is 39.1 sulfuric acid by mass.
Draw the lewis structures for these ions, and show which atom in each bears the formal charge. a.) CH3NH3+ b.)CO3,2- c.) OH-
If 25.0 mL of 0.451 M HNO3 solution is titrated with 0.451 M NaOH, Calculate the pH of the solution after each of the following amounts of base have been added. Set up the relevant neutralization reaction equations for each part.
Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
A 25.00 mL sample containing Fe3+ was treated with 10.00 mL of 0.0367M EDTA to complex all of the Fe3+ and leave excess EDTA in solution. The excess EDTA was then titrated, requiring 2.37 mL of 0.0461M Mg2+ standard solution.
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