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Explain what is the concentration if HCl in the final solution when 100mL of a 5 M HCl solution in diluted with water to a total volume of .25L?
the carbonyl stretching frequency of aliphaticltbgt carboxylic acids in dilute solution is located near 1770cm. this
Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?
Calculate H0rxn for the decomposition of tetrazene, N4H4 (atom sequence H2NNNNH2) to hydrazine (N2H4) gas and dinitrogen gas.
Impure benzoic acid was dissolved in hot water. the container of solution was placed in ice-water bath instead of being allowed to cool slowly.
A cylinder, with a piston pressing down with a constant pressure, is filled with 1.90 mole of a gas (), and its volume is 40.0 liter (). If 0.400mole of gas leak out, and the pressure and temperature remain the same, what is the final volume of th..
Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cell, label anode and cathode, and indicate the direction of electron flow
Write the structure of the compound that would result if the adduct were heated too long in the recrystallization solvent (CH3OH)
Nickel nitrate and potassium carbonate react to form nickel carbonate and potassium nitrate. How many milliliters of 0.55M Ni(NO3)¬2 are needed to react with 85 mL of 0.25M K2CO3?
what are the heats of formation of the following species.
A sample of an unknown biochemical compound is found to have a percent composition of 45.46% carbon, 7.63% hydrogen, 10.60% nitrogen and the balance oxygen. What is the empirical formula for this compound
If a 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. Then the resulting solution required 53.60 mL of 0.08765 M AgNO3(aq) to precipitate the Cl-(aq) and Br-(aq) as AgCl(s) and AgBr(s). Compute the mass percentages of NaC..
a student heats 5.128 g sodium bicarbonate to completely decompose the sample to sodium carbonate. 3.2349 g of sodium
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