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(a) What is the general relationship between the size of an atom and its first ionization energy?
(b) Which element in the periodic table has the largest ionization energy? Which has the smallest?
water in an open beaker evaporates over time. as the water is evaporatingis the vapor pressure increasing decreasing or
Which of the following compounds are insoluble in water?
1.nbspnbspprovide proper iupac names.2.nbspnbspdraw structure of strongest acid in the table provided.3.nbspnbspgive
zinc sulfide is treated with sulfuric acid leaving a solution withsome undissolved bits of material and releasing
Water is added to 25.0 mL of a 0.776 M KNO3 solution until the volume of the solution is exactly 500 mL. What is the concentration of the final solution.
A compound of a transition metal and iodine is 65.1% metal by mass. How many grams of iodine is present in 859 g of this compound?
50.00ml of BiO3- is titrated with 26.43ml 0.02982M Fe2+. What is the molar concentration of BiO3-? How many mg of NaBiO3 were in the 50.00ml sample? [BiO3-] = _______________ M mNaBiO3 = _______________ mg
How many grams of calcium chloride should be formed from the reactions of hydrochloric acid and calcium hydroxide? If the reaction in 2.4 only produces 3.0 g calcium chloride, calculate the percentage yield of calcium chloride.
A student heated 1.0L of ethanol (density 0.789 g/L) with 1.0 mL ethanoic acid (density 1.049 g/mL) with a sulfiric acid catalyst and noticed a vinegar-like smell to the product as well as a fruity medicinal smell.
Calculate the final hydrogen ion concentration of a solution after 25.0 mL of 0.500 M HCl is treated with 40.0 mL of 0.0500 M Ba(OH)2(aq) and diluted to 100.0 mL.
The protein insulin consists of two polypeptides termed the A and B chains. Insulins from different organisms have been isolated and sequenced. Human and duck insulins have the same amino acid sequence with the exceptions of six amino acid residue..
At what pH must solutions of nickel (II) ions be maintained in order to prevent precipitation of the hydroxide
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