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The alkaline earth metal beryllium, Be, is very small and forms covalent compounds instead of ionic compounds. Knowing this what type of solids would BeFCl and BeCl2 form and which would have the higher melting point?
The pH of the solution at equivalence was 8.4. At 9.3 mL the pH was 5.3. What is the Ka for this acid? Please show all the work
1. what is the eletron configuration of hg ion?2. why does it actually exist as hg22 ion rather than as hgion?3.when
A gas sample has an original volume of 680 ml when collected at 720 mm and 28°C. What will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55°C
What is the value of the rate constant (k) for this reaction at this temperature? b) Write the rate law for the reaction c) If the initial concentration of AB is .250M
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
What exactly is an alkane and alkene? What is an ester?? does it relate to anything above?
Calculate the molarity of a solution of acetic acid made by dissolving 19.00 mL of glacial acetic acid at 25 C in enough water to make 210.0 mL of solution.
what is the theoretical yield of hydrogen gas when 12.5g of sodium metal reacts with an excess of water while also
Calculate the final temperature of 39 of ethanol initially at 14 upon absorption of 698 of heat. (density of ethanol =0.789 )
a) how many moles of sulfur are in 23.2 g of (C3H5)2S, b) how many atoms of hydrogen are in 0.75 mol of (C3H5)2S, c) how many grams of carbon are in 4.20 x 10^23 molecules of (C3H5)2S, d) how many atoms of carbon are in 15.0 g of (C3H5)2S
analysis of corrosion mechanisms and preventative measuresdissimilar and selective metal corrosion have presented a
Which of the following factors increase the likelihood that a reaction will be spontaneous? 1. Energy is released in the form of heat. 2. A liquid is generated from a solid
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