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If 1 amu = 1.661 x 10-24 g, what is the weighted average atomic mass of a boron atom in grams?
What will happen to the H2O when equilibrium is reestablished after the following stresses are applied. a. temperature is applied
Classify each of the following reactions as combination, decomposition, single replacement, or double replacement: a) CuO(s)+2HCl(aq)-->CuCl2(aq)+H2O(l); b) 2Al(s)+3Br2(g)-->2AlBr3(s); c)Pb(NO3)2(aq)+2NaCl(aq)-->PbCl2(s)+2NaNO3(aq); d)2Mg(s)+O2(g..
what is the molarity of a solution prepared by combining 125mL of 0.251 molar HCl with 250mL of pure water
questions on h-nmr spectrum of isopentyl acetate.1.on the attached h-nmr spectrum of isopentyl acetate draw the
If a buffer solution is 0.230 M in a weak acid (Ka = 3.8 × 10-5) and 0.410 M in its conjugate base, what is the pH
the net atp yield for the complete oxidation of a single glucose molecule is 30 atp. phosphorolysis saves energy and
What is the theoretical yield of vanadium that can be produced by the reaction of 40.0g of V2O5 with 40.0 g of calcium based on the following chemical reaction.
What is the most important effect of antisymmetrization in electon-electron interaction? Where did antisymmetrization come from? Explain from different statistics of distinguishable particle, indistinguishable particle
Determine the specific heat of a metal object of 19 grams that is heated to 96 degrees Celsius and added to a calorimeter containing 75 grams of H 2 O at 18 degrees Celsius.
The density of ethanol is 0.789 g/cm3. What is the density of the object?
Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
If 0.100 mole "recovered amine" had an [a]D=+20.35 degrees, how many moles of (-)- amine and how many moles of (+)-amine would there be in the sample
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