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For which blocks of elements are outer electrons the same asvalence electrons? For which are d electrons oftenincluded among valence electrons?
Which salt would make an acidic solution when dissolved in water a. rubidium diiodide b. aluminum tribromide c. potassion fluoride d. calcium sulfate Which would produce a basic solution in water
predict the products of the reaction of acetophenone with 1) NaBH4 then H3O+ 2)aqueous acidic CrO3 3)NH2OH 4)CH3MgBr, then H3O+ 5) CH3OH, H+ catalyst
solving this question helps the student to understand how to find the limiting reactant alternate method and how to
The rod initially has a mass of 1460g, and the mole fraction of H2 in the exit gas is 0.223. The mole fraction of H2 in the feed to the reactor is 0.580, and the feed enters at the rate of 6.22kg-mol/hr. What will be the mass of the rod at the end..
The specific heat of liquid ethanol is 2.3 J/g-K. How much heat is required to convert 28.0 g of ethanol at 28 C to the vapor phase at 78 C
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
Use acid-base concepts to comment on the fact that the only important ore of mercury. Is cinnabar, HgS, whereas zinc occurs in nature as sulfides, silicates, carbonates, and Oxides
Explain how these products are produced by showing the mecahnism involved. (draw).
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq)+2e??Zn(s) For a large batch of nails
The mass of a cube of iron is 392 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
So what have we discovered? What is the elemental identity? Show work in detail please. Displacement - 0.00202 L
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