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It is possible to draw a valid Lewis structure that follows the octet rule for all of the following except one. Which one cannot be drawn without violating the octet rule?A) NF3B) BeH2C) SO2D) CF4E) SO32?
What is the total sample size (in grams) for a sample of magensium nitrite which contains 0.96 g of oxygen
The carbon atom model has an additional rotational axis of symmetry that is NOT threefold. Use an arrow to show the location of one of these in a figure of the carbon atom model.
Calculate the concentration of chloride ions in a saturated lead(II) chloride (Ksp = 2.4 ? 10-4) solution.
Calculate the mass percent (m/m) for the solute in each of the following solutions: Express the answer using 2 sig figures.
An elemental analysis of X shows that the mass percentage composition of the compound is 26.86% C and 2.239% H, with the remainder being oxygen. A mass spectrum of X yields a molar mass of 90.0 g/mol. Write the empirical formula of X.
What is the difference between electron geometry and molecular geometry? How can knowing both assist in determining whether a molecule is polar or nonpolar?
MgNH4PO4 6H2O loses H20 stepwise as it is heated. Between 40c and 60c the monohydrate is formed and above 100c the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and of the anhydrous material?
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
If two ideal gases are both placed in identical containers with at the same constant Volume and Temp and same number of moles of gas
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of PbO2(s) will be: BrO3-(aq) + Pb(OH)42-(aq) --> Br-(aq) + PbO2(s)
Using a band diagram, explain how magnesium can exhibit metallic behavior when its 3s band is completely full.
NaOH (aq) are required to neutralize 25.0 mL of HCl (aq). Calculate the concentration of the hydrochloric acid solution.
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