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State Lewis (dot) formulas for the following and indicate their shape whether it is linear, trigonal, pyramidal, bent, or tetrahedral and to tell whether it is polar.
BrF, SF2, H2O, CHRB3, H2S, CF2I2, CS2, CF4, NF3, PCI3
consider the following observation a rubber band isstretched under tension at least 0.5 cm wide and then touched tothe
You place a 35.0 g water at 12.5 degrees C above a lighter and ignited the lighter. If the lighter initially weighed 10.25 g and weighed 8.806 g what would be the final phase and temperature of the H2O.
Assuming the octet rule is obeyed, how many covalent bonds will a nitrogen atom form to give a formal charge of zero
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0824 M), V2(SO4)3 (0.395 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
calculate the percentage error likely to arise in an experiment if 1-ml 5-ml and 10-ml are used to transfer and each
briefly differentiate between solvent extraction and chromatography. what roles do these two techniques play in
Rate of Initiated Radical Polymerization, What are the basic steps of initiated radical polymerization? Derive the rate expression of initiated radical polymerization
An analyst was attempting to determine the percent KHP in an unknown sample. The analyst found the molarity of the standardized NaOH solution to be 0.1022 mol/L.
The mass of the water in the inner bath is 1.60×10^3 g . The temperature of the calorimeter and its contents rises 2.84K as a result of this reaction. 1)Calculate the calorimeter constant.
an excited hydrogen atom emits light with a frequency of 1.141 x 10E14 hz to reach the energy level for which n-4. in what principal quantum level did the electron begin?
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? the paramagnetism observed for O2 the N-N bond order in N2 the rotational barrier about the C-C bond in ethylene the existenc..
A volume of 10.0 mL of a .00300 M solution of Cl- ions are reacted with .500 M solution of AgNO3-. What is the maximum mass of AgCl that precipitates in grams.
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