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Individual bonds in a molecule are often polar, molecules as a whole also often are polar because of the ne tsum of individual bond polarities. Which of the following molecules is/are polar? SF4, CCl4, C2H2.
Calculate the partial pressure of each gas -black, gray and white- if the total pressure inside the following container is 720 mmHg
if 5.50 mol calcium carbide reacts with an excess water, how many moles of acetylene will be produced?
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution contatining 0.070 lysine HL 0.055 mol aspartic acid H2A and 0.0080 mol NaOH. Consider just acid base chemistry. Ignore ion pairing ..
Carbon and silicon belong to the same group and are known to have similar properties
If atom X forms a diatomic molecule with itself, the bond is A) ionic B) polar covalent C) nonpolar covalent D) polar coordinate covalent
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below. Pb (s) + Sn2+ (aq) ? Pb2+ (aq) + Sn (s) ?Gº
how many grams of water are formed when 5.00 g of butanol combust with excess oxygen according to the reaction shown
How do I find the delta H for the neutralization reaction given: HCl+NaOH-->H2O+NaCl using 0.05L of .5M HCl 0.055L of .5M NaOH Delta T=3.4Kelvin moles of H2O formed=.025moles of H2O
An unknown metal m reacts with sulfur to form a compound with te formula M2S3. If 3.12g of m reacts with 2.88g of S, what are the names of M AND M2S3
if i initially have a gas at a pressure of 12 atm a volume of 23 liters and a temperature of 200 k and then i raise the
how to find the maximum percentage yield of the ketene when the phase-gas decomposition of acetic acid at 1189k
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
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