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Lab Assignment: Chemical Bonding Fundaentals
Pre-lab Questions
1. List the atomic numbers for each of the following elements.
Iron _________ Oxygen _________Calcium _________ Nitrogen _________Potassium _________ Hydrogen _________
2. What determines if a bond is polar?
3. Use the periodic table to determine if potassium chloride (KCl) formed through covalent or ionic bonds? Use evidence from the Introduction to support your answer.
4. Research two common, polar molecules and two common nonpolar molecules. Draw their molecular structure and explain how the structure makes each molecule polar or non-polar.
It is made by treating scrap aluminum with chlorine gas according to the following balanced chemical equation:
What protein complex in the inner mitochondrial membrane allows protons to return to the matrix
A person inhales air richer in O2 and exhales air richer in CO2 and water vapor. During each hour of sleep, a person exhales a total of 300. L of this CO2-enriched and H2O-enriched air. (a) If the partial pressures of CO2 and H2O in exhaled air ar..
Hydrazine, N2H4, may react with oxygen to form nitrogen gas and water. N2H2(aq)+O2(g)=arrow=N2(g)+2H2O(l)
the freezing point of pure camphor is 178.4 degrees C, and its molal freezing-point constant, Kf, is 40.0 degrees C/m. Find the freezing-point of a solution containing 3.00 g of a compound (molar mass=125 g/mol) dissolved in 45.0 g of camphor
Why would you expect phosphorous to require less ionization energy than sulfur to remove a valence electron?
what do you think Does it mean that their properties also differ from a classical model of matter?
At a certain temperature 0.860 mol of SO3 is placed in a 2.00-L container. At equilibrium, 0.100 mol of O2 is present. Calculate Kc.
A wastewater treatment plant produces 34, 500 pounds of secondary sludge each day. Wastewater flows into the plant at a rate of 5.6 MGD and has an influent BOD of 325 mg/L. How many pounds of BOD are destroyed by this plant each day
what is the maximum mass of an object traveling at 549 m·s-1 for which the de Broglie wavelength is observable?
Consider the Lewis structure for the polyatomic oxyanion shown here, where X is an element from the third period. By changing the overall charge.
Usually as a solution cools, the solvent will crystallize out of the solution as the pure solvent. What effect will this have on concentration of the solute as solvent is solidifying.
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