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Write the structural formula and other name of a) 2-bromo-3,3-dimethylhexane b) 3,3-dimethyl-1-heptyne
P4(s) + 6F2(g) --> 4PF3(g) How many grams of fluorine are needed to react with 6.20g of phosphorus?
If the partial pressure of oxygen drops below 100.0 mmHg, passengers become drowsy. If this happens, oxygen masks are released. What is the total cabin pressure at which oxygen masks are dropped
A certain weak acid, HA , has a Ka value of 6.6×10?7. Calculate the percent ionization of HA in a 0.10 M solution. Calculate the percent ionization of HA in a 0.010 M solution.
What is the difference between electron geometry and molecular geometry? How can knowing both assist in determining whether a molecule is polar or nonpolar?
A container is filled with CO2(g) and heated to 1000K. The gas pressure at this temperature is 0.50 atm. Graphite (C) is then added to the container and some of the CO2 is converted to CO according to the reaction below
What polypeptide would be synthesized from the following template strand of DNA:3' CGG AGA CGG ACG 5'
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done. Hint: Consider Le Chatelier's Pr..
imagine that as an employee of a pharmaceutical company you are working on an h-k-atpase. it is the enzyme that pumps
Solutions A and B are separated by a semipermeable membrane that is permeable to K+, but not Cl-. Initially, Solution A is 0.5 L of 100 mM KCl, and Solution B is 0.5 L of 1 mM KCl.
The molar volume of a certain form of solid lead is 18cm3/mol. Assuming cubic closest packed structure, determine the following: The volume of a single cell.
Calculate each of the following quantities for an ideal gas: a) The volume of gas, in liters, if 5.32 moles has a pressure of 3.72 atm at -72°C. b) The temperature (in C) of a gas containing 8.55 x 10-12 moles occupying 64 mL at 693 torr.
The air in a laboratory was measured with a barometer to be 7.40 x 10^2 mm Hg. What is the laboratory air pressure in atm?
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