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Which of the following clusters of orbitals would form the shape and would also be possible within the valence shell of an atom?trigonal planner
An airplane is pressurized to 650 mmHg, which is the atmospheric pressure at a ski resort at 13000 ft altitude: a) if air is 21% oxygen, what is the partial pressure of oxygen on the plan
An inert gas occupies volume of 366 ml at temperature 41 oC and pressure 354 Torr. What volume does the gas occupy at standard ambient temperature and pressure (SATP)?
For a certain reaction ?Gorxn = 27.9 kJ/mol. What is the equilibrium constant at 225oC? Remember to convert kJ to J to have consistent units and the temperature to K.
What is the hydrogen ion concentration of a solution when 2.334ml of acetic acid (60.05 g/mole) and 2.082 grams of sodium acetate (82.04 g/mole) are added to 500ml of water?
the specific heat of fat is 0.45 and the density of fat is 0.94 . how much energy in calories is needed to heat 19 of
A wooden artifact from a Chinese temple has a activity of 43.3 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age
1.it is noted that an iron nail was with the 12gms mass absorbs heat of 15 joule you need to calculate the final
Name an element in the fourth period of the periodic table with a total of 4 4p electrons. Name an element in the fourth period of the periodic table with a total of 3 3d electrons Name an element in the fourth period of the periodic table with a ..
The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
A 270 mL stock solution contains 0.9 M Ca(CN)2. When 103 mL of the stock solution is diluted to 130 mL, how many moles of CN- ions will be contained in the dilute solution?
Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.
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