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What is the maximum number of electrons that can have a principal quantum number of 3 within one atom? options: 8 18 3 32 Which atom is paramagnetic in the gaseous state? options: K Ca Zn Kr. Which compound has two lone pairs of electrons in sp3 hybrid orbital? options: BH3 CH4 NH3 H2O
calculate the mass of nitrogen dissolved at room temperature in an 99.0 rm l home aquarium. assume a total pressure of
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a Styrofoam cup the initial temperature pf the cold water was 21.00 degrees Celsius
Determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide and determine the density of this newly minted penny
If the atmospheric pressure at 30 km is 28.0 torr and the temp is -48 C, what is the volume of the balloon when it bursts?
If 1.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the molarity of the solution.
Calculate the number of silver atoms in a single silver nanoprism with the shape of an equilateral triangle with an edge length of 40 nm and a thickness of 5 nm.
what is the total volume of air in a room which contains a total of 75 kG of oxygen?
Do not delete any of the atoms or bonds in the ring or directly attached to the ring with the Erase button, and do not move atoms or groups directly attached to the ring by dragging them.
you wash dishes for a chemistry laboratory to make extra money for laundry. You earn 6 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 6 quarters/load.
KCl and sucrose (C11H22O11) are desolved in the same beaker of distilled water. write one mass balance and one charge equation that describe the resulting solution
What is the specific heat of a substance that requires 124 J to raise temperature of 95.5 g from 20.0 degrees celsius to 25 degrees celsius?
The density of hexa-fluorobenzene is 1.61 g/ml. If you mix dichloromethane, water and hexafluorobenzene together how many layers will there be and what will their positions be
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