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How many electrons are there in an s sub-level? a p sub-level? a d sub-level?An f sub-level?
A mole of hydrogen atoms contains 6.02 x 1023 atoms and occupies 22.4 L. How many hydrogen atoms are contained in 25.00 mL of this gas?
If a water sample has a phosphate concentration of 2.0 x 10-6 M, at what calcium ion level will a precipitate of Ca3(PO4)2 begin to form if the Ksp = 1 x 10-25
when 1 of a fuel is burned at constant pressure it produces 3450 of heat and does does 11 ofwork.what is the value of
What is the volume of 0.5694 moles of gold? Density of gold is 19.30 g/mL The atomic mass of gold is 196.97.
Explain what is the melting point of the hydrazone formed when heptanal reacts with 2, 4-dinitrophenylhydrazine
An ice cube of 15.1 grams is placed into 304 grams of H 2 O. compute the change in temperature in the H 2 O upon completing melting of the ice.
consider the following unbalanced reaction.p4s f2g pf3gwhat mass of f2 is needed to produce 113 g of pf3 if the
To measure the volume of an irregularly shaped container filled with water, 1.00 ml of 2.00 M potassium chloride solution is added. After stirring, a 5.00 ml sample was found to contain 2.54x 10^-2 mg of potassium ion. What is the volume of the co..
A solution containting 1.45g of an unknown substance in 26.5g of succinonitrile was found to freeze at 34.4 degrees celcius. what is the molar mass of the unknown substance.
If i use 0.212 g of benzaldehyde, 1.6ml of a solution containing 58 mg of acetone in ethanol. what is my mols of benzaldehyde and what is the mols of acetone. how do i determine the moles for acetone if its ethanol.
Acetone, like dimethyl ether, has no self-hydrogen bonding capacity, but its dipole moemnt is more than double that of the ether. Can this high dipole moment explain the properties of acetone compared to the other compounds
Question- The following balanced equation is incorrect. Explain why this is and give the correct balanced equation; Al(s)+3Cl(g) ---> AlCl3(s)
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