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A 32.2 g iron rod, initially at 23.0 C, is submerged into an unknown mass of water at 63.0 C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 58.8 C.
What is the mass of the water?
What is the difference between a dipole-dipole interaction (permanent) and an induced dipole interaction (temporary). Examples please.
list the different types on intermolecular forces in the following
Show the orbital-filling diagram for (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
Calculate the empirical formula and then determine the molecular formula of this compound using the given molar mass. b) Draw three lewis structures for molecule that satisfies the octet rule for each atom.
A toxic, binary, gaseous oxide is 63.65% nitrogen by mass. determine its empirical formula.
what is the final volume of a 400.0 ml gas sample that is subjected to a temperature change from 22.0 degrees C to 30.0 degrees C and a pressure change from 760 mm Hg to 360 mm Hg
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
What is the osmotic pressure developed at 17 oC by an aqueous solution that is 0.111 M in AlCl3
magnesium oxide decomposes into magnesium and oxygen. if 12.09 of magnesium oxide decomposes to form 7.29 of
How much heat (in kJ) is evolved in converting 1.00 {mol} of steam at 160.0C to ice at -45.0C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.
Alpha helices are a type of secondary structure in proteins. What is the length of a 23-kDa single-stranded ?-helical protein segment
what mass of solid La(IO3)3 is formed when 50 ml of 0.250 M La are mixed with 75.0 ml of 0.302 M IO3-
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