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A 34 mL sample of HCl was triated with .58 M NaOH. Three drops of phenolphthalein was added to the HCL solution. If the HCl solution changed color after 72mL of NaOH was added. Compute the molarity of the HCl Solution.
Show the orbital-filling diagram for rm N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
List all the ionic species present (before any reaction occurs) when the following solutions are mixed together
A piece of Iron weighing 85.690 g was burned in the air. The mass of the iron oxide produced was 118.350 g. What are the moles of iron in the original sample. What is the mass of oxygen in the iron oxide. What is the moles of oxygen in the iron ox..
The crystal lattice structure of LaF3 is different from those discussed. Assume it is unknown. Using the equation of Kapustinskii, estimate the lattice energy.
How much heat is required to raise the temperature of 42.5 g of water from its melting point to its boiling point? Express your answer numerically in kilojoules.
a tugboat tows a ship at a constant velocity. the tow harness consists of a single tow cable attached to the tugboat at
Would you expect a carboxylic acid group within the water-free interior of a protein to have a higher or lower Ka than it would have if it occured on the protein's surface, where it is hydrated
a sample of propanec3h8 contains 10.8 moles of carbon atoms. how many total moles of atoms does the sample
The reaction is Cisplatin + H2O -> cisplatinOH2+ + Cl- Supposing the concentration of cisplatin in the bloodstream of a cancer patient is 4.73*10^-4 M. What will be the concentration after 24 hrs?
Using 3.2 g bromobenzene. Calculate the number of grams of Mg required if you need a molar equivalency of 1.25. Then calculate the amount of benzaldehyde (106.12 g/mol), benzophenone (182.22 g/mol), and methyl benzoate (136.15 g/mol) needed (they ..
question how many average collisions with hydrogen nuclei would a 1 mev neutron need to undergo before it becomes a
Propose hydrogen bonding patterns that will explain how either U or C in a codon 3'-terminal position could wobble with G at the 5' terminal of an anticodon (structural diagrams are required). Which hydrogen bonded pair will be the more stable? Wh..
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