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Two wires with the same length but different cross sectional area. Which wire has a larger electric resistance?
mixture of 2-amino-propanoic has a specific rotatio of -5.6. What is the percent composition of the mixture of the specific rotation for the S enantiomer is +14.5
Using data from Appendix D in the textbook, calculate [OH?] and pH for each of the following solutions.
1. A saturated solution of Cu(OH)2 at 85Celsuis has [Cu2+] = 0.013M and [OH-] = 0.026M. What is the value of the Ksp for Cu(OH)2 at 85 Celsuis?
suppose the solubility of your unknown carboxylic acid is 6.8gml water at 95c and 0.17gml water at 0c. given that you
72.0 ml of a 1.50 M solution is diluted to a volume of 288 mL. A 144 mL portion of that solution is diluted using 185 mL of water. What is the final concentration
the electron affinity of each group 5a elements is more positive than that of each corresponding group 4a element. use
A circular storage tank in the san Ardo california oil field water treatment facility is 50 yards in diameter. Estimate how many barrels of fluid this tank could hold
How many mmol of acetic acid (HC2H3O2) are required to react with the NaOH?
Write balanced net ionic equations (using half-reaction method) for each off the following chemical reactions. Show Work. 1) Solid sodium metal is added to a solution of solfuric acid.
Depict the structural formula for the following compounds. Must include all the CH-CH3, etc. details a) 2-methoxy-2-methylpropane
a 0.1000m solution of ethanoic acid hc2h3o2 is only partially ionized so that h2.25x10-3m. what is the acid
A 375mL sample of gas is initially at a pressure of 721 torr and a temperature of 32°C. If this gas is compressed to a volume of 286mL and the pressure increases to 901 torr, explain what will be the new temperature of the gas (reported to three s..
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