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Problem- A leaky faucet drips water at a rate of 1 drop every 2 seconds exactly. If 1 mL is equal to 20 drops exactly, how many weeks would it take for the faucet to leak 346 ft^3 of water?
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Question- How much work does a gas do when is expands against a constant pressure of 0.500 atm from a volume of 50.00 ml to a volume Question-of 350.00 ml
The question is:A glass jar is filled with saturated water at 500 kPa, quality 25%, and a tight lid is put on. Now it is cooled to -10°C . What is the mass fraction of solid at this temperature
nbspa solution of 0.100 m acetic acid is prepared.a what is its ph value? b if 20 of the initial acetic acid is
Explain why selectivity in isocratic HPLC system ideally should not depend on eluent composition. (Use thermodynamic derivation to support your explanation).
Explain how would the enol proton signal look/behave for the equilibrium below if exchange is 1) slow relative to the NMR time scale 2) fast relative to the NMR time scale 3) between slow and fast given that Keq is 2.
Calculate the wavelength in nm: a) a muon (a subatomic particle with a mass of 1.884 x 10^-25 g) traveling at 345 m/s b) an electron (me = 9.10939 x 10^-28 g) moving at 3.80 x 10^6 m/s in an electron microscope
Where does the extra electron come from when determining the formal charge of NH2? N has 5 valence electrons and H each have one which lead to two bonds and one lone pair and one lone electron which equals a formal charge
In a 0.400 mol/kg aqueous solution of sucrose, the molarity of sucrose is 0.282 mol/dm3 and the density of water is 0.998 g/cm3 at 20oC and 1 atm. Estimate the osmotic pressure of this solution.
Problem- A newly discovered atom, Unk, is found to form a polar covalent bond with the comparatively more electropositive Phosphorus, P, with a bond energy of 450 kJ/mol. Bond energy: P-P = 490 kJ/mol; Unk-Unk = 347.0 kJ/mol. Determine the electro..
All synthesis must begin with any carbon compound that has no more than two carbon atoms or benzene unless otherwise stated. Any inorganic reagent is available. Once a compound has been synthesized it can be used at any other point in other questi..
calculate ground state energy, 1st excited energy level, and wavelenght of an electronic transition between the 2 lowest energy states for an electron
Show all the steps for determining the overall net ionic equation by the method of half reactions for the redox reaction of permanganate with oxalic acid. the two unbalanced half reactions are MnO4 ---> Mn2+ (COOH)2 -----> CO2
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