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Cylinders of compressed gases are often labeled to show how many "SCF" or "standard cubic feet" of gas they contain. 1 SCF of gas occupies a volume of 1 ft3 at a standard temperature and pressure of 0°C and 1 atm. A particular cylinder weighs 122 lbs when empty, and 155 lbs when filled with argon gas at 26°C. How many SCF of Ar does this cylinder contain?
What is the pH when 100 mL of 0.1 M HCl is titrated with 50 mL of 0.2 M NaOH?
A silver block, initially at 56.8 degrees C, is submerged into 100.0g of water at 24.7 degree C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.8 degrees C
How much water must be added to 488 mL of 0.223 M HCl to produce a 0.134 M solution?
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu. Answer 3.507 amu 1.056 amu 0.079 amu 0.564 amu 0.528 amu
1-Bromo-butane with NaOCH3; wouldnt that be an Sn2 reaction? Since its a good nuc/base and it's a primary halide and it's non bulky.
If units were explicitly specified for Kp of the reaction above, they would be [atm]n. What would be the value of n for this reaction?
A volume of 80.0 mL of a 0.520 it M HNO_3 solution is titrated with 0.590 it M KOH. Calculate the volume of KOH required to reach the equivalence point?
Calculaw the concentration of hydroxide ions in stomach acid at body temperature. ([H3O^+]=0.10M)
how much calcium carbonate caco3 should be left in an eggshell soaked in an acid of ph level of 3 ? ph 5? ph 7?nbspcan
predict the sign of delta s for each of the following reactionsn2h4 -gt n2 2h2oc2h5oh 3o2 -gt 2co2 3h2op4 5o2 -gt
Regarding the reaction of the products that correspond to syn addition of Br2 to trans cinnamic acid and those that correspond to anti addition, why would you isolate a pair of enantiomers rather than a single enantiomer from this reaction
A solution contains 1.35 g of Ca(OH)2 in 875 mL of solution. Find the normality of the solution.
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