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An air bubble has a volume of 0.500 L at 18 degrees C. If the pressure does not change, what is the volume, in liters, at each of the following temperatures? a) 0 degrees C; b) 425 K; c) -12 degrees C; d) 575 K.
Consider a steel tank whose volume is 49.0 L and which contains O2 gas at a pressure of 18100 kPa at 29°C. What volume would the gas occupy at STP?
the effect of epinephrine binding to B-receptors is well known. epinephrine also binds to alpha-receptors. which of the following would NOT result following the binding of epinephrine to alpha-receptors in the liver
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16). In addition when compound A is reacted with O3 followed by zinc and acetic acid the following two compounds are formed
what is the max amount of fructose that can be added to 1.5 kg pure water and still have the solution freeze?
If cAMP concnetration increases what happens to each of these pathways in the liver? Name the critical enzyme that becomes phosphorylated (not necessarily by PKA) that effects the flux through the pathway
Given Data; P4+6Cl2=4PCl3 change temp= -2439 kj ,4PCl5=P4+10Cl2 change temp= 3438 kj calculate change in temp for the reaction PCl5=PCl3+Cl2.
allowed to expand adiabatically against constant Pext = 10 atm. Compute the final T, ?U, and ?H for this process. Use Cv = 20.8 J/mol*K and assume the gas is ideal.
Decribe how adding a solution of KOH to the original sulfide precipitate results in the separation of Sn4 ion from the other group
3I2(s) + 2P(s) → 2PI3(s) What is the percent yield of the reaction if 28.3 g of phosphorus triiodide PI3 is obtained when 68.0 g of I2 and 68.0 g of P are mixed and allowed to react.
How many grams of Na3PO4 will be needed to produce 550 ml of a solution that has a concentration of Na+ ions of 1.00M ?
Why is the first step in an electrophilic aromatic bromination reaction so much more endothermic than the first step in an electrophilic addition to an alkene
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