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The unknown compound assigned to a student was an aldehyde, but about half of the sample distilled around 65?, and the rest of it distilled near 155?. (a) What is the name of the aldehyde? (b) What else was in the sample and why? Write a balanced equation for its formation.
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
Assuming no elasticity forces in rubber, what volume should a 1.0L ballookn at 25 degree Celsius and 1.00 atm pressure be if immerses in liquid nitrogen
If one collects the first liter of gas that moves from the original room into the evacuated room, approximately what would you expect its composition to be? Would it be the same as regular air?
A vanadium electrode is oxidized electrically. If the mass of the electrode decreases by 114mg during the passage of 650 coulombs, what is the oxidation state of the vanadium product
What structural similarities exist between indigo, tyrian purple, alizarin, picric acid, and the main component of mauveine? The compounds beta-carotene and crocetin are not listed as part of this group
at 800 ordmc keq 0.0100 for the following reaction2so2g o2g 2so3gwhat is the numerical value for the equilibrium
khc8h4o4 aq naoh aq -gt nakc8h4o4 aq h2o la. naoh is approximately 0.1 m. each titration will use 25.00 ml of khp
The normal melting point of benzene is 5.5 degrees Celsius . For the process of freezing, what is the sign for each of the following
An argon ion laser which operates at 488.2 nm is used to excite the tagged proteins and observe fluorescence. A 5 µM solution gives a signal of 0.852 relative fluorescence units. What is the wave number of the laser light at 488.2 nm?
an unknown hydrocarbon with the formula c7h12 reacts with one equivalent of h2 over pd. when the hydrocarbon reacts
Which one of the following electron configuration would corresponds to ground states and which to excited states: A)1s2 2s2 2p1 B)1s22p1 C)1s2 2s2 2p13s1 D)1s2 2s2 2p63s2
Calculate the pH of a buffer solution formed by adding 28.75 grams of sodium lactate (NaC3H5O3) to 450.0 mL of 0.550 M lactic acid (HC3H5O3) solution
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