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When 1.25 g of an element X is reacted with excess with bromine, a compound of empirical formula XBR5 forms with a mass 6.62 ga) Find out the atomic mass of X
A sample of NH4HS is placed in an evacuated container as well as allowed to come to equilibrium. The partial pressure of NH3 is then raised by the addition of 0.590atm of NH3. Explain the partial pressure of H2S at equilibrium is now what atm
Which is a redox reaction. identify reducing and oxidizing agents. a) CH4 burns in oxygen to produce carbon dioxide and H2O. b) copper metal forms copper (I) oxide on exposure to air. c) iron rusts to form Fe2O3.
the enthalpy change for melting ice at 0c and constant atmospheric pressure is 6.01 kjmol. calculate the quantity of
Why is the H-O-H bond angle in a water molecule (H2O) smaller than the H-C-H bond angles in methane (CH4)
a 1.00 g sample of stream water was found to contain 5.010-6 g lead. calculate the concentration of lead in the stream
draw a detailed mechanism including arrows to show electron flow for the synthesis of acetylferrocene from ferrocene
we need to dry something like protein and drugs, how to deal with them to avoid the deactivation phenomenon?
Construct a three-step synthesis of 1-bromopropane from propane by dragging the appropriate formulas into the bins. Note that each bin will hold only one item, and not all of the given reagents or structures will be used.
if 37.0 grams of hydrogen sulfide gas h2s mm 34.08 gmol react with 37.1 grams of oxygen gas o2 mm 32.00 gmol what is
Step-wise solution to a numerical problem related to a flocculation-based water treatment plant having a flow of 25 MGD. The plant is to employ alum coagulation.
Humans consume glucose, C6H12O6, to produce engery. the products of glucose consumption are CO2 and H2O. C6H12O6(s)+6O2(g)--->6CO2(g)+6H20(g)
A heat exchanger is used to transfer heat from a steam stream to a chlorine gas stream. 100 kg of steam at 1 bar and 400°C enters the heat exchanger and leaves the exchanger as saturated steam at 1 bar. Chlorine gas enters the exchanger at 1 bar a..
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