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What is covalent bonding? why is it different from ionic bonds?
Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production.
A 50.0 ml sample of 0.100 M HClO4 is titrated with 20.0 ml of 0.200 M NaOH. What is the pH of the resulting solution
if equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield?
when m2s3 is heated in air it is converted to mo2. a 4.000g sample of m2s3 shows a decrease in mass of .277 g when it
The PCB concentration in the air inside a typical house is 400 ng/m3, and the ventilation rate is such that it takes, on average, 10 h to change the indoor air. If the indoor PCBs are coming from a leaking capacitor, how much leaks per year
For the titration of 50.00 mL of 0.0200 M 2-(N-Morpholino)ethanesulfonic acid with 0.09900 M NaOH, calculate how much titrant (mL) is required to reach a pH of 9.29 mL in the receving flask.
A researcher studying the nutritional value of a new candy places a 4.90-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.54 °C
For the Course Project, you are going to build your own personal jukebox. The jukebox will be capable of playing virtually any .WAV file in any order that you please. You will be supplied with a number of blues tunes and popular songs from the early ..
The corresponding nitrogen-containing anion NO4^3, is unstable but can be prepared by reacting sodium nitrate with sodium oxide at 300 degrees C. Draw Lewis structures for each anion. What are the differences in bonding between these ions
how many grams of sodium sulfide are formed if 1.60 g of hydrogen sulfide is bubbled into a solution containing 2.13 g
A toothpaste contains .24% sodium fluoride by mass that is used to prevent dental caries and .30% triclosan. toothpaste net mass is 119 grams. Calculate the number of moles of sodium fluoride
What is the cell potential for the reaction Mg (s)+ Fe^2+(aq) rightarrow Mg^2+(aq)+ Fe (s) at 83\;^\circ C when [Fe ^2+] = 3.60 M and [Mg^2+] = 0.310 M.
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