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The nitrogen-nitrogen bond lengths in N2H4, N2F2, and N2 are 1.45, 1.25, and 1.10 A, respectively. Using the Lewis Structures, how can this trend be explained? No formal charges needed? (please include diagram of L.S. structures)
A 0.150 M NaCl solution is referred to as a physiological saline solution because it has the same concentration of salts as normal human blood. Calculate the mass of NaCl needed to prepare 275.0 mL of a physiological saline solution.
Ammonium Carbonate, NH4CO2, decomposes as follows: NH4CO2NH2(s) -> 2NH3(g) + CO2(g) Starting with only the solid, it is found that at 40C the total gas pressure is .363 atm. Calculate Kp.
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
The flask was then shaken until the solution was uniform. A 30.0-\rm mL sample of this glucose solution was diluted to 0.500 \rm L. How many grams of glucose are in 100. \rm mL of the final solution
What is the molarity of the prepared naoh solution as determined in the titration? How many moles of OH are present when the end point is reached? What color should the solution appear at end point?
Both colas are equally carbonated. You are able to drink 1 L of cola, but your friend can drink only about half a liter. You each close the bottles and place them in the refrigerator. The next day when you each get the colas, whose will be more ca..
If you fill the larger tank with oxygen to a pressure of 115 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 110.°C and 0.795 atm?
Consider all possible transitions from the initial state to the final state of the hydrogen atom described above. Calculate all possible values of the wavelength of the emitted radiation.
Sample containing three organic compounds: a hydrocarbon (RH), carboxylic acid (RCOOH), and an amine (RNH2, organic compound with acid-base properties similar tammonia).
Identify the strongest attractive forces between molecules of each of the following: a) O2; b) SiH4; c) CH3Cl; d) H2O2; e) Ne
Which of the following is a tertiary alkyl halide. Can you please expalin why A) (CH3)2CHBr B) (CH3)2CHCH2CI C) (CH3)3CCI D) CH3CH2CHBr2 E) CH3CHBr2
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