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According to valence bond theory, the triple bond in ethyne (acetylene, C2H2) consists of A) three sigma bonds and no pi bonds B) two sigma bonds and one pi bond C one sigma bond and two pi bonds D) no sigma bonds and three pi bonds E) none of these choices is correct
Using the balance equation for the combustion of ethanol, anwer the following question C2H6O(l) + 3 O2(g)-----------2CO2 (g) + 3H2O(g) Ethanol
although aspirin solutions do not absorb visible light, we are still able to use visible light in an experiment to analyze the purity of aspirin. Why?
If 2.50 g CuSO4 are dissolved in 8.0 x 10^2 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)4^2+, and NH3 at equilibrium
The solubility product constant for Cu(IO3)2 is 1.44 x 10-7. What volume of 0.0520 M S2O32- would be required to titrate a 20.00 mL sample of a saturated solution of Cu(IO3)2?
What NaCl concentration results when 299 mL of a 0.820 M NaCl solution is mixed with 407 mL of a 0.450 M NaCl solution? When heated, KClO3 decomposes into KCl and O2
What volume of O2 at 684 mmHg and 21 degree celsius is required to synthesize 25.0 mole of NO?
What will be the final concentrations of NH3,N2, and H2 after equilibrium is established. I know the answers are suppose to be H2=.170M, NH3=.0424M, N2=.0568M, but I don't know how to get them.
A solution of ammonia and water contains 4.40×1025 water molecules and 8.30×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
A nucleus of mass number 27 contains 14 neutrons. An atomic ion of this element has 10 electrons in it. Write the symbol for this atomic ion
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.
what is the relationship between the carbon to nitrogen bond lengths and bond order for HCN molecule
this is a post lab question: you did not correct for the barometric pressure for the vapor pressure of water. what happens to your calculations
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