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A. XeF4 B. BF3 D. CF4 C. AsF5 E. NH3 65. The F-S-F bond angles in SF6 are A. 90 and 180. B. 109.5. 64. Which one of the following molecules has tetrahedral geometry? A. XeF4 B. BF3 D. CF4 C. AsF5 E. NH3 65. The F-S-F bond angles in SF6 are A. 90 and 180. B. 109.5. D. 180. C. 120. E. 90 and 120. 66. Which one of the following molecules has a zero dipole moment? A. CO B. CH2Cl2 D. SO2 C. SO3 E. NH3 67. Indicate the type of hybrid orbitals used by the central atom in CCl4. A. sp B. sp2 C. sp3 D. sp3d E. sp3d2 68. What is the hybridization of the As atom in the AsF5 molecule?
An analysis of nicotine (MW=162 g/mol) gives 74.0% carbon, 8.65% hydrogen, and 17.3 nitrogen. What is the true Molecular formula for nicotine?
a ball is thrown verticall downward with an initial speed 11.3 m from a roof of a building 39.0m above the ground .how long doest it take to reach the ground? what is its speed of impact?
What is the limiting reagent in this procedure? B. Based on your answer to part A, what mass of Fe(C5H5)2 could theoretically be formed? C. A student who carried out this reaction obtained 2.7 g of ferrocene. What was the percent yield for this re..
If 16.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
The mixture was analyzed spectrophotometrically and found to be 1.84*10^-3 M in I3-. Calculate the molarity of I3- in the original sample
A 4 g sample of the hydrated crystal Ba(OH)2• χH2O is heated until all the water is removed. The remaining solid weighs 2.17 g. Calculate the formula of the hydrated crystal.
What is the heat of combustion per gram of butane?
A batch of 5 kg of food product has a moisture content of 150% dry basis. Calculate how much water must be removed from this product to reduce its moisture content to 20% wet basis
Place palmitic acid at the middle position. Cis/trans isometry is graded -it may help to draw hydrogen atoms associated with the carbon atoms of the double bond.
The osmotic pressure,pie , of a solution of glucose is 83.1atm . Find the molarity of the solution at 298k .
A jogger runs at an average speed of 5.9 mi/h. a. How fast is she running in m/s? b. How many kilometers does she run in 98 min?
If 76.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
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