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Deduce the numerical value of x in the formula Mo(CO)x. Explain the rationale for your chosen value of x. (Hint: consider electron pairs and bonding opportunities.)
a bacterial culture isolated from sewage produced 35.5 ml of methane ch4 at 31 oc and 753 mmhg. what is the volume of
Predict whether the following solutions will be acidic basic or nearly neutral a) NH4l b) NaNO2 c) FeCl3 d) NH4F, where NH4+ is Ka=5.6 x 10^10; F is Kb= 1.4 x 10^-11
Use the Nutritional information on the food bag to calculate the calories per gram? How does this information compare to your information? How do you explain the discrepancy? How could you do the experiment differently to get a more accurate value..
describe the molecular geometry of formic acid in terms of hybrid orbitals,bond angles and sigma and pi bond, and how many lone pairs are in the molecule.
Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
Using a single reagent and only reaction chemistry that was part of this experiemnt, how could you distinguish between the following pair of substances contained in seperate test tubes?
metallic aluminum reacts with mno2 at elevated temps to form manganese metal and alunimun oxide. a mixture of the two
An electron in the n = 4 level of an H atom emits a photon of wavelength 97 nm. To what energy level does the electron move?
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Choose an acid below and determine how much of the acid in mL that you need to add to 0.800 g of the sodium salt of its conjugate base to prepare a buffer with a pH of 3.8. 3.0 M formic acid
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