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A gas sample is connected to a closed end manometer. the difference in mercury levels in the two arms is 115mm. what is the gas pressure in torr if the atmospheric pressure is 750 torr?
The density of ocean water at a depth of 10,000 m is 1.071 g/mol and if 27 g of water at that depth contains 185 mg of potassium chloride, what is the molarity of potassium chloride in the sample
the simplest cycloalkyne has how many carbons? What is the Isoelectric point for aspartic acid. (Amino Acid PI)
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
The acid forms two ions, HC2O4- and C2O42-, by the sequential loss of H+ ins. Draw lewis structures for the three species and comment on the relative lengths and strengths of their carbon-oxygen bonds.
when filled with water (d=1.00 g/cm 3) the flask and it contents weigh 518.3 g. what is the flask's volume?
Diet coke Chemistry, You drink a 500 ml bottle of Diet Coke, which has 0 calories. The Diet Coke was chilled to 7 degrees C before you drank it. Approximately how much heat energy is drawn from your body to warm this 500 ml of Diet Coke up to your..
We are asked to construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good.
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas
The precipitate formed was washed and dried .Its mass was 0.287g.Find the mass of NaCl in the initial sample.
Imagine an additional pressure of Cl2(g) = 0.40 atm is then added to the flask. Find the partial pressure of CO in the flask when the system re-establishes equilibrium.
Tell me if an induced current would exist, if you had a coil and a magnetic field that both were in motion at the same time.
calculate the molarity and mole fraction of acetone in a 1.06 m solution of acetone ch3coch3 in ethanol c2h5oh. density
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