Discuss the molarity of a barium chloride solution
Discuss the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O) in enough water to make 334.0 mL of solution?
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The unknown was found to have a boiling point of 57C at 658 mm Hg. A liquid unknown was found to be in soluble in water and soluble in alcohol and cyclohexane; determine the substance?
What error would result in the volume dimension and what would be the effect of this error on the designed density when the air bubbles were trapped in your solid beneath the liquid level in your density determination.
Compare velocity of the raindrop to this velocity. Describe why the raindrop, which has the far greater velocity than bullet, does not harm us.
Explain what solvent would you use to calculate the density of cadmium nitrate? And convert your densities to kg/L and compare these values with those in g/mL.
Helens in 1980, gas samples from the volcano were taken by sampling the downwind gas plume after the large eruption of Mount St. The unfiltered gas samples were passed over a gold-coated wire coil to absorb the Hg present in the gas.
A commercial stomach acid neutralizer consists mainly of Mg (OH)2. Determine the number of grams of Mg (OH)2 would be needed to neutralize the daily output of gastric juice, which is about 2 liters in volume and about 0.05 F in HC
White phosphorous, P4, is prepared by fusing calcium phosphate, Ca3 (PO4 )2 , with carbon, C, and sand, SiO2, in an electric furnace. 2Ca3(PO4)2 (s) + 6 SiO2(s) + 10C (s) ----> P4 (g) + 6 CaSio3 (l)+ 10 CO (g).
The reaction among oxygen and nitric oxide (NO) to form the nitrogen dioxide (NO2) is a key step in photochemical smog formation:
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