Explain the percentage of barium in the compound
When a 0.269 g. sample of a barium compound was treated with excess H2SO4, 0.0891g of BaSO4 produced. Barium can be analyzed by precipitating it as BaSO4 and weighing the precipitate. Explain the percentage of barium in the compound?
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A puck having mass 0.20 kg approaches a second, similar puck that is stationary on frictionless ice. The original speed of the moving puck is around 6.0 m/s.
Using the hydrochloric acid a 5.00 mL sample of barium hydroxide is titrated to the phenolphthalein endpoint. The five mL sample needs 18.02 mL of 0.0873 M HCI solution to reach the endpoint.
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When a 0.269 g. sample of a barium compound was treated with excess H2SO4, 0.0891g of BaSO4 produced. Barium can be analyzed by precipitating it as BaSO4 and weighing the precipitate.
The weights are then interchanged and balance is again achieved by shifting the pivot point to the 43 cm mark. Determine the mass of the meter stick and the position of its center of gravity.
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Explain the primary and secondary structures of proteins. Determine the main differences between DNA and RNA? Describe as well as illustrate these
Assume that, at a particular moment during the reaction, molecular hydrogen is being produced at the rate of 0.078 M/s. Explain at what rate is P4 being produced?
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