Superhero displacement related problem
A superhero flies 271 m from the top of a tall building at an angle of 15 ? below the horizontal. What is the horizontal component of the superhero's displacement?
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Barium metal crystallizes in a body-centered cubic lattic. The unit cell edge length is 502 pm, and the density of the metal is 3.50 g/cm3. Using this information, calculate avogadro's number
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What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m. Assume the van't Hoff factor for NaCl is 1.87.
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A student makes a mistake while preparing a vitamin C sample for titration and adds the potassium iodide solution twice. How will the larger quantity of KI influence the amount of NBS needed to titrate the sample?
Construct a rough plot of pH versus volume of base for the titration of 25.0 mL of 0.050 M HCN with 0.075 M NaOH
A car is slides down an icy driveway that slopes at an angle of 10 degrees. What is the acceleration of the car? Assume that the friction between the tires and the icy pavement is negligible.
What are the products of the hot alkaline KMnO4 oxidation of the following compounds? What will be the products if cold dilute KMnO4 is used instead
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