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Approximately how long would it take for a telephone signal to travel 3000 mi from coast to coast across the United States? (Telephone signals travel at about the speed of light.) What are the wavelength limits of the audible range of the sound spectrum? (Use the speed of sound in air.)
A 455 g piece of copper tubing is heated to 89 degrees C and place in an insulated vessel containing 159 g of water at 22.8 degrees C. Assume no loss of water and heat capacity for the vessel of 10.0 J/K, what is the final temperature of the syste..
If the height of the mercury column in the leveling bulb is 30mm greater than that in the gas buret and the atmospheric pressure is 670 mm, what is the pressure on the gas trapped in the buret?
Diagram the formation of an ether. Name the type of reaction and the ether you created.
A 1.80-g sample of phenol (C6H5OH) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/°C. The temperature of the calorimeter plus contents increased from 21.36°C to 26.37°C. Write a balanced chemical equation for the bomb ca..
The Ksp for silver sulfate (Ag2SO4) is 1.2 multiplied by 10-5. Calculate the solubility of silver sulfate in each of the following.
Hello we are doing lab the Oxidation of Borneol to Camphor can someone help me with these questions 1. Using the chemical structures, write a balanced equation for the oxidation of (-)-borneol with hypochlorite in acid affording hydrogen chloride a..
Suppose you have 5.00 g of powdered magnesium metal, 1.00 L of 2.00 M potassium nitrate solution, and 1.00 L of 2.00 M silver nitrate solution. (a) Which one of the solutions will react with the magnesium powder?
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 350C
At a temperature of 395*C and a pressure of 705 mmHg, how many grams of NH3 can be produced when 3.80 L of NO2 react?
Presume you have just added 200.0 ml of a solution containing 0.5000 moles of acetic acid per liter to 100.0 ml of 0.5000 M NaOH. Explain what is the final pH. The Ka of acetic acid is 1.770 ×10-5.
The temperature dependence of the vapor pressure is given by the equation: Ln p = Ln A - deltaH(vapor)/RT. Where p = pressure, T = temperature, A = pre-exponential constant, and delta h (vapor) is the enthalpy of vaporization. Solve for vapor pres..
sodium hydroxide solution for neurtalization to a phenolphthalein end point, calculate the molarity of the phosphoric acid.
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