Finding out the magnitude and the direction of field
A rod 14.0 cm long is uniformly charged and has a total charge of 222.0 mC. Determine (a) the magnitude and (b) the direction of the electric field along the axis of the rod at a point 36.0 cm from its center.
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You take 3.1789 g of a substance and place it into 100.0 g of benzene. The boiling point of this solution is found to be 80.5464 EC. What is the approximate molar mass of the substance?
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The remaining energy is dissipated by free convection into the surrounding quiescent atmospheric air at 25 ºC. Calculate the temperature of the outside surface of the wall.
A compound contains only C, H, and O. To analyze the compound, you determine its empirical formula by analysis for C and H, and its molar mass by freezing point depression.
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A mixture of methane and water vapor pressure is passed over a nickel catalyst at 1000K. The emerging gas is collected in a 5.00L flask and is found to contain 8.62g of carbon monoxide, 2.60g of hydrogen gas, 43.0g of methane, and 48.4g of water v
The activation energy of a certain reaction if 65.7kJ/mol. How many times faster will the reaction occur at 50 degrees Celsius than at 0 degrees Celsius? State the assumptions you need to make in order to perform this calculation.
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