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Problem- An inclined manometer is being designed to measure pressure using mercury and water. Pressure differences as small as 100 Pa (0.001 atm) must be measured, but it is desired to have a minimum reading of 1.0 cm. At what angle from horizontal must the manometer leg be inclined?
As much detail as feasible is really appreciated
Lagers and ales are two different types of beer. A lager is typically fermented at a temperature of about 5oC, while an ale is typically fermented at a temperature of about 20oC. If you wanted to produce a beer with a high ethanol content, all esl..
What is the boiling point of water at an altitude where the ambient air pressure is 0.61 bar? The enthalpy of vaporization of water near its boiling point is 40.7 kJ/mol.
You can get sunburn on a cloudy day, but you can't get sunburn even on a sunny day behind glass. Explain.
To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + O2 yields 2Na2O
Problem- Before the industrial revolution, the concentration of CO2 in the Earth's atmosphere was about 275 ppm. Considering the effect of dissolved CO2 only, calculate the effect that the increase in CO2 has had on the pH of precipitation.
a 91 gram solution of silver nitrate contains 15 grams of agno3. what is the percent by mass of silver nitrate in this
the class of ternary compounds called carboranes containing the elements carbon boron andhydrogen have played a
At 46 C a sample of ammonia gas exerts a pressure of 4.27 atm. what is the pressure when the volume of the gas is reduced to one-fourth of the original value at the same temperature
A solution of h2so4 with a molal concentration of 6.80 has a density of 1.318 g/ml. What is the molar concentration
Explain which chemical in the Dilantin procedure makes it necessary to grease the joint between the condenser and the reaction flask and Why? What could happen. The chemicals being utilized are benzil, urea, ethanol and 30% NaOH
The Ka of a monoprotic weak acid is 4.43x10-3. Explain what is the percent ionization of a 0.153M solution of this acid
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