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If water is put under pressure, the boiling point is elevated; if the pressure is lowered, the boiling point will also go down. This phenomenon has some very practical applications in the power plants, particularly nuclear power plants. How does this help the overall efficiency of a nuclear power plant?
A sample of a dish from an archaeological dig gave 18 500 disintegrations per gram of carbon per day. A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day.
What type of hybridization is used on the central atom in CHCL3?
A graduated cylinder contains 152 mL of water. A 14.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
addition of excess NH3 to this acidic solution produces only a blue solution. Which group III ions are present, which are absent and which are in doubt? How would you remove all doubt?
Urea (NH2CONH2) an important nitrogen fertilizer is produced industrially by the reaction 2NH3(g)+CO2(g)--->NH2CONH2(aq) + H2O(l) given that ?G^degree = -13.6KJ, calculate
What is the geometry and hybridization of the carbonyl carbon in carboxylic acids and their derivatives.
If Kp = 0.032 at this temperature, what will be the equilibrium overall pressure starting from pure CaSO4(s)?
You would like to create a reflection grating like the one shown at the right, with an incident angle (θ) of 43 °. Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:
how many grams of urea must be added to enough water to obtain 115 ml of a solution with an osmotic pressure of 2.7 atm at 35 degrees celsius
Repeat for 0.1 M Zn^2+ in 3 M OH- 3. What is the appropriate % if complexed iron in a 0.1 M Fe3+ solution containing 1 M KSCN?
What is the reaction order with respect to chloroform? What is the reaction order with respect to chlorine.
Determine the percent yield of barium sulfate If the actual yield = 0.456 grams?
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