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At 1.01 bar, how many moles of co2 are released by raising the temperature of 1litre of water from 20 Celcius to 25 celcius?
Which one of the following molecules has tetrahedral geometry?
When heated to 350 C at 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases: 2NH4NO3 (s)? 2N2(g) + 4H2O (g) + O2(g)
A soft drink contains 35 mg. of sodium in 315g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
Measured properties are characterized by their accuracy and their precision. When using measured values in calculations, it is most important to note that precision can neither be gained nor lost. The rules for significant figures usually obey thi..
determine the melting point of an aqueous solution made by adding 186 mg of saccharin c7h5o3ns to 1.00ml of water
What is the pH of the equivalence point of the two solutions if you then titrate these solutions separately with the NaOH solution? The Ka for acetic acid is 1.8e-5.
Explain why electrically neutral objects can become electrically charged even though charge cannot be created or destroyed.
describe the change in conductivity as the concentration of the NaCl solution was increased by the addition of NaCl drops
Many homeowners treat their lawns with CaCO3(s) to reduce the acidity of the soil. Write a net ionic equation for the reaction of CaCO3(s) With a strong acid.
Looking for a good explanation of how a typical 1H NMR spectrum can be obtained, outlining the physical basis for achieving the absorption of radio-frequency energy.
calculate the volume of air at 30 degrees celcius and 1 atm that is needed to burn completely 10 grams of propane. assume that air is 21 percent oxygen by volume
At a total air pressure of 2.78 and a temperature of 25.0 , what is the solubility of in a diver's blood? [Use the value of the Henry's law constant calculated in Part A]
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