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Explain A 368-g sample of water absorbs infrared radiation at from a carbon dioxide laser. Presume all the absorbed radiation is converted to heat. Compute the number of photons at this wavelength needs to raise the temperature of water by 5.00 degrees C.
Calculate the mass of Nitrogen (N2) that will react completely with 6.00g of Hydrogen (H2) to form Ammonia. Via the Reaction: N2+3H2=2NH3
Consider a solution of a weak acid at a pH equal to its pKa. By how much would the pH change, and in which direction, if we added to this solution enough base to neutralize 10% of the total acid?
Explain in your own words what consitutes a buffer solution. Then explain how this solution resists changes in pH when strong acids or strong bases are added to it.
Calculate the pH after 0.010 mol gaseous HCl is added to 287.8 mL of each of the following buffered solutions.
phenylacetic acid c6h5ch2cooh is one of the substances that accumulates in the blood of people with phenylketonuria an
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 337°C, 786.0 mmHg and contains only N2, O2, CO2, and H2O
A chemist dissolves 0.099 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 36.1-mL sample of this solution
Ethers react with HI to form two cleavage products. One of the products might react further with HI. In the first box below draw the two major products that could be recovered after treatment with one equivalent of HI
If 21.3 mL of a 0.120M NaOH solution are required to neutralize 0.400 grams of an unknown monoprotic acid, what is the molecular mass of the acid
at constant volume, the initial pressure of a substance is 0.63 atm and the initial temperature is 283 k.calculate the pressure of the substance at 295 k.
Unit cell problem of copper (Cu) is a face-centered cube that has an edge lenth of 3.62 A (note: 1A=1*10^-10 m). Determine the volume occupied by one mole of copper atoms, , in terms of mL/mol.
Consider the reaction of Al and Al+3 and Mg and Mg+2. Which is the cathode and which is the anode
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