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If the volume of ocean water calculated above contains 3.3 percent sodium chloride "salt" by mass and the density of the water is 1.76 g/mL, Compute the total mass of sodium chloride. 1 ton = 2000 lb, 1 lb = 453.6 g
Explain the following observations in terms of shifting equilibria by le Chatelier's principle. Write the equation for the equilibrium involved in each case.
Construct a detailed sequence of rxn to synthesize meso-1,2,-dichlorocyclopentane as the major substrate product, starting with (1R,2S)-2-bromocyclopentanol as the subtrate.
Which of the following is always true for a spontaneous process at constant temperature. A) Delta S system + Delta S surroundings = q/T B) Delta S > 0 C) Delta S = q/T D) Delta system + Delta S surroundings > 0 E) Delta S
Carbon dioxide makes up approximately 0.04% of Earth's atmosphere. If you collect a 2.4 sample from the atmosphere at sea level (1.00 ) on a warm day (28), how many molecules CO2 are in your sample
0.80g of sodium hydroxide naoh pellets are dissolved in water to make 6.5l of solution. what is the ph of this
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
Elements, which has the largest first ionization energy and equation correctly represents the first ionization of calcium?
Determine the energy of 1.20mol of photons for each of the following kinds of light. (Assume three significant figures.) infrared radiation (1480nm) visible light (520nm) ultraviolet radiation (130nm)
The specific heat of mercury metal is 0.138J/gK. How much heat, in joules, is required to heat a 71.5 gram sample of mercury from -6oC to 54.4oC. Enter your answer in scientific notation with no units.
at 900k the following reaction has kp0.345. 2so2 o2-gt2so3. in an equilibruim mixture the partial pressure of so2 and
What is the enthalpy change (in kJ) of a chemical reaction that raises the temperature of 250.0 ml of solution having a density of 1.25 g/ml by 1.60°C
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
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