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Ozone is an air pollutant produced when nitrogen dioxide, NO2 , from automobile exhaust reactswith oxygen. The chemical equation for this reaction is NO2(g) + o2(g) ---> NO(g) + O3(g).
In a given reaction, 5.20g of nitrogen dioxide and 3.90g of oxygen react. Identify the limiting and excess reagents in this case.Justify your prediction.
adrenaline is the hormone that triggers release of extra glucose molecules in times of emergency or stress. a solution
physiological saline solution contains 0.90 nacl solution used in this intravenous injections. determine how many grams
Determine the concentration, in moles per liter, to which the hydroxide concentration must be raised to produce a concentration of 0.200 mg/L of copper if the starting concentration is 2.00 mg/L. Estimate the resultant pH.
At a birthday pool party, the temperature is 29.50 C and the atmospheric pressure is 765.4 mmHg. One of the decoration helium balloons has a volume of 6.25 L.
Assuming the same mass of each, which of the following substances will have the highest temperature change if they all absorb the same amount of heat Gold
what is the enthalpy of the reaction 2X(aq)+Y(l) ? X2Y(aq) given that the solution has the same heat capacity as water?
The kinetic-molecular theory states that all particles of matter are always in motion.
What are the possibilities of the experimental error. Why is the zero order correlation coefficient better than first order
calculate the ph of buffer solution made from .20 M HC2H3O2 and .050 M C2H3O2 that has an acid dissociation constant for HC2H3O2 of 1.8*10-5.
calculate how many grams of ammonia could be formed from 2.32mol of nitrogen and h2h2?determine how many grams of
Why do aldehydes undergo nucleophilic addition faster than ketones? Explain based upon the transition state (applying Hammond's principle) and electronic and steric actors.
One mole of an ideal gas at 25C and 1 bar is allowed to expand adiabatically against a constant external pressure of 1.00 bar from 1.00 dm^3 to 10.00 dm^3. Calculate the final temperature
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