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What are good ways to learn how to calculate pH? I know that pH is a measure of acidity, and that it is calculated using hydrogen ion and hydroxide percentages, but I always mess up the actual formula.
Why does an investor buy a put option? Why does an investor writing a put option?
Determine the actual molar and mass air/fuel ratios.- The volume percentage of water vapor in the exhaust gas before it was dried for this analysis.
Question- Heat in the amount of 150 kJ is transferred directly from a hot reservoir at TH=550 K to two cooler reservoirs at T1= 350 K and T2= 250 K. The surroundings temperature Tsigma= 300 K. How could the process be made reversible?
Calculate the wavelength and frequency of an emitted gamma particle having the energy of 1.29x 10^11 J mol. Enter in scientiic notation.
Which of the bonding forces from the list above would need to be overcome to convert CCl4 from a liquid to a gas? (Enter the letters in order of all that apply, e.g. AB, ABD, ACDE, etc.)
Describe the procedure for preparation of 250 cublic cm of aqueous sulphamic acid of accurately known concentration.
The vapor pressure of methanol at 30. oC is 158 torr. What mass (in grams) of methanol actually evaporates?
The enzyme, malate dehydrogenase, catalyzes the oxidation of L-malate to oxaloacetate with the concomitant reduction of NAD+.
Explain how much heat is evolved when 50.0mL of CS2 (d=1.263 g/mL) react with 5.00 L of chlorine gas at 2.78atm and 27 degrees Celsius
Question- I was doing an experiment and I started off with 12 grams of (CoCl2-6H20) and I produced 6.0282 grams of [Co(NH3)6]Cl3. So for my present yield I did
The total pressure is 6.80atm . If the Henry's law constant for N2 in water at this temperature is 7.92x10^-5 M/mmHg and the density of the solution is 0.998 g/mL what is the molality of a solution made using the same partial pressure of N2 from t..
Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture.( pKa1=1.30, pKa2=6.70.) Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH..
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