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A) What is the pH of a 5.52E-04 M solution of HCl? Report your answer to two places past the decimal point. WebAssign will check your answer for the correct number of significant figures.
B) What is the pH of a 8.80E-04 M solution of Ca(OH)2? Report your answer to two places past the decimal point.
hydrogen sulfide ion hs- is a weaker base than ammonia nh3. when ammonia reacts with hydrosulfuric acid h2s what
what are some difference or similarity in the type of inhibition caused by heat, acid or base and heavy metal ions on enzyme activity.
George is measuring pH in a lab where the temperature is 58 C. If the pH goes up by one pH unit, what will be the change in mV of his glass electrode?
when 0.198 g of KHP is tritated with NaOH it requires 27.80 mL of NaOH to reach the endpoint of the reaction. Calculate the molarity of the NaOH solution.
Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form for each bond.
calorimetry is used to find ?h for the reaction ba2aq so42-aq rarr baso4s. when 1.00 l of 1.00 m bano32 is mixed with
Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 10.0 L reaction flask contains ammonia at 0.450 atm and 22°C, and 164 mL of hydrogen chloride gas at 7.50 atm and 271 K is introduced
how did rutherford interpret the observation that only a very few of the a particles were scattered by the gold foil
when atoms of the hypothetical element x are placed together they rapidly undergo reaction to form the x2nbspmoleculea.
why is it important to immediately cover the Mg ribbon with the other slab of dry ice once it starts burning?
Estimate the viscosity of a liquid mixture composed of methane = 59.30 mole%, propane = 37.46 mole%, and n-octane=3.24 mole% at a temperature of 311 K and pressure
If this reaction is only 92.0% efficient and 424 g of the ferric oxide is required to make 4.20 mol iron, what is the percent purity of the ferric oxide?
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