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Question 1: What does a net ionic equation represent? How is it different than a molecular equation?
Question 2: What is the difference between a strong acid and a concentrated acid? Do the two terms really mean the same thing?
Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 X 10^-7. Its unionized form is yellow and its conjugate base is blue. What color would a solution have at pH=5.8?
What volume of 5.0 M nitrate ion solution would be required to react with 35.0 mL of 0.75 M sulfide ion
What can you conclude from these results? -- Need 4 of them because I'm lost. Also, how can I estimate the useful range of a pH meter?
How much energy (in Joules) is required to heat 14.89 g of water from 11.9 oC to 49.2 oC ? Use 4.184 J/goC as the specific heat capacity of water.
If 5.42 g of nitrogen gas are reacted with 5.42 g of hydrogen gas, which of the reactants is the limiting reactant? Use the molar mass data below if necessary. Show all your work to explain your answer.
What must the units of k be? (C) Show that the intensity, |A (x)|^2 , of this travelling wave is nonzero everywhere, and independent of the coordinate x.
1 liter of a solution contains 0.75 moles of acetic acid and 35 grams of sodium acetate. calculate the concentration of
Explain how spectroscopy could be used by astronomers to assess the habitability of exoplanets and how it might be used to decide whether or not they could have an active biosphere.
How many grams of lactic acid, CH3CHOHCOOH, together with 2.00 grams of NaOH, must be used to prepare 225 mL of Lactic acid-lactate ion buffer at pH = 4.00
State electron configurations for the subsequent ions and determine which have noble gas configuration: a) Zn2+ b) Te2- c) Sc3+ d) Rh3+ e) Ti+ f) Bi3+
The half-lives of different radioisotopes are given in the table below. If the initial amount of indium-117 is 8.4 g, how much indium-117 is left in the body after 86 minutes?
for the reaction a b-----gt c the rate law is rateka. if the initial concentration of a 2.5 moll the initial b 1.4
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