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How will not knowing the difference between elements, compounds and mixtures have an affect on the concepts of organic chemistry? Why is it important to understand the concept behind elements, compounds and mixtures to succeed in organic chemistry?
A solution is made by combining 15.0 mL of 18.0 M acetic acid with 5.50 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
Show the chemical equation of chloroform and a base such as potassium t-butoxide or sodium hydroxide dissolved in water to make a dichlorocarbene and other products.
What is the chemical symbol for this element? Use stoichiometry to create an equation that allows you to solve for the molecular weight of X.
a solution is 0.0010 m in each of the following cations ag hg2 and pb 2. the ksp values for agcl hg2cl2 and pbcl are
Quantum dots are unique class of semiconductor because they are so small, ranging from 2-10 nanometers in diameter. The size of pencil lead in a mechanical pencil is 0.0197 inches.
when 0.629 g of ca metal is added to 200.0 ml of 0.500 m hclaq a temperature increase of 102c is observed. assume the
The rate constant for a certain reaction is = 6.10×10?3 . If the initial reactant concentration was 0.750 , what will the concentration be after 18.0 minutes
Explain what is the standard emf of galvanic cell made of a Ni electrode in a 1.0 M Ni(NO3)2 solution as well as a Cr electrode in a 1.0 M Cr(NO3)3 solution at 25 degrees Celsius
What will dissolve uric acid crystallizations clogging pvc pipes in a commercial hog farm operation? Surfactant must be non dangerous to the water table as pig effluents are drained into a lagoon.
Calculate the pH of the solution after the addition of 30ml of 0.1M NaOH. Show you work. Draw the structure of the form is His predominating in solution at neutral pH.
A flask is charged with 0.140 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g) B(g) The following data are collected. times (s) 0 40 80 120 160 moles of A 0.140 0.068 0.049 0.031 0.019 (a)
a solution of 22.0g cacl2 in 100.0 cm3 of water has a vapor pressure of 22.8 torr at 26 celsius. why does this result
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