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0.11 g of a monocarboxylic acid is neutralized by 12.5ml of a 0.1N sodium hydroxide solution. What is the molecular weight of the acid?
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq)+2e??Zn(s)
A 100.00 mL buffer solution is 0.175 M in HClO and 0.150 M in NaClO. What is the pH after addition of 85.0 mg go NaOH?
consider the chemical equationcuso4 x 4nh3 s lt-------gt cuso4 x 2nh3 s 2nh3 g the arrow is an equilibrium arrow. it
the system acd is hinged at a and d and supported by a cable which passes through a ring at b and is attached to hooks
How much heat (in kJ) is needed to convert 866 g of ice at -15 degress celsius to steam at 146 degrees Celsius? (The specific heats of ice and steam are 2.03 and 1.99 J/g x C respectively)
How much alcohol must be burned to generate enough heat to warm 279kJ from 60 degrees fahrenheit to 180 degrees fahrenheit? Express answer in grams. Show entire process
By chemical study the composition of zinc chromate is 36.05% zinc, 28.67%chromium, and 35.28% oxygen. Compute its empirical formula.
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-).
Why is saturated sodium chloride solution, rather than dilute solution specified for the final washing of the 2-chloro-2-methylpropane produced? (created from 2-methyl-2-propanol)
What class of compound and how many were docked into the NS5 binding sites and what PDB structure was used? What computational work-flow was used in the study?
The initial weight of the substance was = 1.391g After the heating process weight was = .404g % mass of water is = 29.0% Class average (true value) = 29.3% Question is, what is a plausible reason for a % mass of water that is higher/lower than the..
From the mean bond enthalpy data given below, estimate the enthalpy change for the complete combustion of one mole of butene at 298 K. (The molar enthalpy of vaporization of water is 45.0 kJ mol-1 at 298K)
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