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A 50 ml volume of HCl solution and 0.5 M concentration was added to a sample of 5.5 g of magnesia milk. This solution was titrated with 0.25 M NaOH. If 39.6 ml of NaOH were required to reach the endpoint, find the mass content of Mg(OH)2 in the magnesia milk.
Question- A particular monochromatic light source emits light with a frequency of 607 THz. What is the wavelength of the light emitted
If your front lawn is 24 ft wide and 20 ft long and each square foot of lawn accumulates 1450 new snow flakes every minute, how much snow (in kilograms) accumulates on your lawn per hour? assume an avg snow flake has a mass of 2.00 mg
Calculate the specific heat of the metal. (The specific heat of water is 4.184 J/g*C).
What are the important concepts and methods of sanitization and disinfection?
The delta H for the neutralization of NaOH with H2SO4 is -144kj/mol H2SO4. What is the maximum measured temperature in the styrofoam cup
What will be the volume of the balloon after half of the moles of helium leak out, it is warmed to 10 °C, and the pressure is lowered to 0.75 atm?
The activation energy for the reaction is 48.1kj/mol. What is the half-life (in hr) in the winter (10.0 C)?
The stereochemistry of the more highly substituted alkenes is difficult to define using the cis and trans designations. Therefore, a more systematic manner of indicating stereochemistry in these systems has been developed that uses an E and Z nome..
A voltaic cell is constructed with two silver-silver chloride electrodes, each of which is based on the following half-reaction:
Explain the purpose of adding 6 M HCl to the aqueous layer with sodium benzoate. Draw the reaction between sodium benzoate and HCl.
A 150.0 mL sample of a 1.50 M solution of CuSO4 is mixed with a 150.0 mL sample of 3.00 M KOH in a coffee cup calorimeter. The temperature of both solutions and the calorimeter was 25.2°C before mixing and 31.3°C after mixing.
How do you account for the trend of melting points in this series of acids? octanoic (caprylic) C8H16O2 at 17.5 degrees C, decanoic (capric) C10H20O2 at 31.5 degrees C, dodecanoic (lauric) C12H24O2 at 44 degrees C, tetradecanoic (myristic) C14H28O..
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