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Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added). The Ka for HOCl is 3.0 x 10-8 M.
What happens when the base solution was added to the acid solution but was not stirred while temperature measurements were made
A single loop of copper wire moves at an unknown constant speed v into a region of uniform magnetic field B = 5.00 T. Calculate the induced current in the copper wire loop
Two thin rods of length L are rotating with the same angular speed ? (in rad/s) about axes that pass perpendicularly through one end. Find the kinetic energies of rod A with its attached particle and
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted
The base solution was added to the acid solution but was not stirred while temperature measurements were made. Some of the base splashed out of the calorimeter while pouring
Why might a parent company like McDonalds or Hilton choose to franchise its local outlets rather than own them and staff them with employees?
The equation for the combustion of gaseous methanol is: 2CH3OH(g) + 3O2(g) ? 2CO2(g) + 4H2O(g) Estimate the ?H°rxn per mole of methanol combusted, using the bond energy data provided below
Someone's weight while standing on the Earth's surface is m x g, where g has the familiar surface value of 9.80 m/s^2. Find an algebraic epxression for your weight
Present a conflict situation from your own human service work that involves any number of parties, including yourself (you must be a part of the conflict/dilemma), the client, the family, the agency
what happens when the calorimeter cup has several milliliters of water in it when you added in the HCl
A sample of oxygen is collected over water at a total pressure of 616.8 mmHg at 30 deg Celsius. the vapor pressure of water at 30 deg celsius is 31.8 mmHg. What is the partial pressure of the O2
A vessel with a volume of 23.1 L contains 2.80 g of nitrogen gas, 0.403 g of hydrogen gas, and 79.9 g of argon gas. At 25 deg celsius, what is the pressure in the vessel
Two cars of equal mass collide at right angles to each other in an intersection. Which car had the greater velocity before the collision
A visual inspection of an insect with mass 0.4mg (milligrams) suggest that its uncertainty in postion is 0.5um, How fast could the insect be moving
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)
Given the following balanced chemical equation, if 345 g of I2 are formed, how many g of Cl2 had to react? 2 FeI2 + 3 Cl2 ? 2 FeCl3 + 2 I2
To the left of the lens is a cube having a face area of 100 cm2. Determine the area of the image
A 27.0 L sample of nitrogen at 7.85 atm and 27 deg Celsius is simultaneously expanded to 63.4 L and heated to 35 deg Celsius. What is the new pressure of the gas
A transparent cylinder of radius R = 2.00 m has a mirrored surface on its right half, Determine the index of refraction of the material
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
Consider a common mirage formed by super-heated air just above a roadway. A truck driver whose eyes are 2.00 m above the road, Find the index of refraction of the air just above the road surface
What is the annual percent yield per share?D0 = $3.82 and therefore D1 = $3.82 x 1.07 = 4.09.
You exert a force of 25 N on the head of a thumbtack. What is the pressure on your thumb
the electric flux is 300Nm^2/C through two opposing faces of a 2cm x 2cm x 2cm box. How much charge is inside the box