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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
Using the following balanced reaction , how many mol of water are formed if 5.20 mol of Fe (OH)3 react completely. 2Fe (OH)3 +3H2SO4 --> 6H2O +Fe2(SO4)3
An explosion breaks an object into two pieces, one of which has 1.48 times the mass of the other. How much kinetic energy did the heavier piece acquire
A gun is fired vertically into a m = 1.44 kg block of wood at rest on a thin horizontal sheet directly above it. How high from the sheet will the block rise into the air
Given the following balanced chemical equation, how many mol of NaN3 can be formed if 2.50 mol of Na are allowed to react with 4.50 mol of N2? 2Na +3N2 --> 2NaN3
For a safe re-entry into the Earth's atmosphere, the pilots of a space capsule had to reduce their speed from 2.76 E 4 m/s to 1.02 E 4 m/s. For how long did they have to fire their engine
If sample of sodium is dropped into a container of water the reaction is 2Na +2H2O ---> 2NaOH +H2. If 10.4 g of hydrogen are produced, how many g of NaOH are also formed