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An equilibrium mixture contains 0.450 mol of each of the products (carbon dioxide and hydrogen gas) and .200 mol of each of the reactants (carbon monoxide and water vapor) in a 1.00 L container.
CO(g) + H2O (g) (equilibrium to) CO2 (g) + H2 (g)
How many moles of carbon dioxide would have to be added at constant temperature and volume to increase the amount of carbon monoxide to .300 mol?
The density of lead is 11.4 g/cm3 at 25°C. Calculate the volume occupied by 25.0 g of lead.
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
Which of the following is an appropriate conversion factor to convert from feet to inches? Choose one: 1 inch / 12 feet 1 foot / 12 inches 12 inches / 1 foot 12 feet / 1 inch 1 inch / 2.54 cm
sulfur dioxide is an unwelcome result of burning soft coal in power plants. Some of the sulfur dioxide ends up as sulfuric acid ( H2SO4) in acid rain.
apply to NHCl3. A. polar bonds B. nonpolar molecule C. triangular-planar molecule shape D. sp2 hybirdized
A 0.90g sample of liquid water was introduced into an evacuated 2.00 L flask, which was then sealed and heated to 37 (degree)C. What percentage, by mass, of the water remained as liquid
Write a blance equation with Cu, NaI, I2, and a drop of acetic acid to form CuO and CuCO3.Cu(OH)2.
What is the specific heat of a substance that requires 124 J to raise temperature of 95.5 g from 20.0 degrees celsius to 25 degrees celsius?
What is the osmotic pressure of a solution made from dissolving 95.0 g of glucose, C_6H_{12}O_6, in 725 mL of water at 39.0 degrees C?
A 100.0-g sample of water at 27.0oC is poured into a 75.0-g sample of water at 89.0oC. What will be the final temperature of the water?
The discovery of hafnium, element number 72, provided a controversial episode in chemistry. G. Urbain, a French chemist, claimed in 1911 to have isolated an element number 72 from a sample of rare earth (elements 58-71) compounds. However, Niels B..
Draw a representation of the 3-D structure of the anion, including only the bonding-pair electrons, and any sulfur lone-pair electrons. What is the orientation of the oxygen atoms with respect to each other around the S?S bond?
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