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How much heat is liberated at constant pressure when 68.2mL of liquid benzene (C6H6, d=0.874g/mL) reacts with 54.2mL of 2.82M nitric acid?
Delta H°=-117.29kJ/mol
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
identify the following as elements or compounds a nh3 b n2 c co d co and e he. give the numbers of protons and
a 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 m naohaq. if the density of the vinegar solution is 1.00
A solution is made up using equal volumes of 2.0 M acetic acid (Ka= 1.8 x 10 to the power of negative 5) and 0.00050 M HCl.
What is the new boiling point of water if you add 188 grams of magnesium chloride to 1250 g of water.
Determine at what temperature should the reaction be run to get a seventy five conversion of carbon monoxide?
How is the concentration of Cl determined by mercuric nitrate? Is there a color change at various levels? (similar to the Cl test for swimming pools and you'd have to match a particular color to a particular concentration?)
Draw a structure of the species that is formed at the lower PH if the acid proton adds to the azo nitrogen atom adjacent to the aromaic ring containing the SO3- group. Why does the proton adds to this particular nitrogen when two other nitrogen at..
The heat produced from the reaction of 10.0 g of Al (as in part a) was used to heat 500 g of water. The initial temperature of the water was 23 celcius. What was the final temperature of the water. Would the water boil
The rate constant of a chemical reaction increased from 0.100s^-1 to 2.90s^-1 upon raising the temperature from 25.0 degree celcius to 43.0 degree celcius
the compound freon-12 (CCl2F2) is used as a coolant in refrigerators and air conditioners. It is produced through the following reaction: CCl4+SbF3-> CCl2F2+SbCl3. If 15.0 mole of freon-12 are to be produced, what mass of the carbon tetrachloride ..
If 138 mL of wet H2 is collected over water at 24°C and a barometric pressure of 748 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr at 24°C.)
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