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If a balloon has a volume of 1.20 L on a warm 32 ºC day, If the same balloon is placed in the freezer and cooled to -18 ºCm define what volume will it occupy?
How many milliliters of .200 m NaOH are needed to neutralize 100.ml of .100 m HCl
What maximum length of aluminum foil can be made from 1.10 kg of aluminum?
calculate the change in pH that occurs when 1.00 mmol of a strong acid is added to 100 mL of 0.0500 M HCl.
What is the vapor pressure at 75 degrees celcius of an aqueous solution prepared by the addition of 52.9 g of urea CO(NH2)2 to 178 g of water?
Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation
Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative abundance of 69.17%. Use the atomic weight of copper to determine the mass of the other copper isotope.
The value of the euro was recently $1.38 u.s. and the price of 1 liter of gasoline in france is 1.35 euro
Which of the above sets of quantum numbers could possibly describe an electron in the ground-state configurations of boron
A sample of oxygen collected over water at 22C and 762 torr. what is the partial pressure of the dry oxygen. Vapor pressure of water at 22C is 19.8 torr
To determine the concentration of X in an unknown solution, 1.00 mL of 8.01 mM S was added to 4.00 mL of the unknown X solution and the mixture was diluted to 10.0 mL
Provide the proper IUPAC name for the alkenes shown below. CH2=CHCH2CH2CH2CH3. Choose your answere from the following (a) A hex-1-ene (b) hex-2-ene (c) hex-3-ene
What is the molar mass of the gas in a glass bulb with a volume of 2.50 L at a temperature of 22 degrees C and a pressure of 110 mm Hg. The gas weighed 505 mg.
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