Record your work on paper.  You must submit your work to rec…

Record your work on paper.  You must submit your work to receive credit for this answer.  You will upload your work to the ‘Test 1 upload’ link after submitting the test. Ethylene glycol is a common automobile antifreeze with the chemical formula CH2(OH)CH2(OH).  It is water soluble and fairly non-volatile.  What mass of ethylene glycol must be added to 1.50L of water to raise the boiling point to 103.9C?

An arctic weather balloon  is filled with `vol` L of helium…

An arctic weather balloon  is filled with `vol` L of helium gas inside a prep shed. The temperature inside the shed is 11.°C. The balloon is then taken outside, where the temperature is −12.°C. Calculate the new volume of the balloon.  You may assume the pressure on the balloon stays constant at exactly 1atm. Be sure your answer has the correct number of significant digits.