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Limonene (MW 136) is a pleasant smelling liquid found in lemon and orange peels. The bp of limonene is 175, but it co-distills with water at 97.5. If the vapor pressure of water at 97.5 is 690 mm Hg, what percentage of the steam-distillate is limonene?
A metal object with a mass of 19g is heated to 96c, then transferred to a calorimeter containing 75g of water at 18c. The water and teh metal object reach a final temperature of 22c.
Calculate the concentration of OH- ion remaining in solution. Calculate the concentration of Sr+ ion remaining in solution. Calculate the concentration of NO3- ion remaining in solution.
What is the final Celsius temperature if 4.55 L of nitric oxide gas at 35°C is cooled until the volume reaches 1.00 L
fundamentals of chemistry.1. hydrogen bonding innbsp water contributes toa. a decreasednbsp boiling
How many atoms occupy 23 moles of oxygen gas? What conditions must be specified first to determine this?
A buffer solution consists of 0.100 mol of acetic acid (Pka=4.74) and 0.100 mol of sodium acetate in 1.00 L of aqueous solution . How much will the PH increase if 0.010 mol of NaOH is added to the solution
A compound of formula C6H10O2 shows only two absorptions in the 1H NMR spectrum: a singlet at 2.67 ppm and a singlet at 2.15 ppm. These absorptions have areas in the ratio 2:3. The IR spectrum shows a strong absorption at 1708 cm-1. Propose a stru..
An element has three naturally occurring isotopes, calculate the percent abundance and the atomic mass
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295 K, and the volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1mL atm K-1..
a sample of gas occupies 15.0 liters at 4.00 atmospheres and 300 k. what is the new volume of the gas if pressure is
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process.
research and discuss the rutherford experiment. please describe how it was performed and what was concluded from the
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