State why is the micro boiling point determined at the point

Assignment Help Chemistry
Reference no: EM13265965

When measuring the boiling point of a compound, why is the micro boiling point determined at the point when the last bubble has left the bottom of the bell and the liquid begins to rise in the bell

Reference no: EM13265965

Questions Cloud

Calculate work required to apply force over given distance : Let's say that an object covers a distance of 3 m in 5 seconds under constant acceleration. Use kinematics equations and Newton's second law to calculate the following: a) the acceleration of the can, b) the net force on the can,
Compute the molar mass of the unknown substance : A 0.2436-g sample of an unknown substance was dissolved in 20.0 mL of cyclohexane. The density of cyclohexane is 0.779g/mL. The freezing-point depression was 2.5ºC. Calculate the molar mass of the unknown substance. (Kf cyclohexane = 20.0ºC/m)
Is the canadian dollar selling at a premium or a discount : Assuming purchasing power parity (PPP) holds, what is the cost in the U.S. of a Moosehead beer if the price in Canada is Can$2.50?
Understanding of academic research and writing : Write a complete essay draft that considers what the above goals are asking of you. We've already used class time to discuss what these goals
State why is the micro boiling point determined at the point : When measuring the boiling point of a compound, why is the micro boiling point determined at the point when the last bubble has left the bottom of the bell and the liquid begins to rise in the bell
What is the mass of the lead : A block of wood, with density 780 kg/m3 has a cubic shape with wides 0.330 m long. A rope of negligible mass is used to tie a piece of lead to the bottom of the wood. What is the mass of the lead
Determine how much are the springs compressed : After driving a portion of the route, the tap tap is fully loaded with a total of 24 people including the driver, with an average mass of 70kg per person. In addition, there are three 15kg- goats, five 3kg- chickens, and a total of 25kg of bananas..
What is the cross-rate in terms of yen per pound : Suppose the Japanese yen spot exchange rate is 118 yen = $1.00, and the British pound spot exchange rate is 1 pound = $1.81.
What current will pass through your body : If you touch the terminal of a battery, What current will pass through your body if you touch the two terminals of a 9.0 V battery with your two hands

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the concentration of cu2+ ion

Calculate the concentration of Cu2+ ion in this standard solution if the stock solution was 0.0200 M Cu2+.

  Explain what are the concentrations of pb2

A voltaic cell consists of Pb/Pb2+a half-cell and a Cu/Cu2+ half-cell at 25 . The initial concentrations of and are 5.10×10?2 and 1.60 , respectively. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.360 V?

  What is heat of vaporization of a liquid

what is heat of vaporization of a liquid that has a vapor pressure of 606 torr at 84 degrees celsius and a boiling point of 96.3 degrees celsius at 1 atm?

  What is the freezing point of solution

you dissolve 15.0g of sucrose C12H22O11 in a cup of water (225g) what is the freezing point of solution (kf of water is -1.86).

  Calculate kc for this equilibrium

Kp for the reaction of SO2(g) with O2 to produce SO3(g) is 3 × 1024 . Calculate Kc for this equilibrium at 25ºC. (The relevant reaction is 2SO2(g) + O2(g) 2SO3(g).)

  How much butane is present as a liquid

butane has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -.4 degrees Celsius. A 250 mL sealed flask contains .75 g of butane at -22 degrees C.

  Compute the mass percentage of sodium chloride

sodium chloride dissolved in 225 g of water has a density of 1.98g/ml. Calculate the mass percentage of sodium chloride

  Explain which element would be left partially unreacted

What is the maximum mass of ammonia that can be produced from a mixture of 155.3 g of N2 and 35.98 g of H2? 2. Which element would be left partially unreacted? (enter nitrogen or hydrogen)

  Explain magnesium oxide decomposes to form magnesium

magnesium oxide decomposes to form 7.29 of magnesium, what mass of oxygen gas is also released in the reaction?

  State what is the ph of a solution prepared by a weak base

What is the pH of a solution prepared by dissolving 11 mmol of a weak base in 350 mL of a 0.199-M solution of its conjugate acid

  Find out the relative wavelength

In the hydrogen atom, for which transition is the emission line observed at shorter wavelength, n=4 to n=2 or n=5 to n=1? Show the equation needed to figure this out. Consider the relative size of delta E to determine the relative wavelength.

  What is the empirical formula of the compound

Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd