How many molecules of ethanol are present

Assignment Help Chemistry
Reference no: EM13144557

How many molecules of ethanol C2H5OH are present in 135 g of ethanol? The density of ethanol is 0.789 g/cm3?

Reference no: EM13144557

Questions Cloud

Should axillar go ahead with the new conditioning shampoo : What is the net present value of this investment opportunity? Based on your answer to (a) above, should Axillar go ahead with the new conditioning shampoo?
Journal entries-cayuga meadows : Cayuga Meadows purchased 42,000 shares of common stock of Long Corporation as a long-term investment for $1,000,000. During the year, Long Corporation reported net income of $500,000 and paid dividends of $200,000.
Calculate p-value for population of subscribers to golf : The publisher selects a random sample of 200 subscribers and finds that 116 plan to renew their subscriptions. Use (a=0.01). p = the population of subscribers to Golf Illustrated who renew. Calculate the p-value.
Mathematical expressions and equations : Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper for..
How many molecules of ethanol are present : How many molecules of ethanol C2H5OH are present in 135 g of ethanol? The density of ethanol is 0.789 g/cm3?
Language of proposal : When proposing several alternatives, would you compare one solution to another within a proposal? Would this be beneficial? Why or why not?
How many grams of barium hydroxide will precipitate : Ba(OH)2 is dissolved in 100 grams of water at 90 degrees celsius until the sloution is saturated. If the solution is then cooled to 45 degrees celsius, how many grams of Ba(OH)2 will precipitate out of the solution?
Your situation : I like your introduction because I agree your situation and I can understand your situation. Also, your least favorite is support your body paragraph and your conclusion.
Write the formula for water potential : Write the formula for water potential, and give the name for each component. Using the appropriate term(s) in the formula, when will water will enter a cell or exit a cell?

Reviews

Write a Review

Chemistry Questions & Answers

  Compute how many mg of the compound p

Compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P

  Explain use ir tables to locate absorption bands

Use IR tables to locate absorption bands of the stretching frequencies of the alkyne C

  Explain a colorless liquid a was soluble in water and ether

A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees Celsius. It decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test

  What would be the volume of this gas

A sample of neon is collected at 2.7atm and 12.0C.It has a volume of 2.25L. what would be the volume of this gas at STP.

  Explain the least stable diene

The compound 2-methyl-1,4-pentadiene would be classified as what type of diene? Select the least stable diene listed below

  At what tempature should 0.5 moles of nitrogen be held

At what tempature should 0.5 moles of nitrogen be held to maintain a pressure of 125 kpa in a 1.0L closed sealed container

  How much heat is released

How much heat is released when 4.50 g of methane gas is burned in a constant-pressure system? CH4 (g) + 2O2(g) -> CO2 (g) + 2H2O(l) H=-890kJ

  A voltaic cell is constructed that uses reaction and operate

A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?

  Calculate the molar mass of the gas

Given mass of a gas 0.26g, pressure is 763mmHg and volume of 147mL.by using an ideal gas law calculate the molar mass of the gas

  What is the mass percent of mgco3·3h2o

A mixture of MgCO3 and MgCO3·3H2O has a mass of 3.057 g. After heating to drive off all the water the mass is 2.790 g. What is the mass percent of MgCO3·3H2O in the mixture.

  Calculate the change in internal energy for the gas

As gas expands from 1.00 L to 2.50 L against constant pressure of 820 torr. Calculate the change in internal energy for the gas, if 120 J of heat is transferred to the gas during the expansion.

  How much carbon-14 would remain after 4 half-lives

The half-life of carbon-14 is 5,730 years. If you started with 100.0 g of carbon-14, how much carbon-14 would remain after 4 half-lives.

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