Explain what is the value for deltas if 20g of a substance

Assignment Help Chemistry
Reference no: EM13237076

what is the value for deltaS if 20g of a substance (MW=78.0g/mol) is boiled at 50 degrees C

Reference no: EM13237076

Questions Cloud

What is the change in the period : A 0.740 m long brass pendulum experiences a 20.0°C temperature increase, Find the ratio of the change in period to the original period, What is the change in the period
Compute the ph of a formic acid solution : Calculate the pH of a formic acid solution that contains 1.39% formic acid by mass. (Assume a density of 1.01 for the solution.)
Analyze the business-level strategies for mac cosmectics : Analyze the business-level strategies for MAC Cosmectics to determine the business-level strategy you think is most important to the long-term success of the firm and whether or not you judge this to be a good choice.
How do you handle this as the sales leader : Scenario - You work for a manufacturing company that has an annual revenue of $50 million. Your organization has experienced a 2% increase in sales for the past 5 years, however, the market average for your industry is a 7-10% growth per year.
Explain what is the value for deltas if 20g of a substance : what is the value for deltaS if 20g of a substance (MW=78.0g/mol) is boiled at 50 degrees C
What can infer about elasticity of demand for taxicab rides : Taxicab fares in most cities are regulated. Several years ago taxicab drivers in Boston obtained permission to raise their fares 10 percent, and they anticipated that revenues would increase by about 10 percent as a result.
What is the equation for the wave : A wave has the following properties: amplitude = 0.208 m, period = 0.687 s, wave speed = 13.7 m/s. The wave is traveling in the -x direction
State what other oxidizing agents may be used to carry out : Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation
Calculate the average velocity : A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the number of moles of cl atoms

Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.

  How much natural gas will he need to burn

A cook wants to heat 1.75 of water from 26.0 to 100.0 If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn? Natural gas produces 49.3 of heat per gram.

  What is the value of ksp for pbf2

In a saturated solution of lead (II) fluoride the concentration of lead was measured to be .0021 M. What is the value of Ksp for PbF2?

  Compute the compostion of the exhaust gas on a wet basis

carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.

  Compute the work in joules

A mole of CH4 expands reversibly from 1 to 50 L at 25 degrees Celsius. Calculate the work in Joules assuming 1) the gas is ideal and 2) the gas obeys the van der Waals equation. For CH4 (g), a = 2.283 L^2 bar mol^-2 and b = 0.04278 L mol^-1

  Does that mean that because of argon has larger mass

The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..

  How to identify the gas

To identify a diatomic gas (X2), a researcher carried out the following experiement. She weighed an empty 4.2L bulb, then filled it with the gas at 1.30atm and 23.0C and weighted it again. The difference in mass was 6.3 g. Identify the gas

  How many moles of carbon dioxide will be formed

how many moles of carbon dioxide will be formed upon the complete reaction of 0.793 moles carbon monoxide with excess water?

  Determine the partial pressure of each produce

vessel is filled with .202 mol of NO and .202 mol of O3 at 366K. Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.

  Explain dfferent bond types of orbital overlap

Differentiate between the dfferent bond types of orbital overlap required to obtain a sigma bond and pi bonds

  What is the freezing-point depression of the solvent

A solution is made by dissolving 15.5 grams of glucose (C6H12O6) in 245 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?

  Explain what is the change in its molar gibbs

A sample of water vapour at 200 degrees C is compressed isothermally from 350 cm^3 to 120 cm^3. What is the change in its molar Gibbs

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