What phases are present when energy is removed

Assignment Help Chemistry
Reference no: EM13168350

Consider a 75.0g sample of H2O(g) at 125C. What phases are present when 215kJ of energy is removed from this sample?
specific heat capacities: ice: 2.03J/g C
liquid:4.2 J/g C
steam: 2.0 Jg C

Reference no: EM13168350

Questions Cloud

Major financial burden for the employer : "The ADA and the Rehabilitation Act obligate employers to reasonably accommodate qualified individuals with disabilities.Why or why not reasonable accommodation result in a major financial burden for the employer?
Implement a class called reversewords : Implement a class called ReverseWords that uses a stack to output a set of elements input by the user in reverse order.
Calculate the concentration : calculate the concentration in mol/L and mg/L of a solution prepared by adding 4.00 mL of a 8.26 x 10^-4M stock solution of Allura Red to a 100.00 mL volumetric flask and then filling to the mark with DI water.
Design a class box that defines a box on a floor : Design a class box that defines a box on a floor. A box has a number and an (a,b) location where a and b are numbers between -5, and 5.
What phases are present when energy is removed : Consider a 75.0g sample of H2O(g) at 125C. What phases are present when 215kJ of energy is removed from this sample?
Across the world-industrial history repeats itself : “Across the World, Industrial History Repeats Itself” There are many parallels between the industrialization of the United States after Reconstruction and the modernization of the American workforce in the last twenty to thirty (20-30) years as it tr..
What is the volume of water that was cooled : To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
Show work on the mineral greenockite is yellow sulfide : show work on the mineral greenockite is yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur. determine the empirical formula of greenockite.
Problems of an aging society : Discuss the impact of the problems of an aging society on our country.

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of are cah2 needed

How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?

  Calculate the molecular formula of the compound

The analysis of this compound shows that it contains 41.8 percent C, 4.7 percent H, 37.3 percent O, and 16.3 percent N. Calculate the molecular formula of the compound.

  What mass of magnesium will react

what mass of magnesium will react wait a 500.0mL container of oxygen at 150.0 degrees Celsius at 70.0 kPa?

  How many l of h2 gas (at stp) is produced

How many L of H2 gas (at STP) is produced from 470 mL of 0.36 M HCl and excess Zn? The reaction is: Zn + 2HCl = ZnCl2 + H2

  How many moles of nitrogen molecules are in the cylinder

If the volume of the cylinder is 5500 mL and the pressure of the N2 in it is 2.5 atm. (temperature is 25oC) a. How many moles of nitrogen molecules are in the cylinder

  Which of the following compounds is soluble in water

Which of the following compounds is soluble in water ? A) BaSO4

  How much heat is released by 6.60 g of propane

The combustion of one mole of propane, C3H8 (Molar mass 44 g mol-1) releases 2230 kJ. How much heat is released by 6.60 g of propane?

  Calculate the molar solubility of this compound

The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.

  Explain molecules of tetraphosphorus decaoxide

What is the mass of 8.00 1022 molecules of tetraphosphorus decaoxide? (b) How many P atoms are present in this sample?

  Calculate the work observed for the volume change

A sample of CO2 g in a piston at 7.5 atm and 1090. L is allowed to come to equilibrium against a constant external pressure of 8.3 atm at constant temperature. Calculate the work observed for the volume change in the piston (in kJ).

  Henderson-hasselbalch equation determine the pka for illinic

Using the Henderson-Hasselbalch equation determine the pKa for illinic acid from the following values: At pH 9.02, the concentration of illinic acid and its conjugate base

  Explain the observations aziridines

Explain the following observations. 1. Aziridines, compounds that contain nitrogen in a three-membered ring, undergo pyramidal inversion much more slowly than do other alkylamines.

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