Explain how much heat is absorbed when water boils

Assignment Help Chemistry
Reference no: EM13677165

State the heat of vaporization of water is 40.66 kJ/mol. Explain how much heat is absorbed when 1.98 g of water boils at atmospheric pressure?

Reference no: EM13677165

Questions Cloud

Explain why should apparatus always be clamped securely : Explain why should apparatus always be clamped securely to a metal ring stand before starting a chemical reaction
Explain what is the standard deviation : The subsequent four numbers are estimates of the mass of an object- 4.30 g, 5.82 g, 5.79 g, and 5.47 g. Explain what is the standard deviation to two significant figures
Illustrate every step of the mechanism : Illustrate a detailed, "curved arrow" mechanism for the acid-catalyzed acetylation of an alcohol (ROH) using acetic anhydride. Utilize H3O+ to represent the acid. Illustrate every step of the mechanism.
Explain what part of the rate law is temperature dependent : Explain how do reaction rates typically depend on temperature. Explain what part of the rate law is temperature dependent
Explain how much heat is absorbed when water boils : State the heat of vaporization of water is 40.66 kJ/mol. Explain how much heat is absorbed when 1.98 g of water boils at atmospheric pressure
Compute the amount of heat needed to completely sublime : Compute the amount of heat needed to completely sublime 96.0g of solid dry ice (CO2) at its sublimation temperature. If the heat of sublimation for carbon dioxide is 32.3 kJ/mol.
Explain hydrogen and oxygen react vigorously to form water : Hydrogen and oxygen react vigorously to form water. If 120 hydrogen molecules are reacted with 200 oxygen molecules in a closed container define how many hydrogen, oxygen and water molecules will remain after the reaction is complete
Compute the standard enthalpy of the c : Specified that the enthalpy of combustion of graphite is -393.5kJ/mol as well as that of diamond is -395.41 kJ/mol, compute the standard enthalpy of the C(s, graphite) àC s, diamond transition in kJ/mol. Use two significant figures as well as do n..
Compute the complete combustion of sucrose to carbon : Compute the work of expansion in Joules accompanying the complete combustion of 1.0 g of sucrose to carbon dioxide and (a) liquid water (b) water vapor at 20 degrees Celsius while the external pressure is 1.0 atm. Use two important figures

Reviews

Write a Review

Chemistry Questions & Answers

  What are the resonance structures and intermediates in the

what are the resonance structures and intermediates in the formation of bromoacetanilide from the reaction of

  Explain what ions atoms or molecules are present

What ions, atoms, or molecules are present after the following substances mix with water. (Do not forget solubility rules). a. LiOH b. O2 c. Mg(NO3)2

  Compute the equilibrium constant for the reaction

Calculate the equilibrium constant for the reaction. The standard enthalpy change delta H, for a strong acid-strong base reaction is -57.8k J. Determine the standard entropy change delta S for the reaction at 25 degrees C.

  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 the reaction of copper sulfide with oxygen gas

the reaction of copper(I) sulfide with oxygen gas as follows: Cu2(s) + O2(g) ? 2Cu(s) + SO2(g) If 0.330 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced

  Write the empirical formula and name of compound

For each of the following pairs of elements state whether the binary compound they form is likely to be ionic or covalent as well as write the empirical formula and name of compound

  What is the laboratory air pressure in atm

the air in the laboratory was measured with a barometer to be 7.20 x 10 squared mm Hg. what is the laboratory air pressure in atm.

  How many moles of dihydrogen phosphate ion

In an acid/base titration, knowing that it took 13.14 mili litres of 0.1016 M sodium hydroxide, NaOH to reach the first endpoint of the titration,) from this information, mols of Phosphoric acid present in the sample is 1.335 mols.

  Explain a change in the geometry occurs

When cobalt hexahydrate reacts with chloride to form cobalt chloride, a change in the geometry occurs about the cobalt center of each species. What is the change

  Sodium fluoride used to prevent caries

A toothpaste contains 0.24% by mass of sodium fluoride used to prevent caries (cavities) and 0.30% by mass of triclosan (C12H7Cl3O2). A PRESERVATIVE + ANTIGINVITIS AGENT.

  Explain the simplest explanation of why the 45kd

What is the simplest explanation of why the 45kD and the 90kD proteins copurified the column. What would be an alternative explanation

  Explain a reaction that establishes equillibrum

a reaction that establishes equillibrum with almost no reactants pressent will be one of the following. a) exergonic reaction b) has a negative G degree c) has a large keq d) all of the above

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