Compute the amount of heat needed to completely sublime

Assignment Help Chemistry
Reference no: EM13677164

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.

Reference no: EM13677164

Questions Cloud

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
Define what is the mass concentration of na+ : If the molar concentration of sodium carbonate (Na2CO3) is 2.5 mM millimolar, explain what is the mass concentration of Na2CO3 in mg/L? For the same molar concentration, define what is the mass concentration of Na+

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the collision of two structureless molecules

Check that in the collision of two structureless molecules the order of magnitude of the pre-exponential factor is of the same order as that predicted by collision theory. Go on to estimate the P factor for a reaction in which , and A and B are no..

  Define one mole of an ideal gas is contained in a cylinder

One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures

  Calculate the mass of a sample of gold

calculate the mass of a sample of gold that occupies 5.0 x 10 (exponent -3) cm cubed. the denisty of gold is 19.3 g/cm cubed.

  What is the percentage yield

When NH3 is prepared from 28 g N2 and excess H2 the theoretical yield of NH3 is 34 g. When this reaction is carried out in a given experiment, only 30. g is produced.

  What is the root-mean-square molecular speed of a gas

what is the root-mean-square molecular speed of a gas molecule of this smelly gas molecule at 25C?

  Explain the molar mass of kno3

How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction. The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) ? 2 K2O(s) + 2 N2(g) + 5 O2(g)

  Explain what is the ph at the first equivalent point

How many additional milliliters of titrant are needed to reach the first equivalence point of quinidine dihydrochloride. What is the pH at the first equivalent point

  Cnsider the titration of 1000 ml of 0100 m h2nnh2 kb 30

consider the titration of 100.0 ml of 0.100 m h2nnh2 kb 3.0 multiplied by 10-6 by 0.200 m hno3. calculate the ph of

  Explain how many moles will remain after 150 seconds

The reaction shown above has been determined to be first order with respect to N2O5. If 0.0250 moles of N2O5 are charged into a 2.00 L vessel, explain how many moles will remain after 150 seconds if the rate constant is 6.82 x 10-3 s-1 at 70 oC

  Explain the molar solubility of agoh in pure water

Compare the molar solubility of AgOH in pure water, with that in a solution buffered at pH 7.00. Note the difference between the two cases: when AgOH is dissolved in pure water, the pH does not remain at 7. The value of Ksp for AgOH is 1.5x10-8 at..

  Calculate the osmotic pressure in mm hg of 600 l of an

calculate the osmotic pressure in mm hg of 6.00 l of an aqueous 0.889 m solution at 30.degc if the solute concerned is

  Explain what is the cu2+ concentration

What is the Cu2+ concentration at 25*C in the cell Zn (s) I Zn2+ (1.0M) II Cu2+ (aq) I Cu(s)? The cell potential is 1.04 V. The standard cell potential is 1.10 V.

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