Calculate the heat energy released of liquid mercury

Assignment Help Chemistry
Reference no: EM13719637

Question- Calculate the heat energy released when 19.5g of liquid mercury at 25.00C is converted to solid mercury at its melting point in kJ.

1) Constants for mercury at 1atm

2) Heat capacity of Hg(l) 28.0j/mol(k)

3) Melting point 234.32K

4) Enthalpy of fusion 2.29Kj/mol

Please give an idea about how you obtained the answer

Reference no: EM13719637

Questions Cloud

Define what is the density of the metal : A solid metal sphere has a radius of 3.62cm and a mass of 1.703kg. What is the density of the metal in g/cm3? (The volume of sphere is V=43?r3.)
Define what is the silver ion concentration in a solution : What is the silver ion concentration in a solution prepared by mixing 387 mL of 0.369 M silver nitrate with 421 mL of 0.564 M sodium phosphate? The Ksp of silver phosphate is 2.8* 10^18
Determine the test statistic and determine the p-value : Construct a 95% confidence interval for the mean number of hours the batteries will  last on these players - Determine the test statistic and determine the P-value
Define ammonia burns in oxygen gas to form nitric oxide : Ammonia burns in oxygen gas to form nitric oxide (NO) and water vapor. How many volumes of NO are obtained from 1 volume of ammonia at the same temperature and pressure
Calculate the heat energy released of liquid mercury : Calculate the heat energy released when 19.5g of liquid mercury at 25.00C is converted to solid mercury at its melting point in kJ.
How hydrogen''s does guanine predominantly have at the ph : The pKa of one of the hydrogen's that is attached to one of the nitrogen's of the purine guanine is 9.7. If guanine is in a solution that has a pH of 12.7, then how many carbons, nitrogen's, oxygen's, and hydrogen's does guanine predominantly have..
Define how many grams and what volume of nitrogen gas : How many grams and what volume of nitrogen gas will be formed using 81.4 mg of Copper (II) oxide at STP in the following reaction?
Describe a hydrogen atom starts in the fifth energy level : If an electron in a hydrogen atom starts in the fifth energy level then emits a photon of 433 nm light, to which energy level did it fall?
What is the chemical composition of the cloud : Describe your research about The Brown Cloud. Where is it located? What is the chemical composition of the cloud? How was/is it formed? What are the weather implications? How long will it last in the atmosphere? Are there any fixes for this Brown ..

Reviews

Write a Review

Chemistry Questions & Answers

  State enthalpy of vaporization for water

Given that the enthalpy of vaporization for water at its normal boiling point is 40.69 kJ/mol, calculate q, w, and delta U for vaporizing 5.00 mol at 100 degrees C in an open container at 1.00 atm.

  What is the molarity of a solution made by dissolving

What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water

  Determine the entropy of the system for the process

Assume that 120 grams of CH 3CH 2OH at 29 degree Celsius temperature is added with 250 grams of CH 3CH 2OH at 85 degree Celsius degree Celsius at constant pressure of atmosphere.

  What will be the final temperature of a mixture

What will be the final temperature of a mixture made from equal masses of water at 24.1 C, ethanol at 37.3 C, and iron at 93.3 C? The specific heat capacities of each are: 0.449J/g C (Fe), 4.18J/g C(Water), and 2.42 J/g C (ethanol).

  Explain a voltaic cell consists of a electrode

A voltaic cell consists of a Mn/Mn2+ electrode (E° = -1.18 V) and a Fe/Fe2+ electrode (E° = -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C.

  Explain a carbon atom in its ground state

Consider a carbon atom in its ground state. Would such an atom offer a satisfactory model for the carbon of methane? If not, why not

  Starting with an expression for ka derive

Starting with an expression for Ka derive the Henderson-Hasselbach equation. Utilized the reaction HA+H2O A- + H3O+ as an example.

  Explain shift to the right in the direction of products

What effect will increasing the temperature have on the system? Fe3O4(s) + CO(g) ?? 3 FeO(s) + CO2(g) DH°= +35.9 kJ A) No effect will be observed. B) The reaction will shift to the right in the direction of products.

  Compute the ph of the above solution of benzoic acid

Calculate the pH of the above solution if 1.00 moles of benzoic acid and .97 moles of Sodium Benzoate are added in enough water to make 750ml of solution

  Calculate the change in internal energy of the system

Calculate the work (in kJ) when 3.00 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K:

  At a given temperature the equilibrim constant for the

at a given temperature the equilibrim constant for the system studied in this experiment is 1.4e2. suppose 100.0ml of

  State the change in internal energy of the system

A reaction at 1.83 atm produces 11.9 L of a gas and evolves 91.3 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ).

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