Assignment Document

Molar Enthalpy of Neutralisation Reaction

Pages: Showing 1 - 2 of 3

Solutions
Preview

Preview:

"Qa) Molar enthalpy of neutralisation reactionQb) The temperature of the reaction mixture in experiment increases as the acid (HCl) isadded until all the base (NaOH) has reacted and the reaction is said to complete, at thispointthe temperature remain..

Preview Container:

"Qa) Molar enthalpy of neutralisation reactionQb) The temperature of the reaction mixture in experiment increases as the acid (HCl) isadded until all the base (NaOH) has reacted and the reaction is said to complete, at thispointthe temperature remains constant even in addition of the acid (HCl)Qc) HCl+ NaOH =>NaCl + H O(aq) (aq) (aq) 2 (aq) Mole ratio of HCl :NaOH1 : 1 Note: the maximum volume HCl that reacted completely with NaOH from the graph = 10 mlMoles of HCl = molarity * volume (litres)=6M * 0.01 = 0.06 molMoles of NaOH = 0.06 molesVolume of NaOH = 200 mlMolarity = 0.06 moles/0.2 litres = 0.3 M T, oC 26 25.5 25 24.5 24 T, oC 23.5 23 22.5 22 0 2 4 6 8 10 12 14 Qd) ?H total mass * specific heat * change in temperature Total volume of HCl from graph + volume of NaOH3 = 10 ml + 200 ml = 210 ml = 210 cmMass = volume * density = 210 * 1 =210 go o ?T = 25.6 C – 22.4 C = 3.2 k?H= 210g * 4.2 j/g/k * 3.2k= 2822.4 J = 2.8224 kJ0.06 moles = 2.8224 kJ1.0 moles = ? = + 47.04 kJ/molThe reaction is exothermic Qe) assumption: it is assumed that the specific heat of the solution is the same as thespecific heat of water, and the water used in the experiment contains negligible impurities "

Related Documents

Start searching more documents, lectures and notes - A complete study guide!
More than 25,19,89,788+ documents are uploaded!

preview

Chemistry Part 2 assignment

preview

Radius of the Bohr Orbit

preview

Bromate formation during chlorination

preview

Molecular Structure and Chemical Forces.

preview

Molar Mass of the Alkaline Earth Carbonate

preview

Coke softens human bones and weakens the muscles in 3 ways:1.

preview

A pH sensor is used in order to monitor pH as titration

preview

A. Standardization of the sodium hydroxide solutioni. The

preview

makes H(2)CO(3). Soft-drink makers often add phosphoric

preview

INTRODUCTIONSoft drinks are one of the most recognized parts

preview

Evaluating the acidity content in various soft drinks and their relative damage on the human body

preview

Determination of Ka for a Weak Acid

preview

8. ConclusionsCompressive nature of Geopolymer bond is adequately

preview

7.Project Planning and Gantt chartBecause of a not unfortunate

preview

Sums Gravels square measure utilized as an unpleasant aggregate

preview

FLYASH-BASED GEOPOLYMER CONCRETE Geopolymer materials region

preview

Strength characteristics on fly ash Based geo-polymer concrete

preview

Chemical Bonding Questions and Exercise

preview

1. What are the factors influencing ionic bond formation?2.

preview

gives both bonding and anti-bonding orbitals, and the 2

Why US?

Because we aim to spread high-quality education or digital products, thus our services are used worldwide.
Few Reasons to Build Trust with Students.

128+

Countries

24x7

Hours of Working

89.2 %

Customer Retention

9521+

Experts Team

7+

Years of Business

9,67,789 +

Solved Problems

Search Solved Classroom Assignments & Textbook Solutions

A huge collection of quality study resources. More than 18,98,789 solved problems, classroom assignments, textbooks solutions.

Scroll to Top