Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
An investigation to examine the chemical reactionsbetween
Member rating: No Rating | Words: | Submitted: Fri Mar 04 2005
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
An investigation to examine the chemical reactions between Sodium thiosulphate and Hydrochloric acid. Results Table 1: Concentration of Na2 S2 O3. (Molar) Starting Temperature. (Degrees Celsius) Time taken for solution to turn cloudy. (Secs) Average time taken. (Secs) Exp 1 Exp2 0.5 20 509 491 500 1.0 20 174 182 178 1.5 20 116 108 112 2.0 20 80 74 77 2.5 20 74 77 75.5 3.0 20 65 64 64.5 The above results table shows the time taken for the cross to disappear from under the conical flask. (Not visible to the naked eye) Results Table 2: This results table shows the time taken for the actual molecules to collide with one another and react. Concentration of Na2 S2 O3. (Molar). 1 x 10 000 average time (Secs ) 0.5 20 1.0 56 1.5 89 2.0 130 2.5 132 3.0 155 An investigation to examine the chemical reactions between Sodium thiosulphate and Hydrochloric acid. Introduction Hypothesis: 3.0m of Na2 S2 O3 will react faster than the 0.5m of Na2 S2 O3 with the hydrochloric acid I am carrying out an investigation to distinguish how long it takes for different strengths of Sodium thiosulphate (reactant 1) to react with an invariable strength of hydrochloric acid (reactant...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 147,309 others
Receive email updates for this category
- Simply tell us your email address and receive a weekly Study Help Email for FREE
- Receive 3 FREE essay views with each email
- Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk
