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Chemistry: Post your doubts here!

X is the oxide of a Period 3 element. X reacts with water to give an acidic solution. A solution is prepared by reacting 0.100g of X with excess water. This solution was neutralised by exactly 25.0cm3 of 0.100moldm–3 sodium hydroxide solution. What could be the identity of X? A. Al 2O3 B. MgO...
- studentagakhan
- Post #16,055
- Aug 31, 2016
- Forum: A-Levels
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Chemistry: Post your doubts here!

7. Use of the Data Booklet is relevant for this question. In an experiment, the burning of 1.45g (0.025mol) of propanone was used to heat 100g of water. The initial temperature of the water was 20.0°C and the final temperature of the water was 78.0°C. Which experimental value for the enthalpy...
- studentagakhan
- Post #16,054
- Aug 31, 2016
- Forum: A-Levels

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