A sample of 0.87g citric acid and 1.13g of sodium bicarbonate was added to 30mL deionised water in a coffee cup calorimeter with an initial temperature of 22 °C. After 3 mins, the temperature decreased to 18.3°C. 1. What is the change in temperature? K 2. Based on the temperature change, what type of reaction is it?
A sample of 0.87g citric acid and 1.13g of sodium bicarbonate was added to 30mL deionised water in a coffee cup calorimeter with an initial temperature of 22 °C. After 3 mins, the temperature decreased to 18.3°C. 1. What is the change in temperature? K 2. Based on the temperature change, what type of reaction is it?
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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.132QP
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Transcribed Image Text:A sample of 0.87g citric acid and 1.13g of sodium bicarbonate was added to 30mL deionised water in a coffee cup calorimeter with an initial temperature of 22 °C. After 3 mins,
the temperature decreased to 18.3°C.
1. What is the change in temperature?
K
2. Based on the temperature change, what type of reaction is it?
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