Chemistry, 12.02.2021 20:30, thawkins79
During an experiment a thermometer was placed in a beaker containing hydrogen peroxide. The following observations were recorded when yeast granules were
added to hydrogen peroxide.
Observation 1. Fizzing and bubbling took place
Observation 2. The temperature began to rise.
Based on the observation, justify the type of change (physical or chemical) that took place.
Answers: 1
Chemistry, 22.06.2019 02:10, vapelordcarl69
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
During an experiment a thermometer was placed in a beaker containing hydrogen peroxide. The followin...
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