Answers: 2
Chemistry, 22.06.2019 02:10
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
Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
Chemistry, 23.06.2019 01:10
A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .
Answers: 1
Is a humidifier putting moisture into the air a physical or chemical change and why?...
Physics, 13.11.2021 06:20
Physics, 13.11.2021 06:20
English, 13.11.2021 06:20
Biology, 13.11.2021 06:20
History, 13.11.2021 06:20
Biology, 13.11.2021 06:20
Mathematics, 13.11.2021 06:20
Mathematics, 13.11.2021 06:20
Social Studies, 13.11.2021 06:20
Business, 13.11.2021 06:20