subject
Chemistry, 15.07.2020 04:01 haybaby312oxdjli

(Question 6 Essay Worth points) (07.05 HC) In an experiment, calcium carbonate reacted with different volumes of hydrochloric acid in water. One of the products formed during the experiment was carbon dioxide The time taken for 0.89 of carbon dioxide to form was recorded. A partial record of the experiment is shown. Flask Experimental Record Mass of Volume of Volume of Calcium Carbonate HCI Water Time: 4.09, 25, 11.2 seconds, 4.0, 20, 5 ml, 4.09, 15, 10 mL, 4.0, 10, 15. Why does the volume increase?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 14:20
Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) → 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) → 3 o2 (g) + b2h6 (g), δhoa = +2035 kj (b) 2 b (s) + 3 h2 (g) → b2h6 (g), δhob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) → h2o (l), δhoc = −285 kj (d) h2o (l) → h2o (g), δhod = +44 kj
Answers: 3
question
Chemistry, 21.06.2019 19:00
Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph
Answers: 2
question
Chemistry, 22.06.2019 10:00
Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size
Answers: 2
question
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
You know the right answer?
(Question 6 Essay Worth points) (07.05 HC) In an experiment, calcium carbonate reacted with differen...
Questions
question
Mathematics, 20.10.2019 11:10
question
Mathematics, 20.10.2019 11:10
question
Mathematics, 20.10.2019 11:10
question
Mathematics, 20.10.2019 11:10
question
Social Studies, 20.10.2019 11:10
Questions on the website: 13722362