Chemistry, 08.11.2020 14:30 katielynfoot
When a hydrate of Na2CO3 is heated until all the water is removed, it losses 54.3% of its mass, determine the formula of the hydrate.
Answers: 2
Chemistry, 22.06.2019 08:30
7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
Chemistry, 22.06.2019 10:10
Stage in which a typical star has completely stopped fusion
Answers: 1
Chemistry, 22.06.2019 13:30
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
Answers: 1
Chemistry, 22.06.2019 17:00
Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
Answers: 1
When a hydrate of Na2CO3 is heated until all the water is removed, it losses 54.3% of its mass, dete...
History, 29.08.2019 20:10
English, 29.08.2019 20:10
History, 29.08.2019 20:10
Mathematics, 29.08.2019 20:10
Physics, 29.08.2019 20:10