Chemistry, 20.11.2020 23:00 repirce4238
This is the structural formula for propane. You may use propane in your home for heating, cooking and/or hot water. What is the
ratio of carbon to hydrogen in one molecule of propane?
A) 2C:6H
B) 3C:6H
C) 3C:8H
D) 4C:8H
Answers: 3
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 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
Chemistry, 22.06.2019 21:00
Which property of water causes water drops to bead on a freshly waxed car?
Answers: 2
Chemistry, 23.06.2019 04:10
An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
Answers: 3
This is the structural formula for propane. You may use propane in your home for heating, cooking an...
Mathematics, 10.11.2020 06:50
Mathematics, 10.11.2020 06:50
English, 10.11.2020 06:50
Chemistry, 10.11.2020 06:50
Chemistry, 10.11.2020 06:50
Chemistry, 10.11.2020 06:50
History, 10.11.2020 06:50
Mathematics, 10.11.2020 06:50
Biology, 10.11.2020 06:50
Mathematics, 10.11.2020 06:50
Mathematics, 10.11.2020 06:50
Chemistry, 10.11.2020 06:50
Mathematics, 10.11.2020 06:50
Chemistry, 10.11.2020 06:50
Physics, 10.11.2020 06:50
Mathematics, 10.11.2020 06:50