Chemistry, 03.12.2021 14:00 pamelaacuna
HELP, HELP! WILL MARK BRAINLIEST
55 kernels of popcorn have a mass of 6.0 g before popping and 4.5 g after popping.
3.)Calculate the average mass of 1 kernel of unpopped popcorn.
4.) Calculate the average mass of water lost from 1 kernel of popped popcorn.
5.) How many water molecules are lost from an average kernel of popcorn? HELP PLEASE
Answers: 3
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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 β 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 β 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100β°c, how much steam at 100β°c is produced? show all calculations leading to an answer. 10. the freezing of water at 0β°c can be represented as follows: h2o (l) β h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 β 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
HELP, HELP! WILL MARK BRAINLIEST
55 kernels of popcorn have a mass of 6.0 g before popping and 4.5...
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