100 points answer hurry
which of these is a mixture?
a. carbon dioxide
b. calciu...
Chemistry, 20.09.2019 05:00 allisondelp6
100 points answer hurry
which of these is a mixture?
a. carbon dioxide
b. calcium
c. salt water
d. potassium
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 โ 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 โ 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100โฐc, how much steam at 100โฐc is produced? show all calculations leading to an answer. 10. the freezing of water at 0โฐc can be represented as follows: h2o (l) โ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 โ 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
Chemistry, 22.06.2019 19:00
Convert the temperature of dry ice, โ77 โc, into degrees fahrenheit and kelvin.
Answers: 2
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
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