Chemistry, 10.02.2021 23:50 bellsimps7179
A scientist combines 151 grams of potassium and 151 grams of chromium III sulfide, how many moles of chromium will be made?
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Chemistry, 21.06.2019 12:50
What is the specific heat of a substance that absorbs 2.5Ă10^3 joules of heat when a sample of 1.0 Ă10^4g of the substance increases in temperature from 10°c to 70°c?
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 â 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 â 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100â°c, how much steam at 100â°c is produced? show all calculations leading to an answer. 10. the freezing of water at 0â°c can be represented as follows: h2o (l) â h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 â 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
Chemistry, 22.06.2019 08:30
Which part of earthâs surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
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Chemistry, 22.06.2019 17:30
What type of organic molecule comprises the majority of a potato?
Answers: 1
A scientist combines 151 grams of potassium and 151 grams of chromium III sulfide, how many moles of...
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