Chemistry, 26.08.2021 01:00 710jonathan
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1. An atom with a charge has the same number of protons and electrons.
2. An atom that has a different number of electrons and protons is called a(n) .
2. T or F? All atoms in an element contain an identical number of neutrons.
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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 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
Chemistry, 22.06.2019 13:30
Apush or pull that moves or changes and object when to objects touch
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Chemistry, 22.06.2019 14:00
650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
Answers: 2
PLEASE HELP. DUE TODAY
1. An atom with a charge has the same number of protons and electrons.
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