Chemistry, 12.10.2020 21:01 pennyluvsu13
Arif has recently quit smoking. What benefit can he expect to occur within a few hours of quitting?
blood oxygen levels returned to normal
risk of heart disease cut in half
improved liver health
O reduced coughing and congestion
Answers: 2
Chemistry, 22.06.2019 00:00
Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
Answers: 1
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 ā 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 ā 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100ā°c, how much steam at 100ā°c is produced? show all calculations leading to an answer. 10. the freezing of water at 0ā°c can be represented as follows: h2o (l) ā h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 ā 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
Chemistry, 22.06.2019 20:00
If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?
Answers: 1
Chemistry, 23.06.2019 05:00
1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt
Answers: 2
Arif has recently quit smoking. What benefit can he expect to occur within a few hours of quitting?...
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