Chemistry, 07.04.2020 18:29, kenzielema12
1) Leia as frases a seguir, algumas vezes encontradas em estabelecimentos comerciais ou propagandas. Em seguida, aponte o equĂvoco dessas expressĂ”es. Perucas feitas de cabelo 100% natural, sem quĂmica. Piscina com ĂĄgua mineral corrente, sem quĂmica. Escova progressiva Ă base de queratina e proteĂnas do mel, sem quĂmicos.
Answers: 3
Chemistry, 22.06.2019 04:30, clairajogriggsk
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
Answers: 1
Chemistry, 22.06.2019 05:30, alexusnicole817
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
Answers: 2
Chemistry, 22.06.2019 08:30, jalst6084
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
1) Leia as frases a seguir, algumas vezes encontradas em estabelecimentos comerciais ou propagandas....
Biology, 13.12.2020 05:50
Mathematics, 13.12.2020 05:50
Chemistry, 13.12.2020 05:50
Physics, 13.12.2020 05:50
Business, 13.12.2020 05:50
Mathematics, 13.12.2020 05:50
Biology, 13.12.2020 05:50