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Answers: 2
Chemistry, 22.06.2019 09:00
What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable
Answers: 2
Chemistry, 22.06.2019 09:00
Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2
Answers: 1
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 14:10
Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
Answers: 1
Latent heat is the energy required for 1 kg of substance to change .
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Mathematics, 07.12.2019 15:31
Mathematics, 07.12.2019 15:31
Mathematics, 07.12.2019 15:31
Mathematics, 07.12.2019 15:31
Chemistry, 07.12.2019 15:31
History, 07.12.2019 15:31
Mathematics, 07.12.2019 15:31
History, 07.12.2019 15:31
Mathematics, 07.12.2019 15:31
Mathematics, 07.12.2019 15:31