Chemistry, 18.09.2019 20:30 keepcalmands2930
Which of the following does not indicate a chemical change?
precipitate formation
crushing a solid into a powder
color change
gas evolution
Answers: 1
Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
Chemistry, 22.06.2019 22:30
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
Chemistry, 22.06.2019 23:00
What is the measured amount of a product obtained from a chemical reaction?
Answers: 1
Chemistry, 22.06.2019 23:00
Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?
Answers: 3
Which of the following does not indicate a chemical change?
precipitate formation
crush...
precipitate formation
crush...
Computers and Technology, 07.03.2020 05:44
Mathematics, 07.03.2020 05:44
Mathematics, 07.03.2020 05:44
Mathematics, 07.03.2020 05:44
Mathematics, 07.03.2020 05:44
Mathematics, 07.03.2020 05:45