Think about the activities you have carried out over the last three days. Describe two activities that involved physical changes and two activities that involved chemical changes. Choose everyday activities. Do not use any activities you did in school as part of a science lab. How do you know which type of change was involved in each case?
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 14:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 3
Chemistry, 22.06.2019 17:00
Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
Answers: 1
Chemistry, 22.06.2019 22:30
Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2
Answers: 1
Chemistry, 22.06.2019 22:30
What relationship exists between an enzyme and a catalyst?
Answers: 1
You know the right answer?
Think about the activities you have carried out over the last three days. Describe two activities th...
Questions
Mathematics, 04.07.2019 05:00
Mathematics, 04.07.2019 05:00
Mathematics, 04.07.2019 05:00
Biology, 04.07.2019 05:00
Mathematics, 04.07.2019 05:00
History, 04.07.2019 05:00
History, 04.07.2019 05:00
History, 04.07.2019 05:00
Mathematics, 04.07.2019 05:00
English, 04.07.2019 05:00
