Physics, 22.11.2020 20:20 adriannacomrosenbark
Another pure substance, compounds contain atoms from two or more elements chemically bonded,
When atoms bond, they cannot be separated physically. Compounds may have different properties than
the elements they're made of. Water, for example, is a compound formed from hydrogen and oxygen.
Water is a liquid at room temperature, while oxygen and hydrogen are both gases.
Which of the following best describes compounds?
A They can only be separated chemically.
B. They are always liquid at room
temperature.
C. They contain the atoms of just one element.
D. They have the same properties as their
elements.
Answers: 3
Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
Physics, 22.06.2019 09:00
Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
Physics, 22.06.2019 10:50
Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.
Answers: 1
Physics, 22.06.2019 15:00
Give an example in which the electrical energy changes to light energy
Answers: 1
Another pure substance, compounds contain atoms from two or more elements chemically bonded,
When a...
Advanced Placement (AP), 16.11.2020 21:30
Computers and Technology, 16.11.2020 21:30
Mathematics, 16.11.2020 21:30
Arts, 16.11.2020 21:40
Health, 16.11.2020 21:40
Mathematics, 16.11.2020 21:40
Mathematics, 16.11.2020 21:40
English, 16.11.2020 21:40