Chemistry, 26.02.2020 05:51 Anikarenee
1. Using two to three sentences summarize what you investigated and observed in this lab. 2. Astronomers use a wide variety of technology to explore space and the electromagnetic spectrum; why do you believe it is essential to use many types of equipment when studying space? 3. If carbon was the most common element found in the moons and planets, what element is missing that would make them similar to Earth? Explain why. (Hint: Think about the carbon cycle.) 4. We know that the electromagnetic spectrum uses wavelengths and frequencies to determine a lot about outer space. How does it help us find out the make-up of stars? 5. Why might it be useful to determine the elements that a planet or moon is made up of?
Answers: 3
Chemistry, 22.06.2019 12:00
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
Chemistry, 22.06.2019 19:30
Describe the forces both attractive and repulsive that occur as two atoms move closer together.
Answers: 1
Chemistry, 23.06.2019 01:50
Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?
Answers: 1
1. Using two to three sentences summarize what you investigated and observed in this lab. 2. Astrono...
Computers and Technology, 02.12.2020 07:10
Mathematics, 02.12.2020 07:10
History, 02.12.2020 07:10
Health, 02.12.2020 07:10
Arts, 02.12.2020 07:10
Mathematics, 02.12.2020 07:10
Mathematics, 02.12.2020 07:10
History, 02.12.2020 07:10