List some ways you can separate a mixture into different substances? example: i have a bag of iron filings and sand how do i separate them?

A solid mixture consists of 44.2g of KNO3 (potassium nitrate) and 7.8g of K2SO4 (potassium sulfate). The mixture is added to 130. g of water.

What kind of material was able to survive near the Sun during the development of the solar system? a. Rocky matter c. Organic matter b. Plasma d. Carbon

Match these items. 1. first nuclear reactor fission 2. neutron 3. decaying nuclei curie 4. number of neutrons and protons Fermi 5. builds heavier elements atomic mass 6. discovered radioactivity fusion 7. unit of radiation Becquerel

What fraction of atoms in morphine is accounted for by carbon?

What is the average velocity from 0 seconds to 8 seconds?

Nuclear fusion is the source of energy for stars. Besides hydrogen, which other element is most likely also common in stars?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity

How can a neutral atom become a positively-charged particle?

The last column of the periodic table contains the noble gases, elements that do not easily form chemical bonds.