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?

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

Building glycogen from glucose molecules is an example of

How does a noncompetitive inhibitor reduce an enzyme’s activity?