Prepare 15mL of 50mg cefazolion from a stock 1g/5mL. How many milliter of diluent and stock solution will be needed?n

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!