What does multivalent mean?

An unknown solution has a ph of 8. How would you classify this solution? Acidic There is not enough information to answer the question Neutral Basic

A). How many mole of aluminum (Al) would need to react to produce 3 mole of iron (Fe) ?

cliff hanger smokes 1 pack of cigarettes per day. How many cigarettes will be smoke in 7 years of smoking at that rate? (1 pack = 20 cigarettes)

When water is heated, bubbles form in the water. Is this evidence of a chemical reaction? Why? Question 2 options: No, boiling water is a physical change. Yes, the formation of a gas is evidence of a chemical reaction.

How many identical double strands of DNA will be present after three rounds of replication? four six eight nine

The electron configuration of an element is 1s22s22p63s23p64s1. why is this a representative element?

Why is scientific notation important in chemistry?

During translation, the new polypeptides are often directed to specific parts of the cell by the presence or absence of short sequences of amino acids called signal sequences.

Is potassium iodide an electrolyte or nonelectrolyte?

Consider mixing 25.00 mL of 0.0200 M of each of the following of solutions. In which of the following will a precipitate form: Na2SO4 mixed with Ba (NO3) 2 NH4Cl mixed with Mg (NO3) 2 KF mixed with Ba (NO3) 2 MgCl2 mixed with Na2CO3