Calculate the number of kilojoules to warm 125 grams of iron from 23.5 degrees Celcius to 78 degrees Celcius

How do most fossils form? Be sure to explain your answer.

What do acids and bases have in common? A. They are both found in many foods. B. They are both commonly used as cleaners. C. They are both corrosive and can burn skin. D. They both have pH values lower than 7.

What is the first thing you notice about a person?.-_-

6 moles of gold contain how many atoms?

How was the work of Newlands similar to that of Mendeleev on the periodic table?

What is the mass (grams) of 9.89 * 10^24 moles of (cho30h) ?

Which of these elements is unlikely to have a reaction with any element or compound? rubidium (Rb) magnesium (Mg) cobalt (Co) argon (Ar)

Select the single best answer. which of these factors influence buffer capacity? conjugate acid-base pair concentration of buffer components buffer range ph of the buffer pka of the acid component

Oxygen (O) will have chemical properties most like: sulfur (S). nitrogen (N). hydrogen (H). fluorine (F).

List the five major pollutants in the United States