Urgent!
how does a model differ from a law or a theory?
a.
models are universal
c.
theories are only accurate under limited conditions
b.
models are for all situations
d.
models are only useful in limited situations

Why is the structure of molecule important to its function?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?