The minimum amount of energy that reactants must have to start a chemical reaction is called

Which of the following statements is true concerning a heating curve?

2. If you had three unknowns which are starch, BaSO4, and MgO, how can you identify starch among them?

The hydrostatic pressure that makes a diluted solution diffuse solvent molecules across a semipermeable membrane into a concentrated solution is known as A. osmotic pressure. B. ambient pressure. C. absorption pressure. D. adsorption pressure.

An elements atomic number is 32. How many protons would an atom of this element have?

Why does liquid water take the shape of a cup it is poured into, but solid ice cubes do not? A Because the molecules of liquid water are softer than the molecules of solid ice.

What does 54 in mn-54 represent

Valerie wants to examine the properties of a thick liquid but is finding it difficult to pour the liquid into a beaker. She needs to finish her investigation before the end of class.

What is the chemical name of baking soda

Breaking bonds requires what type of energy flow?

Why is it an advantage for the graduated cylinder to be shaped with a lip at the top