Evidence of a chemical change includes?

If a drop of blood is 0.05 mL, how many drops of blood are in a blood collection tube that holds 8 mL?

3 ways atoms can become more stable?

Which of the following is a product formed when MgCO3 decomposes?

If 3.64g of sand is separated from 5.25g of a mixture of salt and sand what is the percentage of sand in the sample

Which of the following statements explains why ionic compounds are brittle? A) When a force is applied to the crystal, the weak electrostatic interactions cause opposite ions to attract and shatter the crystal lattice.

What is the empirical formula of a compound containing 24.56% potassium, 34.81% manganese, and 40.50% oxygen?

A body was found with no evidence of rigor.

What process makes volcanic mountains?

Why is there no change in the temperature when the process of melting takes place?

Summarize the acid-base behavior of the main-group metal and nonmetal oxides in water. How does oxide acidity in water change down a group and across a period?