What is true when a reaction has reached equilibrium?

A the reaction rate is equal in both directions

B The reaction has stopped

C the reaction is faster in the forward direction

D the reaction is faster in the reverse direction

What did Darwin observe about finches in the Galápagos Islands? a. Their feathers were adapted to match their environment. b. Their beaks were adaptations related to the foods the finches ate. c. They had identical phenotypes in all locations. d.

Systematic or Random Error? - This type of error affects overall accuracy but does not necessarily affect precision. This type of error affects precision but does not necessarily affect overall accuracy.

Describe how viruses multiply

How many photons are produced in a laser pulse of 0.862 J at 691 nm?

What are two ways in which fungi are beneficial? How can fungi be dangerous?

What is the total number of valence electrons in a germanium atom in the ground state? (1) 22 (3) 32 (2) 2 (4) 4

If a patient/'s blood pressure is 145 over 85 mmHg, what is it in atmospheres (atm) ?

Which of the following is nicknamed the "powerhouse" of the cell?

Which is a sign of a chemical change? Question 6 options: Paint on a freshly painted wall dries and is no longer sticky. Ice cream melts when left at room temperature. Vinegar is mixed with baking soda resulting in carbon dioxide bubbles.

What is the correct term for water Atom element product reactant