Which statement about potential energy of the ball is true? - The ball’s potential energy at Point A and Point B is different

- The ball’s potential energy at Point B is 0

- The ball’s potential energy at Point A and Point B is the same.

-The ball’s potential energy at Point A is 0

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag