If the mass of the roller coaster cart is 20,000 kg and it is moving toward location X at a velocity of 10 m/s, what is its kinetic energy?

What effect would an isotonic solution have on the egg?

7. Foam cup A has 36 mL of water that contain 2 moles of HCL at 20°C. Foam cup B has 36 mL of water that contain 2 moles NaOH of at 20°C. The contents of foam cup A are added to foam cup B and a chemical reaction occurs.

Ca+O2➡CaO what is the balance chemical equation

On the pH scale pure water has a pH of A. 0 B. 7 C. 14

Melting butter is a physical change. Which best describes what is happening? The butter changes into a different substance. The butter contains a new arrangement of atoms. The butter cannot turn into a solid again.

Explain why a balloon filled with O2 at room temperature collapses when cooled in liquid nitrogen where as balloon filled with He does not

Which mixture can be separated by using the equipment shown below?

El agua de Mar es una mezcla homogenea o disolucion Y El agua corriente Y El aire Y LA lejia Y Los refrescos con gas Y El suero fisiologico Y Las monedas Y LA leche Y LA gelatina Y Los productos de higiene Y El merengue

The component which dissolves in a solution is called the ...

If this fossil is 65 million years old, what could this fossil suggest about organisms alive today? A. If it is similar to any two modern species, it could be a common ancestor of these species. B.