Why is it so important in an ideal simple experiment to change only one variable from trial to trial?

Metallic compounds countain?

Which organelle of a prokaryotic cell contains genetic information? cell membrane nucleoid nucleus ribosomes

What is ocean crust?!

Why does the ice melt when you hold it in your hand? A. Heat is transferred from your hand to the ice cube. B. Heat from the ice cube is transferred to your hand. C. The ice cube radiates heat to your hand. D.

The periodic table has undergone some changes since it was first introduced. List three ways the modern periodic table differs from the one first published by Mendeleev in 1869.

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?

Use the terms magnetic field and magnetic pole in a sentence

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.