If you examine a rock sample and observe fossils in it, what type of rock does the sample represent?

A chemical system at equilibrium is referred to as dynamic because the A) rates of the forward and reverse reactions continue changing B) forward and reverse reactions continue reacting C) value of the equilibrium constant (K) changes D)

What does it mean for a hypothesis to be testable?

In order to make the halogen atom stable, by having a complete outer shell of electrons, what would be an easier solution compared to removing all of the valence electrons

The pH of 1M MOH solution which is only 10% dissociated.

What abiotic factor could be found in a forest habitat?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?

What element is used as a shield to protect people from radioactive substances?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays

A farmer uses water to irrigate his potato crops. Which roles of water does this examplify

How was helium first discovered?