Which shows the correct relationship?

A. E°cell > 0 = nonspontaneous reaction

B. E°cell > 0 = spontaneous reaction

C. E°cell = 0 = nonspontaneous reaction

D. E°cell < 0 = spontaneous reaction

Which of the following relates to an electrolyte? The dissociation of KOH into K + and OH - ions when added to water. Most salts as long as they are soluble in water (consult the solubility chart).

When two intermediate chemical equations are combined the same substance that appears in the same phase can be cancelled out, provide that?

How many moles are present in 0.23 kg of SO2

Which of the following elements is the smallest? A. Strontium (Sr) B. Calcium (Ca) C. Beryllium (Be) D. Magnesium (Mg)

A change in the identity of a nucleus due to a change in the number of protons is called

Rearrange in to a quadratic 5.333 = (0.6 + 2p) ² / (0.135 - p)

How hot would a 2.3 L balloon have to get to expand to a volume of 3.0 L? Assume the initial temperature of the balloon is 24 °C, and that the pressure inside the balloon remains constant. A. 3 K B. 42 K C. 128 K D. 390 K

Which pair of nitrogen bases will form a bond in a DNA molecule? a. cytosine and adenine b. adenine and thymine c. guanine and thymine d. thymine and cytosine

Most meteors that fall into the earths atmosphere burn up before reaching the ground. Why is this?

Imagine a chemist is in the lab and trying to make some chemical reactions happen. In one reaction she reacts chemicals in an exothermic reaction and there is an increase in entropy.