How many moles is 1.50 x 1023 molecules NH3?

Define oxidation and reduction in terms of electron transfer

Two plants are crossed to produce offspring. One parent plant has dark blue flowers, and the other parent plant has white flowers. Flower color in these plants is a codominant trait.

The particles ejected in volcanic eruption are called A) calderas B) volcanic stock C) laccoliths D) pyroclastic material

Group 1A elements (except for hydrogen) are known as the alkali metals. a. True b. False

Are pigs as smart as dogs? or are they smarter?

Which terms identify types of chemical reactions? (1) decomposition and : sublimation (2) decomposition and synthesis (3) deposition and sublimation (4) deposition and synthesis

What element behaves MOST like magnesium (Mg) ? A) S B) Si C) Sn D) Sr

It was determined through analysis that a compound, sodium carbonate with a molar mass of 263 g/mol contained 68.4% water. determine the toilet number of water molecules in this hydrate

Which 1.0 M solution has the lowest pH?

If the heat of fusion of water is 3.4 * 102 j/g, the amount of heat energy required to change 15.0 grams of ice at 0°c to 15.0 grams of water at 0°c is