1pt The heaviest concentration of asteroids lies in a belt between

and

O A. Mars and Jupiter

OB. Venus and Earth

O C. Jupiter and Saturn

OD. Uranus and Neptune

E. Mercury and Venus

A piece of magnesium metal is heated in the presence of chlorine gas, and a reaction takes place. What compound will most likely be produced? A. Mg2C1 B. MgCl3 C. MgCl2 D. MgCI

In which of the following types of solution is the rate of dissociation equal to the rate of crystallization? Concentrated Supersaturated Unsaturated Saturated

How is each item classified on the pH scale? Column A 1. baking soda: pH 9.0 2. lemon juice: pH 2.3 3. ammonia: pH 11.5 4. tomatoes: pH 4.2 5. bananas: pH 5.0 6. pure water: pH 7.0/Column B A. acid B. base C. neutral

How many grams is 3.2 moles of water

Magnesium oxide added to water forms magnesium hydroxide

5. The element copper has naturally occurring isotopes with mass numbers of 63 and 65. The relative abundance and atomie masses are 69.2% and 30.8% respectively. Calculate the average atomic mass of copper,

Determine the hydroxide ion concentration in a solution that is 0.018 m naoh.

The pyruvate dehydrogenase complex converts pyruvate to acetyl coenzyme A, abbreviated acetyl CoA, which can then enter metabolic pathways such as the citric acid cycle.

When the moon is farthest from the sun and viewed from earth, the moon appears to be a ... ?

How much uranium was used in the first atomic bomb?