How many moles are there in 135g of aluminum?

When the shift occurs in the earth's crust, what does the energy radiates us out as?

The atomic number of an element is by counting the number of in an atom

Where does the water enter the plant

Determine the density of CO2 gas at STP.

What pigments can you expect to find in the spinach? (Select all that apply.) a. Anthocyanins (blue) b. Carotenes (orange) c. Porphyrins (red or yellow) d. Pheophytin a & b (gray) e. Chlorophyll a & b (green or blue-green) f. Xanthophylls (yellow)

Type of ion formed by group 2A elements

Identify each energy exchange as heat or work. Drag the appropriate items to their respective bins. melted wax

23 Which term identifies a type of organic reaction? (1) deposition (3) esterification (2) distillation (4) sublimation

several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear is white. What process led to to this difference in fur color.

What will be the outcome of putting litmus paper into bleach? a. red paper turns blue, blue paper turns red b. red paper does not change, blue paper turns red c. red paper turns blue, blue paper does not change d.