How many atoms of phosphorus are represented by one formula unit of calcium phosphate?

A. 3

B. 6

C. 9

D. 12

E. 18

N2 + 6e → 2N-3 The reaction above represents which of the following? a. Reduction b. Decomposition Oxidation d. Acid-Base Netralization

Homogeneous substances that are evenly mixed

A container with a fixed volume, filled with hydrogen gas at - 104c and 71.8 kPa is heated until the pressure reaches 225.9 kPa. What is the temperature of the hydrogen gas in degrees Celsius

Which of the following processes in the water cycle causes the formation of clouds

The process by which a solid becomes a liquid is a. freezing. c. condensation. b. melting. d. sublimation.

An average copper penny minted in the 1960s contained about 3.000 g of copper. how much chalcopyrite had be mined to produce 100 pennies?

Which pack has the greatest change in enthalpy, warm packs (such as hand warmers) or cold packs (such as an ice pack) ?

A gay cylinder what are the variables in gay-lussacs law

What is the cosmic address of earth in the cosmos?

What values do we plot on the y-axis of a graph