How many neutrons does bromine have?

a. 10

b. 35

c. 45

d. 80

Calculate the equilibrium concentration of [N2][N2] if the initial concentrations are 2.25 MM N2N2 and 0.55 MM O2O2. (This N2/O2N2/O2 concentration ratio is the ratio found in air.)

What name is given to the bond between water molecules?

when the relative humidity is 100%, we say the air is (3 pts) a) saturated b) supercooled c) superheated d) very humid

What is the solution to the problem expressed to the correct number of significant figures? (102,900 : 12) + (170 * 1.27) = ? A. 8,790 B. 8,790.9 C. 8,791 D. 8,800

What evidence would support Maria's claim that the fossilized remains are that of a bird, class Aves, instead of a turtle, class Reptilia? A) the eggs B) a backbone C) a keeled sternum D) warm-bloodedness

Consider the polymerization of styrene in toluene at 60°C initiated by di-t-butylperoxide for a solution containing 0.04 mol of initiator and 2 mol of monomer per liter. The initial rates of initiation, Ri, and propagation, RP, are found to be 1.

Which of the dollowing isotopes have 8 neutrons in the nucleus? 0-15 0-17 C13 O C14

Click the DeltaH is an Extensive Property button within the activity, and analyze the relationship between the two reactions that are displayed.

The fundamental unit used to measure mass is?

What are some ways population size is limited within an ecosystem?