Sea water coastal lakes connected to the open sea by shallow restricted outlets are called

a. spits

b. tombolos

c. sea stacks

d. lagoons

Which is more prevalent in the food we eat: carbon-12 or carbon-14?

An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc nitrate and a silver cathode in contact with a 0.0042 M solution of silver (I) nitrate.

According to the law of conservation of matter, which chemical equation represents a possible chemical reaction? A. C + 2H2 CH4 B. 2H2 + O2 NH3 C. 2Al2O3 2Na2O D. N2 + 3H2 P4O10

Which of the following changes can alter the form of a substance but does not necessarily change it to the other substance? a. physical changes b. pressure changes c. phase changes d. all of the above

Which character is given by the angular momentum quantum number? a: orbital size b: orbital mass c: orbital shape d: orbital orientation

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work: W = Fd) 0.5 m 2 m 250 m 750 m'

Lead (ii) sulfide (pbs) has a ksp of 3.0 * 10-28. what is the concentration of lead (ii) ions in a saturated solution of pbs? 1.7 * 10-14m 1.5 * 10-14m 3.0 * 10-14m

A 2.17 gm sample barium reacted completely with water what is the equation for the reaction how many milliliters of dry H2 evoled at 21degree celcius and 748mm of Hg?

What does it mean for data to be continuous?

When an acid reacts with a base what compounds are formed? a. a salt only. b. water only. c. a salt and water. d. metal oxides only.?