The phase of the same is _ at 1 min. _ at 4 minutes, and _ at 22 minutes.

For the blanks use: Gas, Liquid, Solid, Gas/Solid, Gas/ Liquid, or Solid/ Liquid.

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ