A balloon is placed in a freezer and left there for 20 minutes. When it is checked, the balloon has shrunk down and is much smaller than it was before. This is an example of which law? Charles' Law
Boyle's Law
Gay-Lussacs Law
Grant's Law

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?