What is the minimum number of joules of heat energy needed to change 100.0 grams of water to vapor at its normal boiling point

Which of the following are correct values for the ideal gas laws constant r

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root