The percent by mass of bicarbonate () in a certain Alka-Seltzer product is percent. Calculate the volume of generated (in ) at and if a person were to accidentally ingest a tablet without following the instructions. (Hint: The reaction occurs between and acid in the stomach.) Be sure your answer has the correct number of significant digits.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

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