Determine whether the stopcock should be completely open, partially open, or completely closed for each activity involved with titration. Close to the calculated equivalence point of a titration Choose... Filling the burette with titrant Choose... At the beginning of a titration Choose... Conditioning the burette with titrant Choose...

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

What is the most common form of matter in the universe