Equivalence point - Study guides, Class notes & Summaries

NURS5366 Principles Of Research In Nursing. Question 1 5 / 5 pts A researcher is studying the effect of hypnosis on pain experienced during dental procedures. The researcher’s study has two groups: those who receive hypnosis during the procedure and those who receive no hypnosis. If the researcher plans to use a t-test for the statistical analysis, which would be the best way to measure pain for this study? numerical pain scale with a range from 0 to 100 patient report of presence or...

Statement Coverage - measures whether each executable statement is encountered. Decision Coverage - measures whether Boolean expressions tested in control structures (such as if-statements or while-statements) are evaluated to both true and false Condition Coverage - measures the true or false outcome of each Boolean subexpression Multiple Condition Coverage - measures whether every possible combination of Boolean subexpression occurs Path Coverage - measures whether each of the possible p...

Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? ANS -Polar substances - they will have a higher affinity for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? ANS -7 What type of bond is usually disrupted during denaturation of proteins? ANS -H bond Is uracil a purine or...

Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? ANS -Polar substances - they will have a higher affinity for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? ANS -7 What type of bond is usually disrupted during denaturation of proteins? ANS -H bond Is uracil a purine or...

CHEM 129 EXAM 3 Questions With 100% Correct Answers Acids and bases are usually demoted as strong or weak, what's the difference? - answer- Strong acids and bases - reaction with water is approximately 100% - Weak acids and bases - reaction with water is much less than 100% What does acid and base strength not dictate? - answerAcid or base strength is not a measure of concentration What are some examples of strong acids? - answerHNO3, HCl, H2SO4 and HClO4 are strong acids What are ele...

Statement Coverage - measures whether each executable statement is encountered. Decision Coverage - measures whether Boolean expressions tested in control structures (such as if-statements or while-statements) are evaluated to both true and false Condition Coverage - measures the true or false outcome of each Boolean subexpression Multiple Condition Coverage - measures whether every possible combination of Boolean subexpression occurs Path Coverage - measures whether each of the possible p...

C857 - WGU Software Quality Assurance 100% accurate Statement Coverage -ANSWER measures whether each executable statement is encountered. Decision Coverage -ANSWER measures whether Boolean expressions tested in control structures (such as if-statements or while-statements) are evaluated to both true and false Condition Coverage -ANSWER measures the true or false outcome of each Boolean subexpression Multiple Condition Coverage -ANSWER measures whether every possible combination of...

Auto Cad Final Exam Questions and Answers Already Passed From which reference point does AutoCAD begin to measure angles? The measurement of angles in AutoCAD starts from the 3 o'clock position. What does the acronym WCS represent in AutoCAD terminology? WCS stands for World Coordinate System. In 2D drafting within AutoCAD, which axis is typically not utilized? The Z-axis is not used when drawing in 2D. Is there an equivalence between 300 degrees and -60 degrees in AutoCAD? Y...

TBR Chemistry Ch. 5 Exam Questions & Answers 2024 Buffer - ANSWER-a solution where pH remains relatively constant after the addition of either strong acid or strong base. Can be made by combining a conjugate pair in roughly equal mole portions (must be weak acid/base pair). The addition of strong base or strong acid shifts teh ratio of weak acid (HA) to its conjugate base (A⁻), but the pH does not change, if the A⁻:HA ratio is close to 1.0 Can also be made by partially titrating a...

CHEM-C125 EXAM #3 QUESTIONS WITH CORRECT ANSWERS ten-fold difference in concentration of conjugate pairs - Answer- any pH change of 1 unit is a ... the choice of the system and thus the Ka. the ratio of the concentration of conjugate pairs. - Answer- what does the pH of a buffer depend upon? added strong acid or added strong base - Answer- buffering capacity: has the ability to absorb... need to prepare a buffer solution with a specific pH; assume [base] = [acid] - Answer- how to ch...