score k through 12

The half-life of 92 U 238 against alpha decay is 4.5 x 109 years. How many disintegrations per second occur in 1 g of 92 U 238 ? Suggested solution: Again, since one k mole of any isotope contains Avogadro's number of atoms, there fore 1 g of 92 U 238 contains Half ..

Calculation Of Dissociation Constant K - Degree of dissociation ( a ) at a particular concentration c is related to the dissociation constant (K..

Jerald scored 12 in English, 43 in Economics, and 52 in History. What was his total score in all the three subjects? => 107 or 91 or 127 or 117..

Standard Reduction Potentials at 298 K..

Find the interquartile range of these 11 scores: 10, 12, 12, 15, 16, 17, 18, 19, 21, 21, 22. => 13.5 or 9 or 6.5 or 20..

Scores in statistics obtained by students of a class are normally distributed. If 12.5% obtain 60% scores and above and 39% less than 30, then find the mean and the standard deviation of the scores. => 36.55, 20.98 or 35.89, 28.90 or 39.85, 29.80 or 35.88, 20..

The line plot represents the number of students who got different scores in a math quiz. What is the difference between the number of students who scored 15 points and those who scored 30 points? => 19 or 7 or 5 or 12..

The following are Brian's test scores. 12, 13, 16, 21, 23, 29, 31, 26, 42, 33, 47, and 43 Find his mean score. => 28 or 12 or 336 or 27.7..

The histogram shows the points scored by Rachel's friends in a game. What is the maximum score of her friends? => 5 or 14 or 10 or 12..

The line plot shows the points scored by students. How many students scored less than 22 points? => 7 or 12 or 4 or 10..