A substance has a freezing point of -4 degrees Celsius ​

How manyatoms of mercury are in 1.4214e+1 ml sample

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line