How many bonds does the alpha carbon form?

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years