Identify the type of glycosidic linkage in the disaccharide. Two monosaccharides are linked by a glycosidic linkage. The hydroxyl group involved in the bond is below the anomeric carbon. The first carbon in the left monosaccharide and and the sixth carbon in the right monosaccharide are involved in the bond.

gas

explanation:

smoke is the matter of a gas

answer : third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol

explanation :

let us write down the given equations

equation 1 :

equation 2 :

equation 3 :

let us use hess's law to find out which 2 equations can be added to get the third equation.

let us reverse equation 2 and multiply it by 2. the new equation that we get is,

equation 4 :

let us add equation 1 & 4

the above equation is similar to equation 3 but has different value for dhrxn.

therefore third trial had the contaminated sample and the correct value for dhrxn should be 1000 kj/mol