Convert 7,442 fluid Ounces (oz) to liters (L) rounding to 4 sig figs

220.1(L) is your answer

Explanation:

220.1 litres

Explanation:

7442 ounces to litres is 220.0892.

Rounding it to 4 significant figures will make it 220.1

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