Ethanol has a heat capacity of 2.46 Jig "C. If 50 g of ethanol has a temperature of 30°C and a piece of hot Copper is added to the ethanol causing the temperature to increase to 70°C. What is the amount of heat absorbed by the ethanol?

A.)-49203
B.)49203

C.)3690
D.)3690 J

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.

True or false exosphere is the least dense