The value of E for a system that performs 19 kJ of work on its ...

[WWatsford]

The value of E for a system that performs 19 kJ of work on its surroundings and loses 9kJ of heat is ________ kJ.
 
  A) -28
  B) 28
  C) 171
  D) 10
  E) -10

Question 2

Xenon has been shown to form compounds only when it is combined with ________.
 
  A) something with a tremendous ability to remove electrons from other substances
  B) another noble gas
  C) something with a tremendous ability to donate electrons to other substances
  D) an alkali metal
  E) an alkaline earth metal

[soda0602]

Answer to Question 1

A

Answer to Question 2

A

[WWatsford]

TYSM

[kswal303]

Excellent