Author Question: The value of E for a system that performs 19 kJ of work on its surroundings and loses 9kJ of heat is ... (Read 16 times)

WWatsford · **on:** Aug 27, 2018

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