julesthecools
julesthecools julesthecools
  • 03-05-2017
  • Chemistry
contestada

Please answer the questions in the pic! 15 points!

Please answer the questions in the pic 15 points class=

Respuesta :

JavierCollante
JavierCollante JavierCollante
  • 04-05-2017
1. 80 Kj
2. 120-80= 40 Kj
3. 120-20= 100Kj
4. 20-80= -60Kj
5. +60 Kj
6. Exothermic because 4 is negative
Answer Link

Otras preguntas

Which of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Limited and res
which component is affected when a catalyst is added to a chemical reaction
Fidel Castro used the failed 1961 invasion of Cuba as an excuse to get more military equipment from the Soviet Union. This provided the basis for the next diplo
Which food item contains a lot of processed simple sugars? a. fruit b. cookie c. potato d. pasta
Which expression is equivalent to 9a + 12? 3 ( 3a +2) 3 (6a + 9) 3 (3a +4) 3 (6a + 3)
The main difference between a nation and state is that a nation is an example of an imagined political
why was the USS Maine sent to Cuba in 1898
Which of the following is believed to be a result of the conditions of the treaty of Versailles? a. the election of Winston Churchill in Great Britain b. The as
Which of the following is transferred in order for static electricity to occur? a. Nothing b. Neutrons c. Protons d. Electrons
Three of the following were true of the "Golden Age" of Spain during the 16th and early 17th centuries. Which was NOT? A. The Catholic Church was militantly su