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

In the years 1840-1850, which Northeastern state had the largest white population? New York Pennsylvania New Jersey Massachusetts
The Pentagon Papers _____. revealed that government officials had misled Congress and the American people about the war discussed U.S. policy in Vietnam during
Which is a chemical change? water boiling wood burning glass breaking ice melting molding iron
a word for someone who is respectful level b unit 15
In which of the following places would you most likely experience the greatest level of political security? A. a multinational state B. a sovereign state C. a s
A sentence that contains both dependent and independent clauses is known as a(n) a. simple sentence. b. complex sentence. c. compound sentence. d. independe
15% 0f ______ is 12?
The end of the first world war resulted in ALL of the following EXCEPT: a. a more peaceful world b. harsh peace conditions c. a radicalization of political p
Which of the following is not an ultimate goal of science? a. Give explanations for natural events. b. Understand patterns . c. Make predictions. d. Produce
Does Wollstonecraft maintain an objective tone in the passage?