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 is a characteristic of colloids? are homogeneous mixtures have large dispersed particles will settle out over time are made up of at least two substances
Determine the number of outcomes in the event. Decide whether the event is a simple event or not. Upper A computer is used to select randomly a number between 1
The hypotenuse of a triangle is 19cm calculate the length of the shortest side
How many 3-digit numbers exist, whose digits are distinct even numbers.
Find the interquartile range (IQR) of the data in the dot plot below. 0,1,1,3,3,3,4,5,7
Physician's cost for a visit with flu-like symptoms (without insurance)
Help me with this I don’t understand
Let f be a function defined for t ≥ 0. Then the integral ℒ{f(t)} = [infinity] e−stf(t) dt 0 is said to be the Laplace transform of f, provided that the integral
Which shows a perfect square trinomial? 50 y squared minus 4 x squared 100 minus 36 x squared y squared 16 x squared + 24 x y + 9 y squared 49 x squared minus 7
What are the solutions of this quadratic equation? 4x2 + 3 = 4x + 2