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

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

I need help please I can’t understand these problems.

w = x ÷ a - b solve for x (show work pls)

What kind of camera did Joseph Niepce develop in 1826? a. Portable b. Foldable c. Pocket d. Room Sized

Solve the following equation for X: 3+1/x

or a(3)[22]Question 3: The fence around the gardenMandla would like to erect a fence on all four sides of his new garden with an area of 225m²The fencing will c

is political leadership all about money ?

Mr. and Mrs. Simpson went to the movies. They bought some popcorn for $25.50, two boxes of candy for $18 and two drinks for $14.25. They gave the cashier some m

5. Match the proper anatomical tem column B) with the common name (column A) for the body re- gions listed below. Column A Column B 1. buttocks 2. back 3. shoul

what is m^2+3m when m=4. What is the answer to x?

The primary role of enzymes in living cells is to