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

Calculate the ratio of H+ ions to OH– ions at a pH = 6. Find the concentration of H+ ions to OH– ions listed in Table B of your Student Guide. Then divide the H
An astronaut who weighs 85 kilograms on earth weighs 14.2 kilograms on the moon. How much would a person weigh on the moon if they weigh 95 kilograms on Earth?
In peas, round seeds and purple flowers are dominant. If I cross a plant that has wrinkled seeds and white flowers to a plant that is homozygous for round seeds
What are two housing programs offered by the King County Housing Authority?​
If a bicyclist is traveling at a speed of 10 km/h, he will be late by 1 hour. If he will travel at a speed of 15 km/h, then he will arrive an hour early. How fa
1. The pressure is an automobile tire depends on the temperature of the air in the tire. For a specific tire, the air temperature is initially 25oC, and the pre
What can you add to your presentation from the insert ribbon toolbar
Strong conductivity of plasma allows it to act and react as ____ and ____ fields.
Find the slope between the points (10, -1) and (-8, 6) 5/2 −7/18 2/5 −18/7
How many copies of each chromosome are found in most animal cells? 2 1 3 4