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 expression is equivalent to this one?
school in the heat? lighter I mean.... but I aint the color of this background
can someone please identify one solution please?
Evaluate 3xy+w. If x=4, y=5 and w=-3 Help
pls help me with this asap i will mark brainliest
Someone Please help me
Student spend 5 minutes of every 60 minutes at school moving from class to class. Which fraction is equivalent to the number of minutes student spend moving fro
What is N + 9 = 27? I am confused
a customer has $12,000 of capital losses and $4,000 of capital gains in a tax year. On that year's tax return, the investor has a: A $3,000 capital loss deducti
Which expression is equivalent to the expression -3(4x - 2) - 2x ?