Thank you, so when I did that I got -137kJ. so is their answer wrong or mine. They had 400kJ.
Hi, I am doing a practice test for my chemistry final and I do not understand one of the answer they gave for this thermochemical equation question. I do not understand how they got 400kJ. The question is: Butane has a deltaH of -2871 kJ/mol when it undergoes complete combusti...
What is a bias paragraph?
what is 18 percent of 240
the outer distance of a bicycle wheel is 95cm how many complete turns does the wheel make when the bicycle travels a distance of 350m?
What can be a good picture of a modern situation of the ninth station of the cross when jesus falls the third time?
Calculate amount of milliliters of 2.0 M HCl needed to neutralize 0.15 mol of NaOH
4th grade math
Cost + Mark-up = Price cost=$240, mark-up=.7S, price=S $240+.7S=S $240=.3S S=$800
It says the mark up is based on price not cost so i believe that Reiny's answer is wrong because her answer is based on cost not price.