*PLEASE HELP*
Your barbecue grill uses propane (C3Hg) to cook your food while butane (C4H10) is used in chemistry laboratories to perform experiments. Write an equation for hydrocarbon combustion for each of the gases and then balance.
Are these reactions endothermic or exothermic? How do you know?
Assume that the gases burn clean and completely, calculate the energy released by each in kJ/mole.
Calculate the energy released in kJ/g. Which gas is more efficient?
Be sure to show all of your work!
Answers: 1
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The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table? atom p has an estimated zeff of 7 and is therefore to the left of atom q, which has a zeff of 6. atom p has an estimated zeff of 7 and is therefore to the right of atom q, which has a zeff of 6. atom p has an estimated zeff of 5 and is therefore below atom q, which has a zeff of 4. atom p has an estimated zeff of 5 and is therefore above atom q, which has a zeff of 4.
Answers: 3
*PLEASE HELP*
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