B. alcohol
Hydroxyl group is an -OH branch
so,
R - OH is alcohol
Average kinetic energy of the particles in the object
Explanation:
so man climate change is because of global warming and 2 natural occurring is when earth tilts off the current axis and another one is because of seasonal change
hope it helps
Answer:
The first one is balanced. The second one is not.
Explanation:
The first one is balanced because there are the same amount of elements on the reactant side as there are on the product side. The second one is not balanced because there are not the same amount of elements on the reactant side as there are on the product side. Therefore, it is not balanced
More Detailed: first example
Reactant side (left of arrow)
H: 2
C: 1
O: 3
Product side (right of arrow)
H: 2
C: 1
O: 3
More detailed: second example
Reactant side:
Na: 1
O: 1
H: 1
C: 1
Product side:
Na: 2
O: 4
H: 2
C: 1
the variables needed to balance this equation is 2,1, 1, 1.
Answer: "Calculate the enthalpy of formation of butane, C4H10, using the balanced chemical equation and tables displaying information about enthalpy of formation/combustion. Write out the solution according to Hess's law." That's all I'm given. The key says that the answer is -125.4 kJ. C4H10 + 6.5 O2 = 4CO2 + 5 H20 The heat of combustion for one mole of butane is -2877 K. Heats of formation from table C02 = -393.5 Kj/mole, H20 (g) -241.8 Kj/mole. Heat of combustion of butane = sum heats of formation products minus heats of formation reactants -2877 Kj = 4(-393.5Kj) + 5(-241.8Kj) minus heat or enthalpy of formation butane.
The enthalpy formation oxygen an element is assigned a value of zero.
-2877 Kj = -1582 Kj + -1209 Kj minus X
-2877 = - 2791 Kj minus X
X = -86 Kj. The heats of formation for various compounds vary a little from table to table, so this does not quite agree with your answer.
This is just an example
