Butane is a gaseous molecule which is part of the organic compounds called hydrocarbon,
<h3>What kind of molecule is butane?</h3>
Butane is a gaseous molecule which is generally called a hydrocarbon.
Hydrocarbons are composed of only carbon and hydrogen. They are of organic origin.
Butane is a low molecular weight hydrocarbon which is used as a fuel.
In conclusion, butane is a gaseous hydrocarbon,
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its exothermic. exothermic means the reaction gives out heat. [exo meaning outside and thermic meaning heat] because its a combustion reaction, fire is there meaning lots of heat.
endothermic means it takes in heat. a good example is ammonium and water (NH3 +H20)
<span>most chemical reaction are exothermic</span>
This problem is honestly, very easy. Just grab a periodic table and find the element in Group 1 and Period 7. But first, let's discuss how the elements are arranged systematically in a periodic table. There are a lot of scientists who contributed to it, but the most famous one is Dimitri Mendeleev. He arranged the elements according to their atomic number. The elements starts from 1 which is Hydrogen up to the heaviest known elements which is Oganesson with an atomic number of 118. As you can observe, there is a gap between groups 3 and 4. This is done so that the periodic table does not take too much space horizontally. Thus, they are just placed at the bottom. These elements are called lanthanides (upper row) and actinides (lower row). The rows in the periodic table are called groups, and the columns are called periods.
Now, the element at the lower left corner (Group 1, Period 7) is Francium, abbreviated as Fr. It has an atomic number of 87. Some elements are actually synthesized, but Francium is a naturally occurring radioactive element. It was discovered by Marguerite Perey in France.
By making c the subject of formula in the given equation, the value "c" is equal to c = (B - ad - r)/3.
<h3>What is an equation?</h3>
An equation can be defined as a mathematical expression which shows that two (2) or more thing are equal.
In this exercise, you're required to solve for c from the given mathematical expression (equation) by making it the subject of formula. This ultimately implies that, all the other variables would be defined in terms of c and they would all be on the same side of the "equal to" symbol.
Making c the subject of formula, we have:
B - ad = 3c + r
3c = B - ad - r
Dividing both sides by 3, we have:
3c/3 = (B - ad - r)/3
c = (B - ad - r)/3.
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Answer:
Decomposition Reaction
Explanation:
Ba(NO₃)₂(s) ⇒ BaO(s) + N₂(g) + 3 O₂(g)
Barium nitrate decomposes into the chemical species that were used to create it.