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sertanlavr [38]
2 years ago
10

13. What is a chemical equation?

Chemistry
1 answer:
s2008m [1.1K]2 years ago
6 0

chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side with a plus sign between the entities in both the reactants and the products and an arrow that points towards the products, and shows the direction of the reaction.[1] The coefficients next to the symbols and formulae of entities are the absolute values of the stoichiometric numbers.

Explanation:

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Electron configurations are a shorthand form of an orbital diagram, describing which orbitals are occupied for a given element.
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Answer:

[Ar] 3d10 4s2 4p3 is shorthand, 1s22s22p63s23p63d104s24p3 long hang

Explanation:

The shorthand is made using the lowest & closest noble gas, and picking up where it leaves off as follows, and longhand is made from a followed pattern you can easily find

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Select the options that are properties of electromagnetic waves:
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Answer:

They propagate in materialistic media and non-materialistic media ( space ) .

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Explanation:

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4 0
3 years ago
If you have a truckload of icecream, a bucket of sauce, a box of peanuts but only 1 cherry, you can only make 1 complete sundae.
MAXImum [283]

Answer:

<em>Only 5 sundaes can be made</em>

<em>The limiting reagent is the peanuts.</em>

Explanation:

The complete question is

A perfect ice cream sundae requires exactly:

• 3 scoops of ice cream

• 2 squirts of chocolate sauce

• 1 spoon of peanuts

• 1 cherry

If you have 7 scoops of ice cream, 3 spoons of peanuts, 5 cherries and 11 squirts of sauce, you can only

make 2 complete sundaes. In this case, the icecream is the limiting reagent.

If you have a truckload of icecream, a bucket of sauce, a box of peanuts but only 1 cherry, you can only  make 1 complete sundae. In this case the cherry is the limiting reagent.  The limiting reagent is the term given to the ingredient (read: reactant) that has the (stoichiometrically) least  amount. The other reactants are said to be in excess. In a reaction the limiting reagent will be totally  consumed, and some of the reactant in excess will be leftover.

Critical thinking questions

1. If you have 20 scoops of ice cream, 14 squirts of chocolate sauce, 5 spoons of peanuts and 7 cherries,

how many sundaes can you make and which ingredient is the limiting reagent?

From the ingredients for a a complete sundae given above,

20 scoops of icecream will make 20/3 = 6.66 sundaes

14 squirts of chocolate sauce will make 14/2 = 7 sundaes

5 spoonful of peanuts will make 5/1 = 5 sundaes

7 cherries will make 7/1 = 7 sundaes

From the above, we can work out that only 5 sundaes can be made, and the limiting agent here is peanuts, which has the least amount of sundae that can be made from its available amount.

5 0
3 years ago
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