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lakkis [162]
2 years ago
6

Given the two half-reactions, what must be done in the next step before the reaction can be balanced? First: upper A u superscri

pt 3 plus right arrow upper A u. Second: upper I superscript minus right arrow Upper I subscript 2. Show the number of electrons being lost or gained. Make sure that the charges are balanced. List the atoms that need to be balanced.
Mathematics
1 answer:
kenny6666 [7]2 years ago
8 0

In the first reaction, Gold (Au) gets 3 electrons and became Gold. In the second reaction, Iodine (I) loses 2 electrons and became Iodine.

<h3>What are cations and anions?</h3>

When the atom loses the election then it is called a cation and when it gains the electron is called an anion.

Two reactions are given.

First reaction;

Au³⁺ + 3e⁻ ⇒ Au

In the first reaction, Gold (Au) gets 3 electrons and became Gold.

Second reaction;

2I⁻ ⇒ I₂ + 2e⁻

In the second reaction, Iodine (I) loses 2 electrons and became Iodine.

More about the cation and the anion link is given below.

brainly.com/question/1659592

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Ben, Cam, and Justin are lumberjacks. The number of trees they chop down is given by b + 2 c + 3 j b+2c+3jb, plus, 2, c, plus, 3
ladessa [460]

Consider the complete question is "Ben, Cam, and Justin are lumberjacks. The number of trees they chop down is given by b+2c+3j, where b is the number of hours Ben spends chopping, c is the number of hours Cam spends chopping, and j is the number of hours Justin spends chopping. How many trees do they chop down after Ben spends 8 hours chopping, Cam spends 3 hours chopping, and Justin spends 4 hours chopping?"

Given:

Total number of trees chopped by them = b+2c+3j

b = number of hours Ben spends chopping = 8

c = number of hours Cam spends chopping = 3

j = number of hours Justin spends chopping = 4

To find:

The numerical value of total number of trees chopped by them.

Solution:

Total number of trees chopped by them = b+2c+3j

Put b=8, c=3 and j=4 in the given expression.

Total=8+2(3)+3(4)

Total=8+6+12

Total=26

Therefore, total number of trees chopped by them is 26.

8 0
3 years ago
How do you convert an improper fraction to a mixed number?
zimovet [89]
So,
Lets say you have a improper fraction that you want to put into a mixed number.
 45
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  7
To put this into a mixed number, you divide the numerator by the denominator and put the remainder back into the numerator

45/7=6 R3

6 3/7 is the mixed number of 45/7.

Hope I helped!
5 0
3 years ago
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Find the value of a? Need help ASAP
Neko [114]
Is 9 an answer?
If it is I think 9
6 0
3 years ago
Write an algebraic Expression for three more cookies than are in the jar
miss Akunina [59]

Answer:

x+3

Step-by-step explanation:

You don't know how many cookies there are in a jar, therefore it is (x). You would add 3 to the jar.

8 0
3 years ago
Explain how to convert measurements in the metric system.
kherson [118]

Answer: You can use similar processes when converting from smaller to larger units. When converting a larger unit to a smaller one, you multiply; when you convert a smaller unit to a larger one, you divide.

Example look at the pic please 7,225 cm = ___ m

Meters is larger than centimeters, so you expect your answer to be less than 7,225.

Using the factor label method, write 7,225 cm as a fraction and use unit fractions to convert it to m.

Cancel similar units, multiply, and simplify.

Answer

7,225 centimeters = meters

Step-by-step explanation:

3 0
3 years ago
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