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Redox equations are what when the total increase in oxidation numbers equals the total decrease in oxidation numbers?
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What are the disadvantages to using equations?
Its harder to solve the equations with grande numbers
How do find percent increase and decrease?
How to find percentage? What if you need to calculate percentage increase, but not only by how much a number increased, but also the change in percentage increase between two numbers? The below online calculator will calculate percent increase, and it will also calculate percent decrease, and percent difference calculation as well --> the example will explain how it works.Math Example: How to calculate percentage increase, Decrease or Difference How to calculate percent increase between two numbers? To calculate percent difference, you need to follow these steps:1. Problem: You need to calculate percent % increase from 2 to 102. First Step: find the difference between two numbers, in this case, it's 10 - 2 = 83. Second: Take the difference, 8, and divide by the original number: 8/2 = 44. Lastly, multiply the number above by 100: 4*100 = 400%You're done! You calculated difference of a number in percent, and the answer is a percentage increase of 400%.
What is algebraic equations?
The collection of letters representing numbers
How are equations and expressions alike?
They are alike because the both have value, they both have variables, and both have numbers. there, happy?
Why is factoring a valuable tool for solving quadratic equations?
In some simple cases, factoring allows you to find solutions to a quadratic equations easily.Factoring works best when the solutions are integers or simple rational numbers. Factoring is useless if the solutions are irrational or complex numbers. With rational numbers which are relatively complicated (large numerators and denominators) factoring may not offer much of an advantage.
What is ionic?
Ionic equations are a special type of chemical equations that demonstrate the changes in oxidation numbers in particular ions.
What do you use oxidation numbers and their least common multiples to write?
They are used to write balanced chemical equations.
What does exponential mean?
Numbers that are raised to an exponent either increase or decrease at an extremely fast rate.
How do you find a percentage increase decrease between two numbers?
In order to find the percentage increase and decrease between to numbers are easy. All you have to is subtract the number you start out with to the number it becomes.
What are some ways to describe the relationship between sets of numbers?
by their increase or decrease
What is the difference between multiplying and dividing?
when multiplying the numbers increase unless it is multiplied by a decimal, it will then decrease. when dividing the numbers are divided (splitted) therefor it decreases unless it is divided by a decimal, it will then increase. Decrease means 'gets smaller or less' Increase means 'getting bigger or more'
What does exponentially?
Numbers that are raised to an exponent either increase or decrease at an extremely fast rate.
What is the oxidation numbers in PO34?
The oxidation numbers in PO43- , phosphorus oxidation number=+5; oxygen = -2
What is the sum of the oxidation numbers for P2O5?
There are two oxidation numbers. P shows +5 oxidation number.
Why is net ionic communicate more than chemical equations?
The net ionic equations only represent the substances that make a change in the oxidation numbers, whereas a chemical equation shows all substances even they do not differ during the reaction.
What is THE common oxidation number for tantalum?
It shows some oxidation numbers. Generally it shows +4 oxidation numbers.
What is the oxidation of lead and tin equations?
Tin and Lead are both metals with oxidation numbers of 2+ and 4+, so the two equations for Lead (Pb) are 2Pb + O2 ---> 2PbO and Pb + O2 ---> PbO2 The equations for Tin (Sn) look the same ... just substitute Sn where you see Pb.
