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What else can I help you with?
What are the disadvantages to using equations?
Its harder to solve the equations with grande numbers
What is algebraic equations?
The collection of letters representing 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 2 numbers add up to 45 and multiply to -196?
To find two numbers that add up to 45 and multiply to -196, we can set up a system of equations. Let's call the two numbers x and y. We have the equations x + y = 45 and x * y = -196. By solving these equations simultaneously, we can find that the two numbers are 13 and -15, as 13 + (-15) = 45 and 13 * (-15) = -196.
What are the oxidation numbers of al and o in al3o3?
In aluminum oxide (Al₂O₃), the oxidation number of aluminum (Al) is +3, while the oxidation number of oxygen (O) is -2. Since there are two aluminum atoms contributing a total of +6 and three oxygen atoms contributing a total of -6, the compound is electrically neutral, confirming these oxidation states. Thus, the oxidation numbers are +3 for Al and -2 for O.
How can one determine redox reactions?
Redox reactions can be determined by looking for changes in oxidation numbers of elements involved in the reaction. Oxidation involves an increase in oxidation number, while reduction involves a decrease. If there is a change in oxidation numbers, it indicates a redox reaction.
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.
How does oxidation numbers determine the number of atoms?
Oxidation numbers indicate the charge of an atom in a compound. By comparing the oxidation numbers of different atoms in a compound and knowing their charges, you can determine the number of atoms involved in the reaction or compound. These numbers help balance chemical equations and determine the stoichiometry of a reaction.
What are numbers assigned to atoms and ions to keep track of electrons?
Numbers assigned to atoms and ions to keep track of electrons are called oxidation numbers. They represent the apparent charge of an atom or ion in a compound, assuming all shared electrons are assigned to the more electronegative atom. Oxidation numbers help in balancing chemical equations and predicting the behavior of substances in reactions.
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.
The change in the oxidation number of Mn is?
The change in oxidation number of Mn in a reaction is determined by the difference in oxidation numbers before and after the reaction. For example, in the reaction MnO2 → Mn2O3, the oxidation number changes from +4 to +3, resulting in a decrease of 1.
What role do oxidation numbers play in a chemical formulas?
Oxidation numbers are very important in much of chemistry because many times atoms do lose or gain electrons. When this happens, they become ions.However, oxidation numbers are especially important when writing chemical formulas for ionic compounds.
What are some ways to describe the relationship between sets of numbers?
by their increase or decrease
What do oxidation numbers tell us?
Oxidation numbers indicate the charge that an atom has when it gains or loses electrons in a compound or ion. They help determine how the electrons are distributed within a molecule and are useful in balancing chemical equations and predicting reaction outcomes.
What trend do the oxidation numbers in group A follow?
The oxidation numbers in group A elements typically increase by one as you move from left to right across the periodic table. For example, group 1 elements usually have an oxidation state of +1, while group 7 elements typically have an oxidation state of -1.
