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Why do chemists balance chemical equations?
being able to write a balanced equation for a reaction is very important. By balancing an equation we can tell how much material we will need to start with, what the likely products to form, and how much of these products will form
How does a chemical equation show the mass conservation?
ex: water. 2 hydrogen atoms plus 1 oxygen atom equal one molecule of water. However the process includes 2 molecules of oxygen, so there must be 4 molecules of hydrogen to illustrate the law of conservation of mass, therefore one chemical reaction creates 2 molecules of water. FORMULA: 2 0 + 4 H = H20, H20 (there are 2 oxygens and 4 hydrogens on each side of the equation)
How do you solve this titration question?
Titration equation can be solved by following the steps below: 1. write a well balanced equation. 2. Calculate number of moles of standard solution that is in the solution. 3. User molar relationship to convert moles of standard solution to that of unknown solution. 4. Find the number of moles of unknown solution.
How do you find the density of an unknown mineral?
massvolume
What is the balance of K Br2 2KBr?
You need to have values for K, Br2 and 2KBr in order to find out the balance. For example, if you had the values as H2 + O2 = H20 the balanced chemical equation would be 10 H2 = H20.
How do you solve a equation using unknown variables?
You don't use unknown variables to solve an equation. The purpose of solving an equation is to find the value of the variable so that it's no longer unknown.
How can you find a variable in math?
You find, or construct, an equation or set of equations which express the unknown variable in terms of other variables. Then you solve the equation(s), using algebra.You find, or construct, an equation or set of equations which express the unknown variable in terms of other variables. Then you solve the equation(s), using algebra.You find, or construct, an equation or set of equations which express the unknown variable in terms of other variables. Then you solve the equation(s), using algebra.You find, or construct, an equation or set of equations which express the unknown variable in terms of other variables. Then you solve the equation(s), using algebra.
What is the definition of solving a rational equation?
to find the unknown variables
Why do chemists balance chemical equations?
being able to write a balanced equation for a reaction is very important. By balancing an equation we can tell how much material we will need to start with, what the likely products to form, and how much of these products will form
How do you find atom in Chemical equation?
2NaN ---> 2Na + 3N2
What you learned about simultaneous equation?
They can be used to find two unknown values with two equations.
Steps of how to solve a system of equations by substitution?
Step one is by expressing one of the equation into one term that is taking one unknown in the form of other. Step two is replacing the unknown into equation 2. Step 3 is replacing the found unknown into one of initial equations to find the other unknown.
What is a balanced chemical reaction?
In a balanced chemical equation there should be the same amount of atoms present in the products as there were in the reactants and only whole molecules can be formed or used (no half molecules). For example... CH4 + 2O2 = Co2 + 2H2O. If you add up the various atoms in the reactants you find 1 x Carbon, 4 x Hydrogen and 4 x Oxygen. The products contain 1 x Carbon, 4 x Hydrogen and 4 x Oxygen. The equation is therefore balanced. You will note also that 2 molecules of O2 were used as reactants in order to produce complete molecules of products.
What does chemical reaction tell you?
A chemical equation is used in the means of writing out and describing a chemical reaction, such as the reactants and the substance that forms after the reaction (called the product)P.S: it took me a little to find out the question since i had it too. Some teachers decide to give out questions like these in attempt to get people to practice their research skills instead of just relying on a "magic book" for the answer.
How to Set up a linear system whose solution provides the unknown flow rates?
2. The accompanying figure shows known flow rates of hydrocarbons into and out of a network of pipes at an oil refinery. (a) Set up a linear system whose solution provides the unknown flow rates.Concept Review• Network• Branches• Nodes• Flow conservation• Electrical circuits: battery, resistor, poles (positive and negative), electrical potential, Ohm's law, Kirchhoff's current law, Kirchhoff's voltage law• Chemical equations: reactants, products, balanced equation • Interpolating polynomialSkills• Find the flow rates and directions of flow in branches of a network. • Find the amount of current flowing through parts of an electrical circuit. • Write a balanced chemical equation for a given chemical reaction. • Find an interpolating polynomial for a graph passing through a given collection of points.(b) Solve the system for the unknown flow rates. (c) Find the flow rates and directions of flow if and .
How do you find the base of a triangle if your only given the area and height?
the equation for a triangle is 1/2base*height knowing that it's a simple equation solving for a single unknown.
Whats n plus 28 mean?
N plus 28 is a math equation. N would stand for an unknown number. You would add 28 to this unknown to find the answer.
