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Samay_Nandwana.HW.11-28-17 Balancing Chemical Equations

Balancing Chemical Equations- Samay Nandwana
Across
Decomposition is when compounds break down into ______ products
You read the arrow as _______ or "reacts to form"
AFter you write the equation, the next step is to _______ the atoms
2 H2O2 --- 2 H2O + O2 is an example of:
Mg+O2 has ____ atoms, Write number in letters:
The Law of Conservation of Mass, states that during a chemical reaction, matter is not created or ______
A balanced chemical equation follows the _________________
Na+Cl gives you?
When elements trade places with the element in another compound, it is called a _______ replacement*
_____ is when two or more elements or compounds combine to make a more complex substance
In an _____ system, matter can enter from or escape to the surroundings.
The substances that are formed are the _____ of the equation
All chemical equations have a basic ____ that is followed
What is the coefficient when you balance out 2H2 + 02? Write out number in letters
Three types of chemical reactions are synthesis, decomposition , and _________
Down
On the right side of a chemical equation are ____________
In a chemical reaction, all of the atoms present at the ________ of the reaction are present at the end
A _______________ is a way to show a chemical reaction, using symbols instead of words
In a ______ system, matter does not enter or leave.
On the left side of a chemical equation are___
You can show how the ____ is conserved by balancing and using coefficients
What is the coefficient in NH3? Write out number in letters
A __________ is a number placed in front of a chemical formula in an equation
If an equation is balanced, mass is _________
IN a chemical reaction, substances may combine to make a more ____ substance
A demonstration drawing of a balanced chemical equation has?
N2 + 3H2 balanced gives you: Coefficients, elements, and subscripts each get their own box
The first step in balancing is to _______ the equation
_____?---- CaO + CO2 is an example of decomposition. Each part gets its own box