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what is a chemical reaction of a rock
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∙ 10y ago
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Do chemical equations show summaries of physical change?
noo
Why do chemists sometimes include special symbols in chemical equations?
To show it is a solid or a liquid or a gas
What a short easy way to show a chemical reaction using symbols?
Writing a chemical reaction with symbols: Ex.: NaCl + AgNO3 = AgCl (s) + NaNO3 A mathematical (digital) system for the writing of chemical equations exist but it is rarely used.
Which of these changes show a chemical change?
all rocks are made of minerals
What is chemical equeation?
Chemical equations show what happens when a chemical change occurs. For example, in the combustion of Hydrogen(H2), water(H2O) is formed. The chemical equation for this reaction is: 2H2 + O2 -----> 2H2O This chemical equation shows that when H2 reacts with O2 , H2O is formed.
How do you show chemical reactions in writing?
chemical equations
What do chemical equations show about compounds and elements?
Chemical equations represent chemical composition of reactants and products and also how does the reaction occur.
What is a chemical equation balanced does it show?
Chemical equations are representative for chemical reactions.
Do chemical equations show summaries of physical change?
noo
Why do chemists sometimes include special symbols in chemical equations?
To show it is a solid or a liquid or a gas
How does chemical equations show a conservation of mass?
A properly written chemical equation will always show the same number of atoms of each elemental on each side, showing that no atoms are created or destroyed in the chemical reaction.
What a short easy way to show a chemical reaction using symbols?
Writing a chemical reaction with symbols: Ex.: NaCl + AgNO3 = AgCl (s) + NaNO3 A mathematical (digital) system for the writing of chemical equations exist but it is rarely used.
A chemical reaction that shows only the formulas but not the relative amounts of the reactants and products is an?
Skeleton equations do not show the relative amounts of reactants and products (are "unbalanced"). Balanced equations do show the relative amounts of the reactants and products.
What is the relationship between the chemical properties of a substances and the chemical changes of a substances?
The chemical properties of an object show what a chemical change did to that substance.
What is the relationship between the chemical property of a substance and the chemical changes of a substance?
The chemical properties of an object show what a chemical change did to that substance.
Why do scientists like to use chemical equations instead of word equations?
They are usually much easier to write, and they show what happens to the atoms. Also, it looks more official and scientific. (-:
Which of these changes show a chemical change?
all rocks are made of minerals
