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Which of the following is NOT an example of a chemical reaction?
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
Chemical substances often go through physical and chemical changes. Chemical changes are different from physical changes because chemical changes __________.
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
An investigator is performing a chemical reaction between potassium metal and chlorine gas to form potassium chloride. In this reaction, the reactant(s)
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
Heat and light are released during combustion. The release of heat and light is evidence that combustion is a
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
The formation of water from oxygen and hydrogen can be described in the following word equation: oxygen gas+ hydrogen gas → liquid water In this reaction, liquid water is the __________.
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
The best evidence for a chemical reaction occurring would be:
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
The following chemical equation describes the process of cellular respiration. C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(l) Which of the following is considered a reactant of cellular respiration?
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
Select the true statement:
ice turning into water
C6H12O6
product
have new molecules as products
are potassium metal and chlorine gas
The formation of new substances
chemical reaction
Bonds are broken and new bonds are formed during chemical reactions only.
Check it!