How many atoms of carbon (C) are in C6H12O6?
  • 3
  • 6
  • 12
  • 24
How many atoms are there TOTAL in:H2SO4
  • 6
  • 5
  • 7
  • 3
The red numbers in the image below represent ________
sc-6 sb-2-Balancing Equationsimg_no 146.jpg
  • subscripts
  • coefficients
  • I don't know, and don't want to try
  • None of the answers are correct
The blue numbers in the image below represent ________
sc-6 sb-2-Balancing Equationsimg_no 147.jpg
  • I don't know, and don't want to try
  • coefficients
  • subscripts
  • none of the answers are correct
The substances at the beginning of a chemical equation are called the ____
  • product
  • yield
  • chemical symbol
  • reactants
In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
  • Mg and O
  • MgO
  • Mg and MgO
  • O and MgO
How many O's are in Al₂(SO₄)₃
  • 4
  • 12
  • 7
  • 24
Number of H in 3(NH₄)₂CrO₄
  • 4
  • 2
  • 8
  • 24
What is the right part of a chemical equation called...H2 + O2 --> H2O
  • Reactants
  • Products
  • Yields
  • Chemical Equation
What is the arrow in a chemical equation...H2 + O2 --> H2O
  • Reactants
  • Products
  • Yields
  • Chemical Equation
Balance this equation...HgO --> 2Hg + O2
  • It is balanced 
  • 2HgO --> Hg + O2
  • 2HgO --> 2Hg + O2
  • I don't know...Oh well!
Balance this equation...Sb2S3 + O2 --> Sb + SO2
  • It is balanced
  • Sb2S3 + 3O2 --> 2Sb + 3SO2
  • Sb2S3 + O2 --> 2Sb + SO2
  • I don't know...Oh well!
Which of the following is an unbalanced equation?
  • CaCO3 --> CaO + CO2
  • PbO2 + 2H2-->2Pb + H2O
  • 2Na+ 2H2O-->2NaOH + H2
  • CS2 + 2O2 --> CO2 + 2SO2
When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
  • charge
  • subscript
  • random number
  • coefficient
Which of the following shows the correct way to balance the chemical equation?Fe + O2 -> Fe2O3
  • 4Fe + 3O2 -> 2Fe2O3
  • 2 Fe + 3O2 -> Fe2O6
  • 4 Fe + O6 -> 2Fe2O3
  • None of the options are correctly balanced.
Is this equation balanced?
sc-6 sb-2-Balancing Equationsimg_no 148.jpg
  • yes
  • no
  • Not enough information
A sealed test tube containing 8 grams of iron filings and 5 grams of sulfur is heated until the material in the test tube glows bright red.  What is the mass of products? 
  • Mass is less than 13 grams
  • Mass is equal to 13 grams
  • Mass is greater than 13 grams
  • Mass cannot be measured
Balance this equation: H2 + Cl2 ---> HCl
  • It is balanced.
  • H2 + Cl2 ---> 2HCl
  • 3H2 + Cl2 ---> 6HCl
  • H2 + 3Cl2 ---> 6HCl
Which number should go in the blank? Al(NO3)3 + _  NaOH -> Al(OH)3 + 3 NaNO3
  • 1
  • 2
  • 3
  • 0
Which number should go in the blank? Mn + _ HNO3 → Mn(NO3)2 + H2
  • 1
  • 2
  • 3
  • 0
Balancing this Equation, ____ Fe + ____ Cl2 → ____ FeCl3
  • 1, 2 → 2
  • 2, 2 → 2
  • 2, 3 → 2
  • 3, 3 → 2
Is this equation balanced?
sc-7 sb-5-Balancing Equationsimg_no 26.jpg
  • yes
  • no
  • Not enough information
The two sides of a chemical equation are called?
  • Reactants (left) and Products (right)
  • Ingredients (left) and Product (right)
  • Cations and Anions
  • Reactants (left) and Results (right)
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