Numbers in a chemical equation
(https://www.ontrack-media.net/chemistry/cm3l13image2.jpg)
1 point
1
Question 1
1.
What UNIT do we use to explain what the coefficients are?
2 points
2
Question 2
2.
Why is 2 always the subscript for hydrogen gas and oxygen gas?
Reaction types
1 point
1
Question 3
3.
Which basic reaction type is NOT shown here?
3 points
3
Question 4
4.
How many MOLES do you have if you have 24 grams of water?
Ferrous nitrate is also known as iron(II) nitrate
5 points
5
Question 5
5.
What is the molar mass of iron (II) nitrate? Use the periodic table to identify
the atomic mass of each atom and show how to find the number of grams in one
mole of iron (II) nitrate.
Combustion of cyclobutane
5 points
5
Question 6
6.
Balance the equation.
Barium sulfate reacts with sodium chloride by double displacement.
1 point
1
Question 7
7.
When two solutions are mixed and a cloudy substance forms, it is called a PRECIPITATE. Which substance is the precipitate in the reaction above?
