Answer:
Explanation:
Ok so an atom is each ball. So in the first one there are 5 balls. In the second one there are 4 and so on. A molecule contains more than two balls. So they are all molecules. For the counting reactants and products, count how many balls are to the left of the arrow which is your number of reactants and count the balls to the right to find the number of product atoms.
Answer:
I think its C a scientific journal article
Explanation:
Any kind of journal is considered a primary source because journals contain info that the original author wrote. Encyclopedias are considered teritary sources, but im not sure if that counts ...so id go with journals.
Answer:
The experimental density of carbon dioxide gas in molecules per meter cube:
Explanation:
The experimental density of carbon dioxide gas =
Number of molecules of 0.001773 g of carbon dioxide gas :N
Moles of carbon dioxide gas in 0.001773 g =
molecules
The experimental density of carbon dioxide gas in molecules per meter cube:
Answer:
sorry i'm not a scientist but i think it's C
Explanation:
sorry again if i get it wrong for u :(
Answer:
Explanation:
Molar mass of FeCl3 = 162.2 g/mol
1 mole FeCl3 -------------- 162.2 g
mole FeCl3 ---------------- 1.1 g
moles = 1.1 / 162.2
= 0.00678 moles