CH4+2O2–> CO2+2H2O
-count the number of atoms of each element on each side of the reaction arrow, there is 1 carbon,4 hydrogen, and 2 oxygen on the reactant side and 1 carbon, 2 hydrogen, and 3 oxygen on the product side.Then add coefficients so the number of atoms of each element is the same on both sides of the equation
There's 6 because it says CH(3)F which means theres three hydrogen atoms in one, which tells us there's six in two
A cube has a volume of 8.0 cm3 and a mass of 21.6 grams. ... using an electronic analytical balance. ... graduated cylinder ... The density of iron is 7.87 g/mL.
it is held every 4-5 years
Answer:
0.198kg
Explanation:
because,
1kg = 1000g
so
198g = 0.198g
divide it by 1000 to get kg
