Answer:
high
Explanation:
Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species in one region or ecosystem. Biodiversity refers to every living thing, including plants, bacteria, animals, and humans.
Answer: 6.56g
Explanation:
No of moles = mass given/molar mass
Molar mass of ch4
C is carbon which is 12
H is hydrogen which is 1
Molar mass= 12+4(1)
Molar mass= 16g/moles
No of moles given is 0.41moles
No of moles = mass given/molar mass
Mass given = molar mass × no of moles
Mass given = 16×0.41
Mass= 6.56g
Answer: False
Explanation: the masses of reactants are always the same as the products in order to conform to the law of conservation of mass.
Answer: 1618.8g of Zinc
Explanation:
We begin by writing a balanced chemical equation for the reaction.
Zn (s) + H2SO4 (aq) ----------> ZnSO4 (aq) + H2 (g)
Atomic mass of Zinc is 65.4g/mol
Molecular mass of hydrogen gas is 2.02 g/mol
Looking at the balanced equation;
2.02g is produced by 65.4g of Zn
50g would be produced by 65.4÷ 2.02 x 50 = 1618.8g of Zinc