1. Energy as particles can't move without kinetic (movement) energy
2. I think it's Diffusion and Active Transport
Answer is: <span>fewer drops of 6 M sulfuric acid, because concentration of H</span>⁺ is greater than in hydrochloric acid with same concentration.<span>
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Chemical dissociation of hydrochloric acid in water:
HCl(aq) → H⁺(aq) + Cl⁻(aq).
Chemical dissociation of sulfuric acid in water:
H₂SO₄(aq) → 2H⁺(aq) + SO₄²⁻(aq).
From chemical reaction: c(HCl) = c(H⁺) = 6 M.
c(H⁺) = 2c(H₂SO₄) = 2 · 6 M = 12 M; concentration of hydrogen cations.
Answer:
0.040M RbOH
Explanation:
The reaction of Rb with water is:
2Rb + 2H₂O → 2RbOH + H₂
As 2 moles of rubidium produce 2 moles of rubidium hydroxide, we need to find the moles of rubidium added. With these moles and the volume we can find molar concentration of RbOH as follows:
<em>Moles Rb = Moles RbOH -Molar mass Rb = 85.4678g)</em>
8.5g * (1mol / 85.4678g) = 0.099 moles RbOH
As 1dm³ = 1L, the volume in liters is 2.5L
That means molarity is:
0.099 moles RbOH / 2.5L =
<h3>0.040M RbOH</h3>
Couple of things:
1: only one type of bacteria was discovered metabolising sulphur, this does not necessarily mean that other bacteria, or indeed another organism can also metabolise sulphur. For his theory to be correct, many more and different types of organisms, metabolising sulphur needs to be discovered.
Secondly the use of the word diverse infers that more than just bacteria can metabolise sulphur. Bacteria are unicellular (single-celled) organisms, we therefore cannot say that multicellular organism can also do this, it could be specific to that one type of bacteria.
The basic unit of mass in the metric system is grams