Answer:
Some animals use echos for communication, Wolves listen to each others howls with echos to find each other if they ever get seperated.
Explanation:
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Answer:
% Fe= 63.9
Explanation:
The amount of iron that was titrated can be calculated as follows:
mol K₂Cr₂O₇ = 0.02120 L x 0.180 M = 3.82 x 10⁻³
mol Fe titrated = 3.78 mol Cr₂O₇²⁻ x 10⁻³ x 6 mol Fe²⁺/mol Cr₂O₇²⁻
= 2.29 x 10⁻²
mass Fe = 2.29 x 10⁻² mol Fe²⁺ x 55.845 g/mol Fe²⁺ = 1.28 g Fe
% Fe = 1.28 g Fe / 2.00 g steel x 100 g steel = 63.9 %
Ammonium iodide, or NH₄I, is a salt. Since all salts are strong electrolytes, when ammonium iodide is dissolved in water, it would dissociate into ammonium ions and iodide ions. Hence, the major species present would be: <em>NH₄⁺ and I⁻ ions</em>.
Answer:
The claim is: Therefore Mitosis requires less energy than sexual reproduction does.
Explanation:
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Find the slope at t = 40, points (0, 0.48) and (70, 0.24).
Slope= Δy= (0.24 – 0.48)=– 0.0034 M/s
Δx(70 – 0)
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(the negative represent direction so the answer is positive)</span>