Answer:
violet
Red has the longest wavelength and violet has the shortest wavelength. When all the waves are seen together, they make white light. Ultraviolet (UV) light—is radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 .
Explanation:
Answer:
iron
Explanation:
iron reacts with oxygen easily causing rust to form. the haemoglobin in your red blood cells contains haem which is iron and that's how your body transfers oxygen all over
Kinetic energy is proportional to the velocity squared, so increasing in velocity will have an exponentially greater affect on translational kinetic energy. if you doubled the mass of an object it will double only it’s kinetic energy, but doubling the velocity of the object will quadruple its velocity.
The limiting reactant is Cl₂ (chlorine).
Explanation:
We have the following chemical reaction:
2 Al (s) + 3 Cl₂ (g) → 2 AlCl₃ (s)
And we start with 2.7 g of Al and 3.12 g of Cl₂.
First we calculate the number of moles of each reactant.
number of moles = mass / molar weight
number of moles of Al = 2.7 / 27 = 0.1 moles
number of moles of Cl₂ = 3.12 / 71 = 0.044 moles
From the chemical reaction we see that 2 moles of Al are reacting with 3 moles of Cl₂ so 0.1 moles of Al are reacting with 0.15 moles of Cl₂ which is a quantity higher than our available one of 0.044 moles of Cl₂. The limiting reactant is Cl₂.
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