Answer : When ethylene is passed through alkaline KMnO4 solution 1, 2-Ethanediol is formed. The Purple color of KMnO4 decolorizes.
37Ca and 53Fe I believe ..
14 - 2nd one
15 - I do not know
16 - also do not know
Sorry
Since chlorine is more active than bromine, it will displace the bromine and combine with the sodium in a single-replacement reaction:
Cl2(g) + 2NaBr(aq) ↔ Br2(g) + 2NaCl(aq)
This is the balanced chemical equation
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Answer: The answer is blue, white, yellow-white, orange.
Explanation: These are the two basic reasons for different star colors:
Temperature – cooler stars are red, warmer ones are orange through yellow and white. The hottest stars shine with blue light
Age – As a star ages it produces different chemicals which burn at different temperatures. We can use a star’s color to show its relative age
