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Why don't Hydrocarbons and Water Molecules mix, and why might an emulsifier fix this?
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Explain how the different dyes in ink are separated by chromatography
16.4 g of Ca(OH)2 was reacted with HCl in a reaction. What was the expected mass of CaCl2, given the mass of the reactant Ca(OH)2 was 12.6 g? What is the percentage yield of the reaction? ( Give all answers to 3 significant figures)
In Stage 2 of a reaction, 40 kg of titanium chloride was added to 20 kg of sodium. The equation for the reaction is: TiCl4 + 4Na -> Ti +4NaCl Relative atomic masses (Ar): Na = 23 Cl = 35.5 Ti = 48 Explain why titanium chloride is the limiting reactant.
Please write the equation to form the compound Zinc Chloride?
Describe and explain the properties of graphene
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