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Chemistry

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Cracking of the unbranched compound E, C6H14, produced the saturated compound F and an unsaturated compound G (Mr = 42). Identify these compounds and write an equation for the reaction.

Compound E is an unbranched alkane. The general formula of an alkane is C_nH_2n+2.Compound E is CH₃CH₂CH₂CH₂CH₂CH₃.Com...

Answered by Sophie K. • Chemistry tutor

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What is a bond?

Atoms can be modelled as point positive charges with clouds of electrons around them. When two atoms come together close enough, a region of higher electron density forms between the two atoms. This means...

Answered by Rokas E. • Chemistry tutor

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Name and explain briefly the main stages of mass spectroscopy.

Mass spectroscopy is a highly sensitive method of analysing samples of elements and determining the isotopes present and their relative amounts. We can break down the method into four major steps: (in ord...

Answered by Esther W. • Chemistry tutor

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What causes a chemical reaction to happen?

There are two aspects to this question: thermodynamics and kinetics.
It is a fundamental law that the entropy of the universe must increase for a process to be feasible. This implies that the Gibbs ...

Answered by Jacob L. • Chemistry tutor

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A buffer solution is made with a pH of 5.000. Solid sodium ethanoate, CH3COONa, is added to 400 cm^3 of 0.200 mol dm^–3 ethanoic acid (Ka = 1.75 × 10^–5 mol dm^–3). Calculate the mass of sodium acetate that must be dissolved in the acid to prepare this

There are three steps:
Calculate [CH₃COO^–] using the equation for K_aCalculate the moles of CH₃COO^– using the equation concentration = moles/volu...

Answered by Felix B. • Chemistry tutor

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