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Chemistry
GCSE

What are the similarities and differences between atoms of the isotopes Cl-35 and Cl-37

The numbers 35 and 37 are the mass numbers for the two isotopes of chlorine. They both have the same atomic number(proton number) as they are the same element, hence they also have the same number of elec...

AB
Answered by Arunima B. Chemistry tutor
25511 Views

What are the 2 methods used to manufacture ethanol? What are the advantages and disadvantages of both?

The hydration of ethene: Ethene and steam are passed over a catalyst - concentrated phosphoric acid (H3PO4) - at 300OC and 60-70 atmospheres. This process is fast, continu...

JP
Answered by James P. Chemistry tutor
7940 Views

Sodium Hydroxide can react with sulfuric acid in an acid base reaction. Outline the equation for this reaction, name the product. Finally a titration reaction is conducted. Determine the mass of NaOH needed to neutralise 12.4cm^3 of 0.10moldm^-3 H2SO4.

The equation is outlined below:      2NaOH + H2SO4------->> Na2SO4 + 2H2OAs explained in the question this is an acid base reaction, where the ...

TM
Answered by Thomas M. Chemistry tutor
39928 Views

Describe the process of distillation

Distillation is the process of boiling and condensing a mixture of liquids in a closed system, allowing the products to escape. This can separate products because the one with the lower boiling point will...

JA
Answered by John A. Chemistry tutor
2728 Views

Explain why potassium is more reactive than sodium, giving the balanced chemical symbol equation for the reaction of potassium and water.

K + H2O --> KOH + H2Both potassium and sodium possess one electron in their outer shell. Both elements readily give up this unpaired electron and so for this reason are considere...

LF
Answered by Liam F. Chemistry tutor
51671 Views

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