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Examen

Pearson Edexcel GCE AS Chemistry 8CH0 Paper 2 Organic and Physical Chemistry | Mark Scheme (Results) | Summer 2025 | Official MS PDF
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33

diciembre 2025

2025/2026

A+
Pearson Edexcel GCE AS Chemistry 8CH0 Paper 2 Organic and Physical Chemistry | Mark Scheme (Results) | Summer 2025 | Official MS PDF
andrewpeter
$8.49 Más información

Examen

AS Chemistry Paper 2 Specimen || A+ Guaranteed.
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6

febrero 2025

2024/2025

A+
The effect of gentle heat on maleic acid is shown below. A student predicted that the yield of this reaction would be greater than 80%. In an experiment,10.0 g of maleic acid were heated and 6.53 g of organic product were obtained. Is the student correct? Justify your answer with a calculation using these data correct answers Moles of maleic acid = 10.0/116.0 = 8.62 × 10-2 mass of organic product expected = (8.62 × 10-2 ) × 98.0 = 8.45 g % yield = 100 × 6.53/8.45 D state...
SirAnton
$11.19 Más información

Examen

MERGED QUESTION PAPER AND MARKING SCHEME AS CHEMISTRY Paper 2 Organic and Physical Chemistry 2024
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67

enero 2025

2024/2025

A+
AS CHEMISTRY Paper 2 Organic and Physical Chemistry Tuesday 21 May 2024 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer...
tivakiok
$11.99 Más información