H03202 depth in chemistry - Study guides, Class notes & Summaries

QUESTIONS AND ANSWERS

2024 OCR AS Level Chemistry A H032/02 Depth in chemistry Actual Mark Scheme and Question Paper Combined

QUESTIONS AND ANSWERS

OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged) (i) The uncertainty in each thermometer reading is ±0.5°C and the uncertainty in the measured volume of water is ±2cm3. Determine whether the temperature change or the measured volume of water has the greater percentage uncertainty - ANSpercentage uncertainty= (Absolute Uncertainty / Measured Value) x 100 uncertainty of measure volume of water= 2/200 x 100= 1 uncertainty of temp ris...

QUESTIONS AND ANSWERS

Actual 2024 OCR GCE Chemistry A H032/02: Depth in chemistry AS Level Merged Question Paper + Mark Scheme

Actual 2024 OCR GCE Chemistry A H032/02: Depth in chemistry AS Level Merged Question Paper + Mark Scheme

2 OCR 2023 1 This question is about titanium (atomic number 22) and its compounds. (a) Titanium exists as a mixture of five isotopes. A chemist analyses a sample of titanium using mass spectrometry. The results are shown in the table below. Isotope Abundance (%) 46Ti 8.30 47Ti 7.40 48Ti 73.70 49Ti 5.40 50Ti 5.20 (i) Calculate the relative atomic mass of titanium in the sample. Give your answer to 2 decimal places. relative atomic mass = ................................................

Actual 2024 OCR GCE Chemistry A H032/02: Depth in chemistry AS Level Merged Question Paper + Mark Scheme

OCR Chemistry A (AS) H032_02 Depth in chemistry June 2024