AQA A Level Chemistry Paper 1 Question Paper 2022 Practice Paper 1 - - - 1 In this question, give all values of pH to 2 decimal places. (a) The ionic product of water has the symbol Kw (i) Wr... ite an expression for the ionic product of water. __________________________________________________________ (1) (ii) At 42°C, the value of Kw is 3.46 × 10−14 mol2 dm−6. Calculate the pH of pure water at this temperature (to 2 decimal places). __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ (2) (iii) At 75 °C, a 0.0470 mol dm–3 solution of sodium hydroxide has a pH of 11.36. Calculate a value for Kw at this temperature. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ (2) A-LEVEL CHEMISTRY Name: Practice Paper 1 Maximum marks: 105 Time allowed: 2 hours These questions are from past papers covering topics and skills based on the advance information to help you prepare for the exams this summer. Answer all questions in the spaces provided. You will need the Periodic Table/Data Booklet This document is licensed to Haggerston School - MB260045Page 2 (b) Methanoic acid (HCOOH) slightly dissociates in aqueous solution. (i) Write an equation for this dissociation. __________________________________________________________ (1) (ii) Write an expression for the acid dissociation constant Ka for methanoic acid. __________________________________________________________ __________________________________________________________ (1) (iii) The value of Ka for methanoic acid is 1.78 × 10−4 mol dm−3 at 25 °C. Calculate the p - - - [Show More]
Last updated: 1 year ago
Preview 1 out of 17 pages
AQA_A Level Chemistry Paper 1_Question Paper 2022 | Practice Paper 1 AQA_A Level Chemistry Paper 1_Mark Scheme 2022 | Practice Paper 1
By A-Level Guru 1 year ago
$11.5
2
AQA_A Level Chemistry Paper 1_Question Paper & Mark Scheme_2022 | Practice Paper 1 AQA_A Level Chemistry Paper 2_Question Paper & Mark Scheme_2022 | Practice Paper 2 AQA_A Level Chemistry Paper 3_Qu...
By A-Level Guru 1 year ago
$24.5
6
Geography> AQA > AQA_GCSE Geography Paper 1_Mark Scheme 2022 | Practice Paper 1 Living with the Physical Environment (All)
AQA GCSE Geography Paper 1_Mark Scheme 2022 Practice Paper 1 Living with the Physical Environment - - - - Question 1 The challenge of natural hazards 1.1 What is a plate margin? A plate marg...
By A-Level Guru , Uploaded: Jun 03, 2022
$7.5
Chemistry> AQA > AQA_GCSE Trilogy Chemistry 2H_Question Paper 2022 | Practice Paper 2 Higher (All)
AQA_GCSE Trilogy Chemistry 2H_Question Paper 2022 | Practice Paper 2 Higher - - - GCSE COMBINED SCIENCE CHEMISTRY: Practice Paper 2 Higher - - - 1 Scientists have suggested that: • the Eart...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Chemistry> AQA > AQA_GCSE Trilogy Chemistry 1H_Mark Scheme 2022 | Practice Paper 1 Higher (All)
AQA_GCSE Trilogy Chemistry 1H_Mark Scheme 2022 | Practice Paper 1 Higher - - - -GCSE COMBINED SCIENCE CHEMISTRY MARK SCHEME Practice Paper 1 Higher - - - 1 (a) sodium fluoride 1 (b) electro...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Chemistry> AQA > AQA_GCSE Trilogy Chemistry 1H_Question Paper 2022 | Practice Paper 1 Higher (All)
AQA_GCSE Trilogy Chemistry 1H_Question Paper 2022 | Practice Paper 1 Higher - - - GCSE COMBINED SCIENCE CHEMISTRY Practice Paper 1 Higher - - - 1 A sodium atom and a fluorine atom react to...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Biology> AQA > AQA_GCSE Trilogy Biology 2H Question paper 2022 | Practice Paper 2 Higher (All)
AQA_GCSE Trilogy Biology 2H Question paper 2022 | Practice Paper 2 Higher - - - GCSE COMBINED SCIENCE BIOLOGY: Practice Paper 2 Higher -- - - This question is about the cycling of materials...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Biology> AQA > AQA_GCSE Trilogy Biology 1H_Mark Scheme 2022 | Practice Paper 1 Higher (All)
AQA_GCSE Trilogy Biology 1H_Mark Scheme 2022 | Practice Paper 1 Higher - - - GCSE COMBINED SCIENCE BIOLOGY MARK SCHEME Practice Paper 1 Higher - - - 1 (a) mitosis 1 (b) 3 1 (c) different...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Physics> AQA > AQA_GCSE Trilogy Physics 1H_Question Paper 2022 | Practice Paper 1 Higher (All)
AQA_GCSE Trilogy Physics 1H_Question Paper 2022 | Practice Paper 1 Higher - - -GCSE COMBINED SCIENCE PHYSICS: Practice Paper 1 Higher - - - 1 A student launches a model rocket into the air....
By A-Level Guru , Uploaded: Jun 02, 2022
$8
Chemistry> AQA > AQA_AS Level Chemistry Paper 1_Mark Scheme 2022 | Practice Paper 1 (All)
AQA_AS Level Chemistry Paper 1_Mark Scheme 2022 | Practice Paper 1 1 (a) (i) [H+][OH−] OR [H3O+][OH−] 1 Ignore (aq) Must have [ ] not ( ) (ii) 3.46 × 10−14 (= 1.86 × 10−7) 2 If no square root,...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Chemistry> AQA > AQA_AS Level Chemistry Paper 2_Question Paper 2022 | Practice Paper 2 (All)
AQA_AS Level Chemistry Paper 2_Question Paper 2022 | Practice Paper 2 1 The following table gives the names and structures of some structural isomers with the molecular formula C5H10. Name of isome...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Physics> AQA > AQA_AS Level Physics Paper 1_Mark Scheme 2022 | Practice Paper 1 (All)
AQA_AS Level Physics Paper 1_Mark Scheme 2022 | Practice Paper 1 - - Section A 1 (a) (i) any two eg proton, neutron 2 (ii) 1 (b) (i) contains a strange quark 1 or longer half life than expected...
By A-Level Guru , Uploaded: Jun 02, 2022
$7.5
Connected school, study & course
About the document
Uploaded On
May 30, 2022
Number of pages
17
Written in
This document has been written for:
Uploaded
May 30, 2022
Downloads
0
Views
364
Avoid resits and achieve higher grades with the best study guides, textbook notes, and class notes written by your fellow students
Your fellow students know the appropriate material to use to deliver high quality content. With this great service and assistance from fellow students, you can become well prepared and avoid having to resits exams.
Your fellow student knows the best materials to research on and use. This guarantee you the best grades in your examination. Your fellow students use high quality materials, textbooks and notes to ensure high quality
Get paid by selling your notes and study materials to other students. Earn alot of cash and help other students in study by providing them with appropriate and high quality study materials.
In Browsegrades, a student can earn by offering help to other student. Students can help other students with materials by upploading their notes and earn money.
We're available through e-mail, Twitter, Facebook, and live chat.
FAQ
Questions? Leave a message!
Copyright © Browsegrades · High quality services·