20 to 22 September 2019
18 to 20 October 2019
Find all InThinking Workshops at www.inthinking.net
If you are interested in an InThinking consultant visiting your school to work with teachers and/or students, please contact us.
The vacation home exchange service for the IB community.
Feel at home when you travel the world.
Catalysts questions 19 August 2019
1. Catalytic converters used in automobiles typically contain platinum, palladium and/or rhodium metal coated onto a honeycomb ceramic surface. They convert oxides of nitrogen, NOx, carbon monoxide and... more
HL Questions on each sub-topic free13 August 2019
Both Core and AHL questions are included.1.1 Nature of matter & chemical change questions 1.2 Empirical & molecular formula questions1.2 Mole & Avogadro's constant questions more
Creating student accounts free7 August 2019
Beneath your name on the home page you will see 'My account' and 'Student access'.Note that you can gain student access from any page (not just the home page) simply by clicking on the arrow by your name... more
Using student access free7 August 2019
This website is primarily for IB chemistry teachers but the aim of all of us is to enable our students to realise their full potential and gain as high a mark as possible in chemistry for their IB Diploma. more
Complete course for studentsfree7 August 2019
The purpose of this section is to provide complete syllabus coverage specifically for students who have been signed up to student access by their teacher in a subscribing school. It is designed to be... more
Identification from spectra: Question 20 free7 August 2019
Identify compound T from the data (a – d) given and explain how you arrived at your answer.a) Elemental analysis of compound TElementPercentage by massCarbon85.60 more
Identification from spectra: Question 167 August 2019
Identify compound P from the data (a – d) given and explain how you arrived at your answer.a) Elemental analysis of compound P.ElementPercentage by massCarbon43.96 more
Identification from spectra: Question 187 August 2019
Identify compound R from the data (a – d) given and explain how you arrived at your answer.a) Elemental analysis of compound RElementPercentage by massCarbon37.82 more
Identification from spectra (20) Answer7 August 2019
Answer to Identification from spectra: Question 20ElementAmount / molSimplest ratioCarbon85.60/12.01 = 7.131Hydrogen14.40 / 1.01 = 14.262 more