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...FAQs. When you gain your badge you will receive an email to notify you and you will be able to view and manage all your badges in My OpenLearn within 24 hours of completing the criteria to gain a badge...Introduction and guidance: Course contributors - Alongside Dr Louise MacBrayne, a chemist from The Open University, two other academics will feature throughout this...

...et al., 2013). Ironically, many REE are used for so-called ‘cleantech’ applications such as renewable energy or green transportation, moving us away from an economy driven by energy with a high carbon footprint, and because of this they are thought of as green. However, we have seen in this section that current REE production is a big environmental pollutant, but with...

...et cetera. It was strange, because they didn’t look any much different than they did from the rocks on Earth at first glance. But it’s when you look at it closely with a microscope that you see that there’s distinct differences. Probably 95% of the minerals are quite similar to what we have on Earth, but almost every lunar sample has metallic iron in it. On Earth,...

...nag fel prawf. Os bydd arnoch angen mwy o ganllawiau ynghylch cael bathodyn a’r hyn y gallwch ei wneud ag ef, ewch i OpenLearn FAQs. Pan fyddwch yn ennill eich bathodyn, cewch eich hysbysu drwy neges e-bost a byddwch yn gallu gweld a rheoli’ch holl fathodynnau yn My OpenLearn cyn pen 24 awr ar ôl cwblhau’r meini prawf i ennill bathodyn. Nawr ewch i Sesiwn 1....

...monomer is [Figure 39] Figure 39 and being a small molecule, has a very low viscosity (Et is the abbreviation for the ethyl group −C2H5). This is an important property for adhesion, because it means that the liquid when applied to the broken pot will penetrate even the finest cracks in the fractured surfaces. Such surfaces will normally already be very slightly wet with water from the atmosphere (a monomolecular film is ......

...FAQs. Pan fyddwch yn ennill eich bathodyn, cewch eich hysbysu drwy neges e-bost a byddwch yn gallu gweld a rheoli’ch holl fathodynnau yn My OpenLearn cyn pen 24 awr ar ôl cwblhau’r meini prawf i ennill bathodyn. Nawr ewch i Sesiwn 1...Sesiwn 1: Gweithio gyda rhifau: Cyflwyniad - Mae dealltwriaeth o rifau’n rhoi ichi’r sgiliau sylfaenol mae arnoch eu hangen i...