M & P

Define a mineral. A mineral is a naturally occuring solid with a highly ordered atomic arrangement and a definite, but not fixed, homogeneous chemical compound. How thick is the oceanic crust? The continental crust? oceanic 6-8 km and made of basalt   continental 35-45km thick and made of silicon and aluminum Name the three types of plate bonds. Divirgent, convergent …

Glaciology Practical

what is an ice stream? an ice stream is a glacier that moves faster than the ice around it. what are ice streams a control of? ice steams help control drainage difference between an ice shelf and an ice sheet and ice shelf floats over water 3 sinks of ice for the ice sheet mass balance: 3 sinks of ice …

Arene Molybdenum Lab

Ergonomically chemistry is the study of chemical compounds that contain carbon atoms bound to a metal atom. Ergonomically compounds can contain main group elements, or more metallic elements such as zinc or carbon. These compounds tend to have carbon atoms bound to the metal center by o-bonds. Alternatively, transition metals can be involved in the compound, which leads to a …

14.3 can be prepared with a density of

14.3 Hydrogen chloride. Hydrochloric acid. you will:understand the properties of hydrogen chloride and hydrochloric acidunderstand the preparation and usage areas of hydrochloric acid How is HCl acid formed in our stomach? How does the stomach not digest itself if it has strong hydrochloric acid in it?Glauber prepared this acid in 1648 by heating common salt with concentrated sulphuric acid. Davy …

The The BET surface area and total pore

The rind and pulp waste of jackfruit were used as precursor for preparation of activated carbon as described by Nagalakshmi and other workers 2015. Proximate analysis of these precursors showed that they have high carbon content (39 %) and low ash content (2 %). Activated carbon produced at 600 °C and impregnation ratio of 1 by using K2CO3 as activating …

Forging Theory

Hot working range and effects temperature and 1 . Near ICC metal strength decreases and plasticity increases until at lowest temperature where the lowest melting constituent of steel starts to melt. The strength decreases and looses plasticity and tint to crumble under applied stress instead of flow. 2. Selection of temperature depends on a) Chemistry. B) Melting point of the …

Chemistry SL Paper

One tick to be shown for each mark awarded. 4. Sometimes, careful consideration is required to decide whether or not to ward a mark. In these cases use Scoring; annotations to support your decision. You are encouraged to write comments where it helps clarity, especially for re-marking purposes. Use a text box for these additional comments. It should be remembered …