Page 46 - الكيمياء كتاب الطالب للصف 11 الفصل 2
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8 CCCCCCC                                    ةعباسلا ةدحولا

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            ىوتحملا يف تاريغتلا



                                                          heading             يرارحلا










                           Enthalpy Changes









                                                                                    LEARNING OBJECTIVES
                                                                                     In this chapter you will learn how to:


                                                                         ,investigate the units of measurement used in microscopy
                                                                e.g. millimetres, micrometres and nanometres
                                                              carry out conversions between the different units

                                                                calculate magnifications of photographs or images
                                                       calculate magnifications from a scale bar

                                                                          .calculate the real size of objects from a given magnification
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                                                                              ?Do you know how to set up and use a light microscope
                                                                                      What do you already know about the structures of typical plant
                       and
                              animal cells
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