Let's have 100 ml of concentrated hydrochloric acid (HCl) solution (W = 36%, density = 1,18 g/ml)Then,W(HCl)= x g HCl / 100 ml of solution = x/118 g = 36%Hence...
1 Answers 1 viewsMost bacteria appear in variations of three major shapes when viewed under the light microscope: The rod (bacillus)The sphere (coccusThe spiral type (vibrio). Structure of bacteria has two aspects, arrangement...
1 Answers 1 viewsShape of viruses are classified into filaments, isometric enveloped and head and tail . The filamentous shape is determined by the presence of form of threads or filaments while isometric...
1 Answers 1 views-most cleaning detergents possess lipase and protease enzymes, found in the body. Lipase breaks downs fats and oils while protease breaks downs the chains in proteins. This makes them good...
1 Answers 1 viewsBecause dissolving occurs at the surface of a crystal, the more solute surfaces that are exposed to solvent, the faster the solute will dissolve. ... The surface area is increased, for example, by grinding up one large crystal into many small...
1 Answers 1 viewsWeight of Cu = 2.08 g and water = 2.95 g
1 Answers 1 viewsLiquid crystal is a term referring to substances that are not crystalline (solid) nor isotropic (liquid), but somewhere between the two. For example, many proteins and cell membranes are liquid crystals. There...
1 Answers 1 viewsThe vast majority of solids is in the crystalline state. Crystals called solids which have a periodic arrangement of proper particles (atoms, molecules or ions) that is characterized by long-range...
1 Answers 1 views1s electron orbital is occupied by hydrogen electron. 1s orbital is spherically symmetrical around the nucleus. 2py orbital belongs to p-orbitals, where 3 possible orientations are possible (2px, 2py, 2pz)....
1 Answers 1 viewsNH3 - trigonal pyramidalClO2- - bentSO42- - tetrahedralCF3Cl - tetrahedralSCl42+ - see-saw
1 Answers 1 views