Interstitial t Transcellular Intracellular Fluid (ICF) t Fluid located within cells t 42% of body weight t Most prevalent cation is potassium (K+) t Most prevalent anion is phosphate (PO4-) Extracellular Fluid (ECF) t Fluid spaces between cells (interstitial fluid) and the plasma space t Interstitial l Most prevalent anion is chloride (Cl-) l Most prevalent cation is sodium (Na+) l Expands and contracts l 2/3 of ECF in interstitium t Intravascular (IV) l Within vascular space l Measured
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Chapter 1 The Chemical World Chemistry a science that studies matter – its properties and changes. Matter is anything that has mass and takes up space. Matter is made up of atoms and molecules. Scientific Method Observation of nature → Hypothesis (possible explanation) → Experiments to confirm or revise hypothesis Many observations lead to scientific law – a statement of the relationship between different parts of nature. Ex: law of conservation of mass- “ matter is neither created or destroyed”
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Bio 1610 Vocabulary Words CH 1-4 CH 1 Emergent Properties- The greater good‚ bike parts in a box = useless‚ put them together = useful. Systems Biology- Using data to predict the function or result of an affect or variable has on a biological system. Biosphere- The earths atmosphere‚ the earths crust‚ the life in the ocean etc. Ecosystem- A community of organisms and their physical environment‚ ie- the dessert‚ a coral reef‚ a jungle etc. Community- All of the groups of animals or
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15.2 Born-Haber Cycle Our calculations of enthalpies so far have involved covalent substances. Now we need to look at the enthalpy changes involved in the formation of giant ionic lattices. Lattice enthalpy is defined as either the: ’the enthalpy change that occurs when one mole of a solid ionic crystal is broken into its ions in the gaseous state‚ at standard temperature and pressure. Because all the bonds in the ionic lattice are broken‚ it is an endothermic process‚ ∆H is positive. ’ The
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Building materials of a cell are composed of two atoms that form molecules. A chemical bond is created when two atoms share an electron. Also called covalent bond because they share valence electrons. A covalent bond‚ which is the strongest bond‚ takes action when two atoms valence overlap. For example‚ there are two suns and the light that shines from the two solid spheres forms many rays making a radiant cloud around each of the two. If these suns move closer together the radiant shine would
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II PUC – CHEMISTRY (34) MODEL QUESTION PAPER - 1 Time: 3hours 15 minutes Maximum marks: 70 Instructions: 1. The question paper has four parts: A‚ B‚ C and D. All parts are compulsory. 2. Write balanced chemical equations and draw labeled diagrams wherever required. 3. Use log tables and the simple calculator if necessary. (Use of scientific calculators is not allowed) PART-A I. Answer ALL of the following. (Each question carries 1 mark) 10x1=10 (Answer each question in one word or
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release the protein from the subcellular organelles. This step is also known as homogenization. This step can be done with the use of blender. As the solution was homogenized‚ it may undergo saltation or acidation to remove impurities such as calcium anions. Hexane may also be used to defat the protein. Lastly‚ the solution undergoes differential centrifugation. This will separate the protein crude from the liquid. (Campbell) After protein purification‚ the crude now undergoes characterization. Activity
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Determination of the Solubility Product Constant of Calcium Hydroxide Austin Raniel Tan Institute of Chemistry‚ College of Science‚ University of the Philippines‚ Diliman‚ Quezon City 1101 Philippines ------------------------------------------------- Christian Tica‚ Ryan Tabernilla‚ Michael Siao‚ Ron Mabunga‚ Jaime Olivares‚ and rest of Team Pogi Abstract ------------------------------------------------- By measuring the concentration of the hydroxide ion from a solution saturated with
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(3) or a = 2.309r -fcc: a = r*rt(8) X-ray Diffraction: they utilize the scattering of X-rays to determine the structure of an atom Bragg’sLaw: 12.4- Types of Crystals ionic crystals -composed of anions/cations -held together by coulomb forces -anions are generally bigger than cations -size and rel. size determines structure covalent crystals -atoms are held together in an extensive 3-D network entirely by covalent bonds molecular crystals -the lattice points are occupied by molecules
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type of covalent bond where the ligands shares its lone paired electrons with the centre metal cation. Coordination number is the number of ligand ions or molecule bonded to the cation. The centre metal ions which from complex ions are also known as cations. To form complex ions‚ cations musts have empty orbitals with low energy such as 3d and 4s orbitals to accept lone pair electrons from ligands. Cations with higer charge attracts ligands more easily. D-block metals with their high charge and empty
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