Associate Program Material Levels of Life Worksheet Complete all three parts of this worksheet. Part I: Atomic Structure – Fill in the missing information on atomic structure and organic compounds. Atomic Structure Subatomic Particle Charge Location in an Atom Proton Positive Nucleus Neutron Neutral Nucleus Electron Negative Spherical (outer-shell) Organic Compounds Large Biological Molecule Atoms it Contains Monomer(s) Function(s) in Living Organisms Carbohydrates
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more catalyst will the speed of a reaction always continue to increase? Explain your answer. It will continue to speed up the reaction until there is more catalyst than the limiting reactant. 3. In this lab you will produce oxygen and water from hydrogen peroxide (H2O2). Write a balanced reaction equation for this reaction. 2H2O2(l)------>2H2O(l)+O2(g) 4. What causes the bubbles to form in this reaction? The production of oxygen (O2) 5. The exhaust gas from car engines pass through catalytic converters
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these suns move closer together the radiant shine would be the valence. The closer they get the ray of light overlaps and they share light. If an atom can share valence electrons it can form a bond. Two hydrogen atoms make hydrogen molecule‚ two oxygen atoms make an oxygen molecule‚ and two hydrogen atoms
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exposed to air properly. Q.2. Write the balanced equation for the following chemical reactions: (i) Hydrogen + Chlorine → Hydrogen chloride Ans. H2 (g) + Cl2 (g) → 2HCl (g) (ii) Sodium + Water --> Sodium hydroxide + Hydrogen Ans: 2Na (s) + 2H2O (liq) → 2NaOH (aq) + H2 (g). Q.3. Write a balanced chemical equation with state
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What is collagen? Collagen is a simple protein made up of amino-acids. Amino acids are built from carbon‚ oxygen and hydrogen. In fact collagen makes up approximately 30% of the protein within the body. As a structure Collagen is intensely strong and is a vital protein that is found all over the body: In tendons and ligaments. It plays an important role in the protection function of the skin in that it helps limit the absorption and spreading of pathogenic substances‚ environmental toxins‚ micro
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Salts – Reactions with Acids: Learn these General Equations and their Examples: 1. ACID + METAL –––––––> SALT + HYDROGEN Hydrochloric acid + Magnesium Magnesium Chloride + Hydrogen 2HCl(aq) + 2Mg(s) 2MgCl(aq) + H2(g) Sulphuric acid + Zinc Zinc Sulphate + Hydrogen H2SO4(aq) + Zn(s) ZnSO4(aq) + H2(g) Nitric acid + Aluminium Aluminium Nitrate + Hydrogen 2HNO3(aq) + 2Al(s) 2AlNO3(aq) + H2(g) 2. ACID + BASE –––––––> SALT + WATER Hydrochloric acid + Copper
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color changes when sodium bromide solution is reacted with chlorine water and iodine solution (separately). 8. Observe what happens when 3M sulfuric acid and potassium permanganate are added to hydrogen peroxide antiseptic. Observe what happens when potassium permanganate is added to hydrogen peroxide
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ACTIVITY SERIES The activity series of metals is an list of metals ranked in order of decreasing reactivity to displace hydrogen gas from water and acid solutions. It can also be used to predict which metals will displace other metals in aqueous solutions. In introductory chemistry‚ the reactivity series or activity series is an empirical series of metals‚ in order of "reactivity" from highest to lowest. It is used to summarize information about the reactions of metals with acids and water‚ single
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8.4 Water 8.4.1 Water is distributed on Earth as a solid‚ liquid and gas y y y Define the terms solute‚ solvent and solution Solution a homogeneous mixture of two or more substances Solute a substance that is dissolved in another substance or the component of a solution present in a lower amount. Solvent a substance which can dissolve another substance or the component of a solution present in a greater amount. Identify the importance of water as a solvent Water is essential as a reactant
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it shares hydrogen atoms. it gains or loses neutrons. 0 out of 5 The correct answer is: it gains or loses electrons. Question 7 of 20 The symbol 3CO2 represents one atom of oxygen and three atoms of carbon. three atoms of carbon and one molecule of oxygen. three molecules of carbon dioxide. one atom of carbon and three atoms of oxygen. 0 out of 5 The correct answer is: three molecules of carbon dioxide. Question 8 of 20 In water‚ hydrogen bonding occurs between the hydrogen and an oxygen
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