Introduction to Animal Growth and Development. By: Jessica Hawley. Objectives. Define growth Explain the three ways growth can occur Compare and contrast differences in true growth and fattening Explain differences in animal growth from past and present. What is growth?.By beata
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Computer Systems Unit 2 Computer Structure. Higher Grade Computing. Computer Organisation. Most computers still use the Von Neumann architecture. Computing problems are defined as a sequence of instructions ( program ) stored in main memory.
Promoting Higher Quality. OHT 1.1. Session 1. Introduction to the Academic Review : Context and Purpose. OHT 1.2. Academic Review 2000-6 Key Features of Subject Review. Accountability Better, more accessible public information about quality and standards
Use D H = -cm D T D H = -4.18 x 0.1 x 10 D H = - 4.18 kJ. ( c is specific heat capacity of water, 4.18 kJ kg -1 o C -1 ) m is mass of water in kg, 0.1 kg D T is change in temperature in o C, 10 o ). HIGHER GRADE CHEMISTRY CALCULATIONS.
[H + (aq)] [OH - (aq)] = 1 x 10 -14 mol 2 l -2 . So [OH - (aq)] = mol l -1 . = 1 x 10 -9 mol l -1. 1 x 10 -14 1 x 10 -5. HIGHER GRADE CHEMISTRY CALCULATIONS. pH is related to the concentration of hydrogen ions. e.g [H + (aq)] = 1 x 10 -1 mol l -1 , pH = 1
Higher Grade / Intermediate 2. Preparation of the Body. Lesson objective. To ensure we are prepared for a range of questions To identify the key content required in a question Linked revision materials POB Revision Presentation POB Revision Booklet – Key Questions POB Past Paper Questions.
HIGHER GRADE CHEMISTRY CALCULATIONS. Redox titrations are used to find out information about one reactant, using known information about the other. Worked example 1.
Use D H = -cm D T D H = -4.18 x 0.2 x 6.2 D H = - 5.18 kJ. ( c is specific heat capacity of water, 4.18 kJ kg -1 o C -1 ) m is mass of mixed solution in kg, 0.2 kg D T is change in temperature in o C, 6.2 o C). HIGHER GRADE CHEMISTRY CALCULATIONS.
HIGHER GRADE CHEMISTRY CALCULATIONS. A balanced equation shows the number of moles of each reactant and product in the reaction. . Worked example 1. The equation below shows the reaction between calcium carbonate and hydrochloric acid.