• Kinetic Theory
    at different temperatures (exploration 1) Gases are composed of a large number of particles that are in a state of constant,random motion. They move in a straight line unless they collide with another particle or walls of a container. There is no force of attraction between the particles or the walls...
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  • Kenic Lab
    is used to explain how gases behave at different temperatures. (Exploration 1) • Analyze data that shows how gas particle mass affects that gas’s behavior. (Exploration 2) • Describe the Maxwell-Boltzmann Distribution. (Explorations 1 and 2) Description of Activity The kinetic-molecular...
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  • Kinetic Theory Lab
    is used to explain how gases behave at different temperatures. (Exploration 1) • Analyze data that shows how gas particle mass affects that gas’s behavior. (Exploration 2) • Describe the Maxwell-Boltzmann Distribution. (Explorations 1 and 2) Description of Activity The kinetic-molecular...
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  • Chemistry- Collision Theory
    reaction will take place. Therefore, particles in the two compounds will collide faster. Due to my prediction if it is correct, I expect to see the cross on the paper disappear faster. As I already know that increasing one quantity will speed up the reaction as the particles are more likely to collide. ...
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  • Rate of Reaction
    rate of reaction. The rate or speed of a chemical reaction is a measure of how fast the reaction takes place. There are a few factors that affect the rate of reaction: concentration, surface area, temperature and using a catalyst. Concentration – as you know, particles in a solution move about, they...
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  • Physic
    PHYSICS IGCSE 2012 EXAM REVISION NOTES By Samuel Lees and Adrian Guillot 1. General physics 1.1 length and time 1.2 Speed, velocity and acceleration 1.3 Mass and weight 1.4 Density 1.5 Forces a. Effects of forces b. Turning effect c. Conditions for equilibrium d. Centre of mass e. Scalars and vectors...
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  • Rates of Reaction
    Rates of Reaction BACKGROUND INFORMATION What affects the rate of reaction? 1) The surface area of the magnesium. 2) The temperature of the reaction. 3) Concentration of the hydrochloric acid. 4) Presence of a catalyst. In the experiment we use hydrochloric acid which reacts with the magnesium...
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  • slang text messages
    are you? D: On my way home M: Alrigth dinners ready. D: OK M: Be safe D: I will M: Love you xoxox :) :) :) D: love you too x Physics Unit 1 Revision (higher tier) Energy There are 9 different forms of energy: Light Heat Chemical Kinetic (movement) Electrical Elastic (Gravitational)...
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  • Science for Class 9
    C hapter 1 MATTER IN IN OUR SURROUNDINGS As we look at our surroundings, we see a large variety of things with different shapes, sizes and textures. Everything in this universe is made up of material which scientists have named “matter”. The air we breathe, the food we eat, stones, clouds...
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  • G8 Science Learner's Manual
    UNIT 1 Force, Motion, and Energy 2 Suggested time allotment: 8 to 10 hours Unit 1 MODULE 1 Overview FORCES AND MOTION In Grade 7, you described an object’s motion in terms of displacement, speed or velocity, and acceleration. You performed activities wherein you interpreted or created...
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  • Chemistry Module 6
    Thermo-chemistry I. Temperature and Thermal Energy Temperature is a measure of the average kinetic energy of the particles in a sample of matter. The greater the avg. kinetic energy of the particles in a sample of matter, the higher the temperature of that matter. Some temperature scales are Fahrenheit...
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  • Science Fair
    molecules will happen. Also, more collisions means more combinations of molecules to occur which will consequently speed up the reaction and the rate of reaction (Bursten 492). Another factor in reaction rates in the concentration of particles. Similar to the Collision Theory, the more particles there are...
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  • Chemistry
    Plan This investigation is about rates of reaction and what affects them. In this case I am going to look at hydrochloric acid and sodium thiosulphate which is a precipitation reaction. They react as in the equations below: Sodium thiosulphate + hydrochloric acid -> sodium chloride + sulphur + sulphur...
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  • Lols
    Planning Hypothesis I predict that as the temperature increases, the speed of the reaction will increase therefore the gas will be produced faster. I believe this because most chemical reactions happen faster when the temperature is higher. At higher temperatures molecules mover around faster, which makes...
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  • Chemistry Rate of Reaction
    GCSE Science Chemistry Coursework What Affects the Rate of Reaction? In this coursework I will be answering the above question; this will be done from an investigation into an experiment. In this experiment I will conduct various pre-test so I know what component I will use in my main experiment...
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  • Smoke weed 420
    EEI Term 3 Temperature: http://coolcosmos.ipac.caltech.edu/cosmic_classroom/light_lessons/thermal/temperature.html The atoms and molecules in a substance do not always travel at the same speed. This means that there is a range of energy (the energy of motion) among the molecules. In a gas,...
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  • Rates of Reaction
    reaction to occur the particles of the Sodium thiosulphate must collide with the particles of the hydrochloric acid. These collisions only occur when there is the right amount of energy. This is known as the activation energy. Several things can affect the rate of a reaction. Temperature, concentration...
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  • The Birth of an Atom
    from Newtonian Mechanics (also known as common sense!). The deviations were not discovered until this Century because they are only noticeable at high speeds and under very intense gravitational fields. There is another 20th Century idea that also violates Newtonian Mechanics. This is called Quantum Mechanics...
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  • Investigating the Factors Affecting the Rate of a Chemical Reaction.
    reaction: (a) the solution concentration, (b) the temperature of the reactants, (c) the size of the solid particles (surface area effect), (d) a catalyst A chemical reaction can only occur between particles if only they collide he reactant particles must collide therefore this only occurs in the collision...
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  • Thermodynamics
    ........................................................3 Feeling and seeing temperature changes.....................................................................................3 Classic Dramatic Uses of Temperature-Dependent Effects..........................................................4 The...
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