• Kinetic Theory
    temperature of a gas, it particles will speed up. If it is a closed container the pressure will also increase What happens to the average speeds of the particles in a gas when one increases that gas’s temperature? When temperature of gas increased, the velocity of the molecules also increases. As the...
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  • Kenic Lab
    | | | | | | | | | | | 1. What happens to the particle speed as the temperature is increased? • As the temperature increase the speed of the particle increased 2. How does the speed frequency distribution graph...
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  • Kinetic Theory Lab
    | 1. What happens to the particle speed as the temperature is increased? Particle speed increases. 2. How does the speed frequency distribution graph change for a given gas as the temperature is increased? Number of particles increases. 3. At a given temperature, why does the most...
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  • Chemistry- Collision Theory
    computer known as: MULTIMEDIA SCIENCE SCHOOLS From the computers experiment I found results I would know what to expect when I would do my experiment. I learnt how different quantities and temperature can affect the speed of collision with in...
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  • slang text messages
    energy and move around at high speeds and can collide with one another. Matter can also change from one state to another e.g. ice to water to water vapour. Evaporation and condensation There are 3 things that can cause evaporation to happen quicker • A larger temperature • A...
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  • Science for Class 9
    incense stick in a corner of your class. How close do you have to go near it so as to get its smell? Now light the incense stick. What happens? Do you get the smell sitting at a distance? Record your observations. Activity ______________ 1.4 Fig. 1.2: Estimating how small are the particles...
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  • Rate of Reaction
    PLANNING I am going to investigate how the concentration of an acid affects the 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...
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  • Rates of Reaction
    reaction go up so we see a decrease in the amount of time taken for the reaction and an increase in time taken. = 1 Time taken reflects the rate of reaction. Because temperature has an effect on both the speeds at which the particles react and the activation energy they have a greater effect on...
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  • Science Fair
    with the normal temperature (60°F) is the control group. The independent variable is water and the temperature of the water. The dependent variable is the reaction rate of the Alka-Seltzer. My literature review supports my hypothesis because an increase in temperature would increase particle speed...
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  • Lols
    reactions happen faster when the temperature is higher. At higher temperatures molecules mover around faster, which makes it easier for them to react together. Usually, rises of 100C will double the rate of reaction. Chemical reactions take place by chance. Particles need to collide with enough...
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  • Chemistry
    theses results in to graphs to show my results and to show what the conclusions are. Concentration(g) Speed (s-1) 50 1/28=0.00189=0.0019 40 1/37=0.004525=0.0045 30 1/58=0.010526=0.011 20 1/95=0.017241=0.017 10 1/221=0.027027=0.027 5 1/529=0.035714=0.036...
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  • Rates of Reaction
    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, surface area and catalysts. These various things can increase the energy of the particles or give...
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  • G8 Science Learner's Manual
    changes. If the object absorbs heat its temperature rises. How do we explain the rise in temperature when heat is absorbed? In this next activity, you will take a closer look at what is actually happening at the particle level and infer what happens to the particles of an object when heat is added to...
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  • Mr Olawale
    greater energy content per mole than a monatomic gas at the same temperature? 13. An ideal gas is contained in a vessel at 300 K. If the temperature is increased to 900 K, (a) by what factor does the rms speed of each molecule change? (b) By what factor does the pressure in the vessel change? 14. A...
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  • Investigating the Factors Affecting the Rate of a Chemical Reaction.
    . More collision increases the rate of reaction. • Temperature increases the number of collisions, as the temperature is increased the particles move quicker. Reactions get faster as the temperature is increased in this case the same mass of gas would be given off because you still have the same...
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  • The Birth of an Atom
    decided that an atom was made up of three particles: * Protons - these were charged with electricity that was positive and contained most of the mass of atoms. * Electrons - these were very light particles (1/1800th the mass of a Hydrogen atom!) with a negative electric charge exactly...
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  • Chemistry Coursework
    Cacl + Co2 + H20 Factors that affect the rate of a reaction 1. Temperature – the temperature affects the rate of reaction because when you heat up a molecule the molecule moves faster giving the molecules more chance of colliding overall affecting the speed...
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  • Chemistry Module 6
    have a greater difference between the starting and ending potential energy values because more energy is released by a firework than by a candle.Quiz: | [06.01]The same amount of heat is removed from 2 kg of water and from 1 kg of water starting at the same temperature. What will happen? ( 1 points...
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  • Physic
    direction the positive particles would travel in. This is the opposite of what actually happens, as it is the negative particles (electrons) that move. Conventional current is indicated with arrows on the lines (wires). Conventional current goes from the positive side (long line in cell drawing) to the...
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  • Chemistry Rate of Reaction
    experiment to get the best and fairest results. A reaction is a chemical process that occurs between two elements to produce a bi product like thermal energy, light, kinetic energy or another element or a compound What are the main factors that affect the rate of reaction? The speed that the reaction...
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