Use the knowledge of kinetics to explain each of the following statements. a. An increase in temperature at which a reaction takes place causes an increase in reaction rate . An increase in temperature means increasing the energy of the molecules present. If the molecules has more energy ‚ then more of the them will collide often with enough energy ‚ to overcome the activation energy barrier. causing the reaction to proceed more quickly. b.An addition of the catalyst increases the rate at which
Free Chemical reaction Chemical kinetics
MOBILE COMMUNICATION VIA STRATOSPHERE -A REVOLUTION IN THE WIRELESS COMMUNICATIONS g. Krishna teja‚ r. karthik‚ teja.hummer@gmail.com VEC‚ kavali. ABSTRACT: “ANTENNAS MAKE THE RELATIONSHIP AMONG THE PEOPLE THROUGH COMMUNICATION BUT BREAK THE INDIVIDUAL’S RELATIONSHIP WITH THE WORLD THROUGH RADIATION” Today we are in danger due to health hazards caused by mobile radiation. Recent surveys and experts confirmed
Free Mobile phone GSM
Kinetics Introduction Nivaldo J. Tro describes kinetics as the study of how changes that occur in chemical reactions take place over time‚ and because of its vast utilization in a multitude of industries‚ it may be one of the most significant and fascinating aspects in the entire chemical world. One application of the study of kinetics can be applied to the determination of the rate of a chemical reaction involving a certain selection of chemicals (FD&C Blue #1 and sodium hypochlorite). The
Premium Chemical reaction Reaction rate Chemistry
Static and Kinetic Friction Introduction The amount of friction force between two surfaces in contact depends on the type of the surfaces in contact and the amount of compression between the surfaces. Static friction is the force that is acting against your force before the object begins to move. If you exert a small push on the box‚ the box will not move because static friction is directly opposite to the push. If you apply a greater force than the static friction force‚ the friction increases
Premium Friction Force
IN-N-OUT BURGER You may be thinking‚ “Hey‚ what’s the big deal about IN-N-OUT that you have to write an article about it? But if that is what you’re thinking‚ then you are likely to have one or more or these great restaurants in your town. However‚ not everybody visiting LasVegas has an IN-N-OUT BURGER back home‚ but they are likely to have heard of this fast food chain. A regional burger chain IN-N-OUT BURGER is not found throughout the Untied States‚ and this is due to several reasons‚ but
Premium In-N-Out Burger Hamburger Fast food restaurant
Ashley Esparza Stallings Period 2 January 26‚ 2013 Enzyme Catalysis Lab Report Background: Enzymes are catalyst‚ which affect the rate of a chemical reaction. One consequence includes the cell to carry out complex chemical activities at relatively low temperatures. In these reactions the substrate binds reversibly to the active site. The cause of this is a decrease in the energy needed to activate the reaction of the substrate molecule to from products. Every enzyme is particular for a
Premium Enzyme Catalysis Chemical reaction
Kinetic Molecular Theory Basic Concepts The gas laws developed by Boyle‚ Charles‚ and Gay-Lussac are based upon empirical observations and describe the behavior of a gas in macroscopic terms‚ that is‚ in terms of properties that a person can directly observe and experience. An alternative approach to understanding the behavior of a gas is to begin with the atomic theory‚ which states that all substances are composed of a large number of very small particles (molecules or atoms). In principle‚ the
Premium Ideal gas law Thermodynamics Gas
ACARS via Iridium Iridium is a large satellite constellation that consists of 66 low-earth orbiting (LEO)‚ cross-linked satellites operating as a fully meshed network providing truly global coverage (including oceans‚ airways and polar regions). Iridium satellites are in a near-polar orbit at an altitude of 485 miles. The network is composed of 66 active satellites that fly in six orbital planes‚ each with 11 satellites per plane. Satellites circle the earth once every 100 minutes. ACARS is
Free Communication Message Aircraft
uniform disk of radius R = 0.25 m has a string wrapped around it‚ and a m = 3 kg weight is hanging on the string. The system of the weight and disk is released from rest. a) When the 3 kg weight is moving with a speed of 2.2 m/s‚ what is the kinetic energy of the entire system? KETOT = KEwheel+KEweight = (1/2)(I)(w2)+(1/2)(m*v2) =(0.5* v2)(m+1/2M) =0.5*(2.2^2)*(3+(.5*15)) J b) If the system started from rest‚ how far has the weight fallen?
Premium Mass Classical mechanics Energy
in the wire? Ignore the weight of the wire. [614 N] 2. A 40 kg crate rests on a horizontal floor‚ and a 75 kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person. [(a) 1.13 x 103 N‚ (b) 735 N] 3. A worker stands still on a roof sloped at an angle of 45° above the horizontal. He is prevented from slipping by a static frictional force of 450 N. Find the mass of the worker. [85 kg] 4. A 4.0-kg
Premium Friction Mass Force