Intermolecular forces Essays

In the experiment 1 of intermolecular forces via evaporation, groups were challenged to gain a better understanding of the molecular forces in alkanes and alcohols while also exploring the impact of molar mass on intermolecular forces. Before starting, it must be understood that evaporation is an endothermic process. Substances with weak intermolecular forces will experience a greater temperature drop. Strong intermolecular forces will not experience a great temperature change. Because of the key

Ionic bonding In an ionic bond, electrons are transferred from one atom to another so that they form oppositely charged ions. The strong force of attraction between the oppositely charged ions is what holds them together. Ionic bonding is the electrostatic attraction between positive and negative ions in an ionic crystal lattice. 3.3.1. Formation of ionic bond  Activity 3.3 1) Draw diagrams

DEFINITION AND DESCRIPTION OF THE TASK The researcher will conduct an inflated balloon experiment. This experiment will allow the audience to understand clearly, "Charles' Law" and "Kinetic Molecular Theory" respectively. It will use extremely low and extremely high temperature so that the audience can evaluate the significant difference on the balloon size. The students shall be competent in presenting a laboratory experiment because it is one way to get involve in the lessons taught in school

Purpose: Intermolecular force is the strength of the bond between two molecules. It is affected by their molar masses since the more lightweight a molecule is, the easier it is to pull it away from whatever it is bonded to. Although molar mass affects intermolecular forces, it is not the greatest factor in the determination of a bond’s strength. Polarity, or the positive and negative sides of a molecule dictate the intermolecular forces far greater than molar mass. When a molecule only has a small

Field hockey is a game of skills with a ball and stick. It is an 11 a side game with similar formation to soccer. There are many ways of striking the ball in hockey; hit, sweep, push, drag flick. The speed at which the ball travels is an essential factor of the game. The player has to hit the ball while moving, focusing on a target and defending from the opposition. To score a goal, the player must hit the ball from inside the semi-circle marking known as the D. The speed of the ball comes mainly

Candle of Newton’s Third Law In his Third Law Sir Isaac Newton tells us that for every action there will be an equal and opposite reaction. That is to say when a rubber ball is dropped to the floor it will react (bounce off) with the same amount of force that it acquired during its descent. This means that the ball will move away from the floor and will do so in the opposite direction. This sounds logical and makes sense in scientific terms however; this equation carries no strength when it comes to

the way in which those changes in motion are related to force and mass. There are three laws of motion which were introduced by Sir Isaac Newton which are Newton’s First Law , Newton’s Second

law states that the real effect of a force is always to change the speed of a body, rather than just set it moving, as was previously thought. It also meant that whenever a body was not acted on by any force, it will keep on moving in a straight line at the same speed. What happens to a body when a force does act on it is given by Newton’s second law which states that the body will accelerate, or change its speed, at a rate that is proportional to the force. In addition to his laws of motion,

Friction is a force that fights against any motion between two surfaces that are in contact with each other, and is a delaying force that resists motion in the opposite direction to the motion of that object. There are four categories of friction which are; Rolling, Sliding, Fluid, and Static Friction. Rolling Friction occurs when an object rolls over a surface, such as a soccer ball getting kicked across a grassy field, and eventually will slow down more quickly than a ball kicked across a smooth

amusement parks. The physics behind roller coasters are very interesting and captivating. This report will be about the energy changes involved during the ride, minimum energy required to make the ride safe but also ensuring that it is also exciting, forces involved in the ‘clothoid loop’ and the weight changes experienced by the rider during their ride through the loop. First, the roller coaster’s energy are conserved and at the start of the ride they will need to have sufficient energy to complete

The relevant scene being analysed in the 1995 movie ‘Toy Story’ is the scene where Woody asks for help from Sid’s toys, who are virtually strangers to him, to save Buzz Lightyear who is strapped to a big rocket outside in Sid’s backyard, ready to be blown up by Sid. When Woody shouts for help to the group of Sid’s toys to help him save Buzz, the toys all flee and hide in the shadows as they feared Woody was being aggressive towards them. Woody then pleads with the toys for assistance, stating that

In all experiments, observers viewed two rotating structure-from-motion (SFM) objects. Spherical and “gear” shapes were used in Experiment 1. Spheres only were used in all Experiments 2 and 3. All experimental conditions for Experiments 1 and 3 are illustrated in Videos 1-31. Experiment 1 Two types of shapes – a sphere and a gear – were used in Experiment 1 (see Videos 1-30). Individual shapes subtended approximately 6.5° of the visual angle vertically and horizontally and consisted of 500 dots

Fitness training methods for hockey Ice hockey is a team sport played on ice, typically at an ice rink. Ice hockey consists of two opposing teams, each with eleven players. The players use sticks curved in the end, which is used to hit a rubber disk or puck into the opponent team’s goal. The game developed from field hockey in Canada. Ice hockey uses certain fitness training methods to help improve different fitness components that are needed in the game. Fitness training methods Training

When students go home after school they should be able to relax right? In an ideal world students should just be able to take there bag off and chill, go out with friends, play video games or go play sports at the park or something right, but no. Nowadays the average high school teenager has to go home, sit down at a table and basically continue school for another two-three hours. We have to do homework almost immediately after school because if we don’t then we will be up until 12 or later doing

Social stratification has been a part of society for thousands of years and has yet to dissipate. It is prevalent on the micro and macro level and has been a part of various societies and cultures ranging from the united states all the way to India. Social Stratification, "is a system of inequality that takes into account the differences among individual members of a society and ranks them by their wealth, power, prestige, and ascribed status, thus creating a social hierarchy" (Larkin, 2015, para

Analysis: Although only a simple water bottle rocket, it still applies to basic rocket theory. The simplest equation which applies is Tsiolkovsky's equation which describes a device that can apply acceleration to itself (a thrust) by expelling part of its mass with high speed and thereby move due to the conservation of momentum. In short the momentum which the rocket gains is that momentum which the water loses as it is expelled. The equation is: ∆v=V_e ln⁡(m_o/m_f ) Where: ∆v = change in velocity

even matter? As the parachute is falling, the force of gravity is pulling the parachute down towards the Earth and this sometimes causes the fall to happen very fast. When going skydiving or when NASA tries to land a probe, designing a parachute is a vital step. Without the proper parachute, one could die or get seriosuly injured. The main use of the parachute is to slow something down because it causes air resistance, which is also known as drag force. The air ends up pushing the parachute and also

risky things, Parents should make sure their child have a good self-control when they are planning to go study abroad and after child arrived at a new place, keep watch out their behaviors and ask about their daily activity. But parents should not force their children to tell them. They need to make them feel free or comfort to share their

inventions and technological innovations created the factory system of large-scale machine production. K. Marx noted, “As a machine, the means of labor acquires a material form of existence that makes possible the replacement of human effort by the forces of nature and empirical, routine procedures by the conscious application of natural science” (K. Marx and F. Engels, Soch., 2nd ed, vol. 23, p. 397). Until the industrial revolution of the 18th and 19th centuries, the labor was manual, and the number

The two stories of Macbeth and Beowulf have different plot, but hold similar elements. The legend of Beowulf, set in 500 A.D., begins with an evil monster terrorizing the mead hall of Heorot. The monster, Grendel, attacks Heorot with desire for wickedness. For copious amount of years, Grendel slaughters the men by night, each night. Until a hero named Beowulf hears the Geats cries and comes to their rescue. Beowulf arrives and devises a plan to kill the beast at night when he comes to attack the