Investigating How Lactose Increases the Concentration of Glucose Introduction: Lactose is a very useful sugar although it is very useful but it cannot be used in the food products because many people are intolerant to lactose. It has low solubility in compare of monosaccharide sugar and it tend to produce crystals.however lactose is only 20% sweet and sucrose and if it’s intended to be used in foods then a large amount of it was needed to achieve the sweetness in the food. Lactose is
Crime decreases; student population increases in Mission Hill over the past decade "When I first started here, the area was so bad, that we had patrolling guard dogs. Now, the crime has gone down so much, and the neighborhood has become a better place," said Dave Welch, a 30-year resident of Mission Hill, member of the Mission Hill Crime Committee, and head of security for the New England Baptist Hospital, located on top of the neighborhood known as Mission Hill. Mission Hill is located in
and diseconomies of scale Tesco face As businesses grow and their output increases, they commonly benefit from a reduction in average costs of production. Total costs will increase with increases in output, but the cost of producing each unit falls as output increases. This reduction in average costs is what gives larger firms a competitive advantage over smaller firms. This fall in average costs as output increases is known as Economies of Scale. Tesco benefit from economies of scale because
of one good to another involves increasing sacrifices of the first good in order to generate an equal increase of the second good. This is known as the “law of increasing opportunity costs.” The economic rational for the law of increasing opportunity costs is that economic resources are not completely adaptable to alternative uses. The opportunity cost of producing a product tends to increase as more of it is produced because resources less suitable to its production must be employed. Prices
reaction increases the rate of a reaction. At the higher temperatures reactant particles move faster and collide more often and more violently. * Increasing the concentration of reactants increases the rate of a reaction. This is because there are more particles in the same volume so more collisions are possible every second. * Breaking up solids into smaller pieces increases reaction rate because this increases the total surface area. Increasing the surface area must increase the number
of success are increased even further, more reactions take place, which increases the rate of reaction as a whole. Constant: The temperature shall be kept constant by carrying out the experiment in the same room with windows open during both sessions during the course of two days. CATALYST- A catalyst is a substance which increases the speed of a chemical reaction without being used up. Certain catalysts increase the rate of reactions, whereas others are used to decrease the required
These are 1) Concentration. An increase in concentration means there are more particles. More particles means there will be more collisions. 2) Surface Area. Breaking the solid into smaller pieces will increase the surface area exposed to the other reactant. 3) Temperature. Increasing the temperature will cause the particles to move faster. When particles move faster, more collisions occur and the collisions are more violent. This should increase the reaction rate. All of these
Group VII Elements - Halogens The Group VII elements are called HALOGENS. The name Halogen means "salt - former" and is based on the fact that the elements combine with most metals to form salts. (halides) ELEMENT ======= FLUORINE ======== CHLORINE BROMINE ======= IODINE ====== State at 20oC GAS --- GAS --- LIQUID ------ SOLID ----- Colour PALE
solution is increased there are more reactant particles per unit volume. This increased the probability of reactant particles colliding with each other. Pressure If the pressure is increased the particles in the gas are pushed closer. This increases the concentration and that will change the rate of reaction. Surface Area If a solid is powdered then there is a greater surface area available for a reaction, compared to the same mass of unpowdered solid. Only particles on the surface
further away from the plant). The outcome variable which will change as a result of this experiment will be the amount of oxygen made in the experiment due to the amount of light intensity increases (causing the plant to photosynthesise more). Prediction I predict that as the input variable, the light intensity increases (the light moved towards the plant) the outcome variable, the amount of oxygen, produced from photosynthesis will be larger. Plants can absorb and use light energy because they have a
popularity have caused many people to view the substance as an addictive drug. Thus making caffeine the most inexpensive and readily available drug known to man. Then on the other hand there are people who view caffeine as a helpful stimulant that increases the individual’s concentration and awareness as well as many other physical traits. The important thing to remember is that caffeine’s affects vary based on the person, the amount ingested, the frequency of consumption, and individual metabolism
Economic Growth in the United States Economic growth can be defined as increases in per capita real GDP (gross domestic product) measured by its rate of change per year. Growth rates are very important because even a small change can make vast difference in the coming years. The knowledge of economic growth is also important because it can provide the means to allow us to gain valuable insights. According to Robert D. McTeer, president and chief executive officer of the Federal Reserve Bank of
wire is thin, the electrons are forced to travel through a smaller area, therefore colliding more frequently, resulting in them giving up more of their energy to surrounding particles. - Temperature: resistance of the wire increases as the temperature increases, as the atoms are oscillating faster. When an electro collides with an atom, it loses its energy. If the wire cools, the resistance will decrease. - Length of Wire: the longer the wire the larger the resistance, due to
proportional to the potential difference (voltage). Therefore V ¸ I is constant. This means that the resistance of a metallic conductor is constant providing that the temperature also remains constant. Furthermore, the resistance of a metal increases as its temperature increases. This is because at higher temperatures, the particles of the conductor are moving around more quickly, thus increasing the likelihood of collisions with the free electrons. Variables Input: Length of wire. * Material of wire
Fun Games Company Fun Games Company was founded by Avery Rinehart to produce a novelty item marketed under the name Puzzler. Each Puzzler cost the company $14 to produce. In addition to these production costs that varied in direct proportion to volume (so-called variable costs), the company also incurred $4,000 monthly ¡°being in business costs (so-called fixed costs) irrespective of the month's volume. The company sold its product for $22 each. As of December 31, Rinehart had been producing
month of life. As a motor reflex, laughter is usually present by the time a child is 4 months old. By the age of eighteen months, a child smiles once every six minutes, and by four years of age, the rate increases to one smile every one and one-third minutes. The ratio of laughs to smiles increases from one laugh to every ten smiles as eighteen months to one every three smile at four years. The individual differences in the rate of both laughing and smiling become greater as the children grow older
changes within the circuit changes. At the end of this investigation I will come to one of five possible conclusions which are: -the resistance increases as the length of wire increases, or -the resistance decreases as the length of wire increases, or -the resistance is constant as the length of wire changes, or -the resistance increases as the length of wire decreases, or -the resistance decreases as the length of wire decreases. Scientific background: Electricity is simply
Ek Also, the equations for Potential energy and Kinetic energy are stated to get the Total Energy. They are respectively: Ep = mgh and Ek = ½ (m)v2 The Conservation of Energy states that energy is always constant. If potential energy increases then kinetic energy decreases and vice versa. In this experiment we positioned a marble ball on a wooden roller coaster positioned on a physics stand in the sixth hole. Throughout the experiment, we used an electronic timer to record the time of
The U.S. is slammed by growing numbers in population. It seems that many do not think of the long term effects of this increase. This is one of the most significant problems Americans face today, yet no one talks about the problem, when it comes to the debate over immigration. “The current world population is over 6 billion and increases at a rate of 76,570,430 people every year. Since 1950, U.S. population has nearly doubled - growing from 151 million to over 294 million today. If present trends
there must be a potential difference (voltage) across it. As the current continues to flow there are certain factors which increase the resistance; Length of wire: as the length increases there will be a higher percentage of fixed atoms, therefore the electrons carrying the charge will collide more frequently, increasing the resistance Surface Area of wire- As you increase the surface area of a wire the resistance will decrease because the electrons will be able to travel by many different