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
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
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
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
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
and services, experience shows that the quantity demanded will increase as the price falls." (Stanlake 155) This characteristic can be shown by a demand curve. A demand curve is a graphical representation of the data in table with values of demand called a demand schedule. A good that is in greater demand do to income increases is known as a normal good. A inferior good is a good that is in less demand even though the income increases. When this situation occurs the demand curve is positive sloping
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
using the metre rule. I am doing an experiment to investigate the see any connections between the braking distance of a toy car and the height of which it is released at. I predict therefore that as the height of the ramp increases the braking distance also increases. To guarantee this is a fair test I plan to only have one thing that changes throughout the whole experiment, and this is the height if the ramp, and everything other then that will remain constant. Diagram of apparatus
concentrations on marble chips (CaCO3) 2HCL + CaCO3 à CaCl2 + CO2 + H20 Hydrochloric Acid + Calcium Carbonate à Calcium Chloride + Carbon Dioxide + Water Increasing the concentration of an acid increases the number of collisions between particles, therefore, the rate of reaction increases. The reaction will start faster in comparison to the speed at the end of the reaction. This is because when the two reactants are first mixed, their concentrations are both at their highest. As the
the negative electrons supplied by the cell. Therefore, for the electrons to flow through the wire, the voltage must increase. The amount of energy contained by the electrons must be greater than that of the free moving electrons in the nichrome wire, so that they can flow freely. As the voltage increases, so does the resistance. As the length of the nichrome wire increases, there is more space for the free moving electrons to move around inside the nichrome wire. This means that as the electrons
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
pensions, usually, served as a supplement to social security benefits. Employers supported Social Security increases because they were considered more economical than private pensions. In order to increase Social Securit... ... middle of paper ... ...bout higher deductibles, reduced benefits, or the probability of a government-run program that many not meet its commitment. The increase in the nation?s savings rate would not only benefit retirees, but would strengthen the economy. Savings would
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
Temperature * Surface area of a solid * Concentration of a solution * Pressure of a gas * By using catalysts * Using biological catalysts called Enzymes As outlined above the rate of a reaction increases when temperature increases, the concentration of dissolved reactants increases, the pressure of gases increases, solid reactants are in smaller pieces and of greater surface area and also if a catalyst is used. For this experiment I have been asked to pay particular attention to the factor CONCENTRATION
during an average lifetime. This investigation will be looking at the effect of exercise on the heart rate. Aim The aim of this investigation is to find out how exercise affects the heart rate, using research & experimenting on changes and increases in the heart rate using exercise. Research â— The heart The normal heart is a strong, hardworking pump made of muscle tissue. It is about the size of a person's fist. The heart has four chambers. The upper two chambers are the right