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As the temperature of a substance increases, its molecules move faster and therefore take up more space. This generally causes a substance to increase in volume when heated.

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Which statement best describes the relationship between activation energy and rate of reaction? Increasing the activation energy can increase the rate of a reaction. Reducing the activation energy can increase the rate of a reaction. There is no relationship between activation energy and rate of a reaction.

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Describe the relationship between the amount of O2 consumed and time. This means their relationship is a directly proportional relationship-- the more time passed, the more oxygen What is the effect of temperature on the rate of cell respiration in the peas? Why do you think this is?

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select, summarise and describe the most important information. Line graphs typically show trends. A trend is a movement of data in a general direction over time. On a line graph, trends are represented by the direction of the lines. Trends can be upward or downward or they can remain at the same level.Human respiratory system - Human respiratory system - Transport of oxygen: Oxygen is poorly soluble in plasma, so that less than 2 percent of oxygen is transported dissolved in plasma. The vast majority of oxygen is bound to hemoglobin, a protein contained within red cells. Hemoglobin is composed of four iron-containing ring structures (hemes) chemically bonded to a large protein (globin ... While it is convenient to describe the flow of blood through the right side of the heart and then through the left side, it is important to realize that both atria and ventricles contract at the same time. The heart works as two pumps, one on the right and one on the left, working simultaneously.

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Cellular Respiration Process. Explains molecular processes cells use to make energy in the presence of oxygen. % Progress. MEMORY METER. ShowHide Details. Description. Covers location and the chemical steps of cellular respiration. Learning Objectives.Concluding that temperature and respiration rates are directly proportional and have a direct relationship to each other. From this experiment, it can also be concluded that the germinating peas that were undergoing the process of cellular respiration had a much higher oxygen consumption rate than the consumption rate in non-germinated peas and ...

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Students will describe the characteristics of sound waves and their movement through different mediums, apply the use of sound waves to map the ocean floor, and analyze the relationship between the speed of sound in water and temperature. Students will also illustrate the uses of acoustic monitoring in the global change research. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and odorless diatomic gas with the formula O 2. Diatomic One of the first known experiments on the relationship between combustion and air was conducted by the 2nd century BCE Greek writer on...

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Dec 08, 2015 · Get an answer for 'Describe the relationship between temperature and kinetic energy.' and find homework help for other Science questions at eNotes Can oxygen help with oxygen deficit and oxygen debt? Available in a handheld, portable oxygen can, Oxygen Plus is easy to slip into your gym bag for those hard-hitting workouts. The active ingredient in Oxygen Plus is pure recreational oxygen...

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Build your own desert ecosystem in this online PLUM LANDING game. Add plants and animals to create habitats and balanced food chains in this environment. Take a closer look at this example - some parts of coastal Norway have an average temperature of -2°C in January and 14°C in July; while places at the same latitude on the Pacific coast of Alaska are far colder: -15°C in January and only 10°C in July.

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stage of fuel consumption parallels a raise in the starís core temperature. Neon fusion begins when the starís core temperature reaches one billion degrees Kelvin followed by oxygen at 1.5 billion degrees Kelvin. Silicon fusion does not begin until the starís core temperature reaches an amazing 3 billion degrees Kelvin. Its temperature is then gradually raised, and an ignition source is passed over the top of it at intervals. Once the substance “flashes” or becomes ignited, it has reached its flash point. Closed cup flash point testing is conducted inside a sealed vessel and the ignition source is introduced into the vessel.

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Of note, this research demonstrated that cooking methods might contribute to diabetes risk beyond the effects of meat consumption alone. [14] Learn more about this study. More evidence that the source of protein matters comes from a 20-year study that looked at the relationship between low-carbohydrate diets and type 2 diabetes in women. This name is convenient for talking about organisms in the water that make their own food, but does not reflect any relationship between the cyanobacteria and other organisms called algae. Cyanobacteria are relatives of the bacteria, not eukaryotes, and it is only the chloroplast in eukaryotic algae to which the cyanobacteria are related. Click here to see our latest technical engineering podcasts on YouTube.. Process fundamentals. The cutting process is illustrated in Fig. 1.Basically, a mixture of oxygen and the fuel gas is used to preheat the metal to its 'ignition' temperature which, for steel, is 700°C - 900°C (bright red heat) but well below its melting point.

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2.2.15 Discuss the variability of maximal oxygen consumption in selected groups 2.2.16 Discuss the variability of maximal oxygen consumption with different modes of exercise Numerous studies show that you can increase your VO2 max by working out at an intensity that raises your heart rate to between 65 and 85% of its maximum for at least 20 ... Other factors: Temperature? Amount of light present? Concentration of oxygen? It is customary to describe biodegradable organic matter in terms of its equivalent oxygen consumption potential The "ultimate BOD" is the amount of oxygen required to decompose all of the organic material after...

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Jan 23, 2006 · But when oxygen is limited, the body temporarily converts pyruvate into a substance called lactate, which allows glucose breakdown—and thus energy production—to continue. Apr 01, 2016 · The temperature of the column does not have to be above the boiling point because every compound has a non-zero vapor pressure at any given temperature, even solids. That is the reason why we can smell compounds like camphor (0.065 mmHg/25 o C), isoborneol (0.0035 mmHg/25 o C), naphthalene (0.084 mmHg/25 o C), etc. Seattle, Washington; Contact Us; Employment; My UW

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Oxygen is highly electronegative and pulls the electrons closely creating a partial negative charge. The polarity of water (and the corresponding hydrogen bonds) create cohesion, adhesion, capillary action, high specific heat, and a universally good solvent. May 04, 2008 · The pressure of a gas of fixed mass and fixed volume is directly proportional to the gas s absolute temperature.Simply put, if a gas s temperature increases, then so does its pressure if the mass and volume of the gas are held constant. a particularly simple mathematical form if the temperature is measured on an absolute scale, such as in kelvins. Thus "consumption" means the bundle of goods and services people consume. This consumption also has an associated price, which we call the price The slope of the budget line depends not only on the nominal interest factor but also on prices this year and next year. Suppose the price of a unit of...

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Long-term relationships may not have the fireworks of adolescence, but are stronger for it, because of the wealth of shared experience. At work, many of us are challenged and stimulated by the increasing, professional skills we acquire, which ensures that our jobs remain interesting.

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Take a closer look at this example - some parts of coastal Norway have an average temperature of -2°C in January and 14°C in July; while places at the same latitude on the Pacific coast of Alaska are far colder: -15°C in January and only 10°C in July.