on Enzymatic Activity: Based on what I know about the effect of temperature on enzymatic activity‚ at 0 degrees Celsius I hypothesize that there will not be much enzymatic activity because 0 degrees is freezing point. At 40 degrees Celsius‚ I hypothesized that there will be low activity. 60 degrees is warmers‚ so there would be some activity there as well. And at 100 degrees Celsius‚ I hypothesized that the temperature would be too hot so the bonds would break‚ causing the protons to lose their
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the first experiment‚ optimal temperature for enzymatic activity was tested. Five clean spectrophotometer tubes wereare necessary with the different temperatures labeled on them using a wax pencil (Blank‚ Room Temp‚ 35 degrees Celsius‚ 45 degrees Celsius‚ and 55 degrees Celsius). Then 1mL of
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Crystalline candies are smooth‚ creamy‚ and easily chewed with a definite structure of small crystals that resemble tiny snowflakes. Examples of crystalline candies are fondant‚ fudge‚ and penuche. When a concentration of sugar is higher than 121 degrees Celsius‚ it is an amorphous or non-crystalline candy‚ these are candies formed from a sugar solution that does not crystallize such as peanut brittle‚ and caramel. The purpose of this lab is to understand how temperature influences the texture‚ and firmness
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toilets and refuse containers. It is also used as an intermediate in the production of other chemicals‚ in the control of tree-boring insects and in the control of mold in tobacco seeds. The melting point of Paradichlorobenzene is about 53 degrees Celsius (127 Fahrenheit). A melting/freezing point is the equilibrium of a solid to a liquid or a liquid to a solid. Materials: The materials used during this experiment are two beakers‚ three-fourths of tap water in each‚ a hotplate‚ a test tube containing
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Temperature (Celsius) V. Post lab questions Postlab Questions 1. Describe the graph. How does solubility change with temperature? As Temperature increases the solubility increases. 2. What is the solubility of potassium nitrate at 50 degrees Celsius? 85 grams 3. At what temperature is the solubility of potassium nitrate 65 g per 100 g of water? 39 degrees Celsius 4. How much potassium nitrate would dissolve in 50 g of water at 60 degrees celsius? 52 grams
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directly toward the sun‚ while the Northern Hemisphere was facing away from the sun. At the beginning of the lab‚ both temperatures at 45˚ S and 45˚ N were the exact same at 22.3˚ celsius‚ because no light source had
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then added an additional 5 cc’s of the sugar/yeast solution to the tube. We then sealed the tube with a piece of parafilm and placed it into a water temperature of 10 degrees Celsius and recorded the time that we put them in. We then repeated that procedure but each time putting the tubes into 20‚ 30‚ 40‚ 50 and 60 degrees Celsius water. After 5-minute intervals‚ up to 20 minutes‚ we measured the amount of carbon dioxide formed in the fermentation tubes by using a ruler and measuring the amount of millimeters
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boiling the mixture to alter the phase of the volatile substance. The researchers used the simple distillation set up to conduct the experiment. 25 ml of The Bar Vodka was used and 7 ml of distillate was collected before a temperature of 95 degrees Celsius was reached. Collected distillate was then subjected to a flammability test to confirm ethanol content. The percent ethanol was computed to be 24%. Introduction Distillation is a method of separation for homogenous mixtures‚ which are composed
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points. Because water freezes at 0 degrees Celsius and boils at 100 degrees Celsius‚ you can mark those two points by putting the thermometer in freezing water and boiling water and marking where the mercury is in the thermometer at that those points. Because there is a 100 degree Celsius difference between those two points‚ you can then measure all of the different numbers on the scale by dividing the scale between those two fixed points. For example‚ the Celsius thermometer usually divides the scale
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common states of matter in order of highest potential to lowest. Gas‚ liquid & solid. e-Lab: Open PhET simulation States of Matter. The beginning of the lab starts with Neon in a solid state at 13 K. (Kelvin (K) is a unit of temperature like Celsius and Fahrenheit). You can heat or cool the substances in the container by sliding the bar on the bucket to Heat (for fire) or Cool (for ice). Slide the bar to Cool and cool the neon to 0 K (this will take a while). The atoms are … not moving. vibrating
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