Butter lab 1 Introduction: While doing this experiment we used 3 terms. We used cream‚ butter‚ and butter milk. Cream is unhomogenized butter. Butter is what we got after the lab was finished. Butter milk is the milk around the butter after it is homogenized and it is thicker than normal milk. If we shake the cream in a jar than will it turn into butter? If I shake the cream than it will turn into butter because it will homogenized. In this lab you will shake a jar of cream and see if will
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Purifying used cooking oil Members of this Project: Xavier Bagongon Apollo Mesa Angelo Nombre Carl Boltron Shintaro Carbonilla Table of Contents Chapter 1 Introduction………………………………………… 1 Background of the study…………………………. 2 Statement of the problem(s)………………………2 Significance of the study…………………………. 3 Chapter 2 Related literature……………………………………4 Definition of terms………………………………….4 Chapter 3 Flow chart…………………………………………..5 Experimentation (procedures)…………………...5 Chapter 4 Conclusion(s)………………………………………6
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Melting Ice * Salt is routinely used to make icy roads and sidewalks safe in the winter. As soon as the salt comes in contact with the ice‚ the surface of the ice starts to melt. This only works‚ however‚ if the temperature outside is at or near freezing. If it is too cold outside‚ the ice itself becomes very dry and salt is not as effective in melting it. Salt Reduces Freezing Temperature of Water * Salt works by lowering the freezing temperature of water. Salt water needs to reach a colder
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"Diffusion - How atoms move through solids" Diffusion means mass transport by atomic motion. The mechanisms of Gases & Liquids is known as random (Brownian) motion and for solids is known vacancy diffusion or interstitial diffusion. Simply we can define diffusion as‚ the movement of particles in a solid from an area of high concentration to an area of low concentration‚ resulting in the uniform distribution of the substance. (Diffusion chapter 5‚ 2008‚ p.1) Ronald D. Kriz(1999) suggests that
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with distilled H2O 3. Place penny with the Lincoln side up on top of a piece of paper towel 4. Fill pipet with distilled H2O and hold it about 3 cm above the penny 5. Slowly drip the distilled H20 on the penny face and count the drips until the liquid leaks off the edge of the penny on to the paper towel 6. Record the amount of drips 7. Clean penny 8. Repeat steps 3 through 7‚ 3 more times substituting distilled H2O with tap H2O‚ salt H2O‚ and soapy H2O Hypothesis: I think that the 10 drops
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In “To Paint a Water Lily‚” by Ted Hughes‚ the speaker examines the complex aspects of nature by revealing the challenges he faces as an artist in capturing its real meaning. When he looks at the scene‚ he sees an exciting little world of constant movement and activity‚ hidden by the peaceful stillness of the water lilies that float at the surface of the pond. Ted knows that to paint the water lily and do it righteousness requires more than a simple description of the plant itself—he must also somehow
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them to mix if they were not mixed previously. Q-4. How does the diffusion of Honey vary with the diffusion of ink?why? Ink diffuses at a faster rate as compared to honey. This can be explained taking in to account that honey is a more viscous liquid as compared to ink. Therefore the low viscosity of ink allows it to diffuse at a faster rate than honey in a solution. Q-9 Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature ? Carbon-di-oxide
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1.2 158 310 Polystyrene 1.05 104 240 Polyvinyl chloride 1.4 62.5 160-172 Table 1 Properties for five known polymers (Callister 737-775) The melting temperature of a polymer is the point at which it transforms from the solid form to a viscous liquid in which there is little molecular order (Callister 500). This temperature depends on the stiffness of the molecular chain‚ molecular weight‚ and the degree or branching (Callister‚ 502). Chain stiffness is controlled by the ease of rotation about
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box. 3. Attach the stopcock to the tip of the titrator by placing the larger‚ clear‚ plastic end of the stopcock into the tip of the titrator and then twisting the stopcock into place. The stopcock should fit tightly into the titrator‚ so that the liquid will not leak. 4. Stack the textbooks on top of one another or stack two textbooks on top of the LabPaq box. 5. Clamp the test tube holder around the middle of the titrator and slide the long end under the top two books in the stack. Place a sheet
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of the glycerin (l). Dependent Variable: The dependent variable of this experiment is the viscosity s -1 of the glycerin (l). Controlled Variable(s): The controlled variable(s) are: the liquid used‚ the marble used‚ the distance the marble is dropped‚ the volume (mL) of glycerin in the graduated cylinder. The liquid used is glycerin. The same marble is used throughout the experiment‚ and it has a mass of 4.61g±0.01g. The distance the marble is dropped is 24.70 ±0.05cm. The amount of glycerin in the
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