other hand‚ lactic acid is a waste product of certain bacteria (Lactobacillales)‚ which is utilized to create many dairy products such as yogurt and cheese. In addition‚ humans can resort to lactic acid fermentation when oxygen is limited‚ so it is used as an extra source to obtain oxygen. In our experiment we will be using yeast‚ a single-celled organism that utilizes sugar as a food source‚ and it produces energy substances through the breakdown of sugar molecules. Specifically‚ the type of sugar as
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substance with‚ 1.5 ml of H2O2‚ 1.5ml of H2O and different amounts of enzyme drops‚ to determine how much oxygen gas is produced during the reaction since the pressure of the test tube will get higher as more oxygen gas is accumulated during the reaction. 2) If more drops of the enzyme are added to the substance with‚ 1.5 mL of H2O2 and 1.5mL of H2O‚ the reaction will accumulate more oxygen gas which will lead to an increase of pressure (kpa) in the test tube. It will also affect the average slope
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back into the mitochondrial matrix through an enzyme called ATP synthase. This gives it the energy to allow it to pair an ADP with a phosphate to create ATP. At the end of this process‚ the electrons are transferred to oxygen [O2]‚ which splits oxygen apart into two separate oxygen atoms to come together with hydrogen ions and create water as
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Chemistry •Matter • • • States Properties Classification Chemistry is the study of the composition‚ properties and structure of matter. it is considered “the central science”; blending at one extreme into physics‚ mathematics‚ engineering and sometimes into earth and life Chemistry Is the study of the matter‚ its classification‚ composition‚ properties and structure; the changes it undergoes‚ the energy transformation that goes with the change‚ and the laws and principles governing such changes
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Based on the prompt above‚ “You are going to test your body’s ability to maintain homeostasis. You will test this by monitoring a person in your group’s breathing rate‚ heart rate‚ and qualitative observations” we devised a hypothesis which states that if a person exercises‚ his/her heart rate‚ breathing rate and sweat (qualitative observation) will increase in order for our bodies to maintain homeostasis and control our bodily functions. Based on our experiment we found that in Trial 1 the heart
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“WATER IS A GOOD SOLVENT” Water is very unique in all facets of its nature. The chemical formula for water is H2O as a water molecule consists of two atoms of the chemical element hydrogen (H) and one atom of the element oxygen (O). Water is the most abundant chemical compound on earth as its mass all exists together‚ naturally‚ in its gaseous‚ liquid and solid state. It is the most precious natural resource to man and is essential to life for all discovered living organisms. One of the unusual
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handout attached to the back of lab Observations Table 1: The mL of oxygen produced with increase of catalase 30secs 60secs 90secs 120secs 150secs 180secs Disks: 2 17ml 16ml 21ml 26ml 31ml 35ml Disks: 4 8ml 19ml 27ml 35ml 44ml 53ml Disks: 6 15ml 23ml 32ml 44ml 54ml 65ml Disks: 8 25ml 42ml 70ml 90ml 100ml at 2:20 secs Disks: 10 29ml 58ml 87ml 100ml at 1:46 secs Table 2: The mL of oxygen produced with increase of H202 30secs 60secs 90secs 120secs
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and 45 (cm)) (±0.05) on the photosynthetic rate by counting the number of oxygen bubbles rising up the test tube per minute (bubbles min^(-1)). The hypothesis was supported because as the light intensity increased‚ the rate at which oxygen bubbles rising to the top of the test tube also increased – for example‚ at the closest distance of 5 cm‚ the rate of photosynthesis was at its highest‚ with the optimum amount of oxygen bubbles being produced. At a distance of 5cm‚ the average number of bubbles
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eventually led to the creation of stars and galaxies. Space as we know it was created‚ and is still expanding at a very rapid rate while becoming much cooler. 2.) What is the evolution of Earth’s atmosphere? In particular‚ what has happened to the oxygen levels over the Earth’s 4.6 billion year history? Answer: “Breathe in all the positivity‚ and breathe out all the negativity”‚ these are some words I say when I’m going through anything that is stressful in life. The process of breathing for has
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atomic number = 74)? a) 30.0 g FeWO4 b) 304 g FeWO4 c) 82.6 g FeWO4 d) 188 g FeWO4 d) FeSO4 4. A compound contains 20.2% magnesium‚ 39.8% titanium‚ and 40.0% oxygen by mass. What is the empirical formula of this compound? a) MgTiO b) MgTi2O3 c) Mg2TiO4 d) MgTiO3 5. Which of the following DOES NOT contain 4.00 moles of oxygen atoms? a) 2.00 moles of CO2 b) 128.0 g of SO2 c) 0.40 moles of P4O10 d) 4.00 moles of KClO3 6. A compound has an empirical formula of C2HBr. If the molar mass
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