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drug: cannabidiol
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Describe the preparation of 5 liters of a 0.3 M acetate buffer, pH 4.47, starting from a 2 M solution of acetic acid and a 2.5 M solution of KOH. (pKa 4.77)
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The question is in the attached file.
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Please help
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Chemistry 131
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Consider the reaction of (R)-2-chloro-3-methylbutane with sodium iodide to form a product. 1(a) Draw the reaction scheme with the correct stereochemistry (reactant + NaI → product + NaCl). Circle the
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96.0 g. of a gas occupies 48.0 L at 700.0 mm Hg and 20.0 °C. What is its molecular weight?
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Research Article Summary Paper The structure of a research summary will resemble that of an original research paper. The summary should be double-spaced, written in 12-point font, and limited to two p
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What is the mass in grams of 4.28x 1020 molecules of bromine trifluoride
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I need to design an experiment to solve the following problem. It must not be more than 300 words. An olive oil company has manufactured a few batches of oil in the past month, but one of them has
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Now let’s investigate the relationship between displacement and velocity more closely. For that, we’re going to look at the changing slope of the yversus t graph using Tracker’s Data Tool: Double-clic
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EXPERIMENT 5: FACTORS AFFECTING REACTION RATEThis experiment shows that these factors affecting reaction rate so as to increase or decrease the speed of reaction?Discribe the rate of a chemical reacti
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How much heat in calories would need to be absorbed by 1.5 g of liquid water to raise its temperature by 30.45 °C?The specific heat of liquid water is 1 cal/g°C. Units are required.
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I have attached the questions down below, its organic Chemistry.
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Please I need help it’s hw
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1. A box has dimensions: 1 = 10.0 cm; x = 5.0 cm; h = 2.5 cm determined by a mm ruler. Calculate the volume of the box its absolute uncertainty. 2. A micrometre screw gauge is used to measure the dia
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Answering questions on Small Experiment of Ideal Gas Behaviour Data for results has been provided - please provide full calculations for each step while answering questions. Question are listed on pag
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Answering questions on Small Experiment of Ideal Gas Behaviour Data for results has been provided - please provide full calculations for each step while answering questions. Question are listed on pag
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Answering questions on Small Experiment of Ideal Gas Behaviour Data for results has been provided - please provide full calculations for each step while answering questions. Question are listed on pag
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Answering questions on Small Experiment of Ideal Gas Behaviour Data for results has been provided - please provide full calculations for each step while answering questions. Question are listed on pag
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Answering questions on Small Experiment of Ideal Gas Behaviour Data for results has been provided - please provide full calculations for each step while answering questions. Question are listed on pag
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Zn + CuCl2 = ZnCl2 + Cu 2) Based on this equation, how many moles of copper atoms should be produced per mole of zinc atoms reacted? 3) Based on the actual number of grams of zinc that reacted in
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Answering questions on Small Experiment of Ideal Gas Behaviour Data for results has been provided - please provide full calculations for each step while answering questions. Question are listed on pag
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How many grams of oxygen gas are needed to react completely with 44.2 grams iron
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1. Consider the generalized reaction below. What are the equilibrium concentrations of all substances? Reaction conditions: 1.25L container, 1.0atm, 25oC A2 (g) + BC (s) ⇌ AC (g) + AB (g), Kc = 1.
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SOLVE USING STOICHIOMETRY- FULL QUESTION ATTACHED AS ATTACHMENT FILE -Determine if the 3 astronauts can safely make the trip back to Earth with only the CO2 absorbers contained in the lunar module
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See attached pic
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Please answer all the questions below with the right answers. 1. At the bottom of the screen, choose Three Atoms. 2. Under View, click the boxes so that Bond Dipoles, Molecular Dipole, an
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Answer all the right answers to the questions.
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By the end of this lab, you will determine whether you should add cocoa mix (a solid) before or after heating water (liquid) to make hot chocolate. State a broad question about solubility whose answer
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Please answer all the correct answers from the attachment files. MUST SHOW WORK OF HOW YOU GOT THE ANSWERS!
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A very small Lab Assignment for thermochemistry - main calculation on enthalpy of solutions throughout the experiment Instructions and Data provided in the attached files
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Need help!
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A sample initially contains 15.0 mg of Manganese-56. After 10.4 hours the sample contains 0.938 mg of Manganese-56. What is the half-life?
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propyne and propane are light hydrocarbons produced by thermal and catalytic "Cracking" of heavier petroleumfractions. Propyne and propane have the same boilingpoints, but can be separated by distilla
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A KHP titration lab write up.
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Choose a topic that focuses on principles in physical chemistry. 2) The paper should have a length of 5-10 pages, 12 point font, Times New Roman, and double spaced. 3) The paper should have discussi
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In which solvent do SN2 reactions occur fastest? A. CH3CH2OH B. CH3CO2H C. dimethyl sulfoxide (DMSO) D. cyclohexane
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The atomic number tells you the number of Neutrons an atom has
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Hello, I need this Inorganic Chemistry homework done by 10:30 EST today.
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Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water.what mass of water will be required to react completely with 4 g of hydrogen gas and 34grams of oxygen gas?
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Is it possible to have a reaction where Kc=Kp?
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Consider the balanced equation. PCl3 + 3H2O H3PO3 + 3HCl What is the percent yield of HCl if 42.0 g of HCl are produced from the reaction of 62.0 g of PCl3? Use .
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Draw a visual representation that shows the interactions between the solute and solvent in an aqueous solution of potassium bromide.
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1. Toluene, C6H5CH3, is oxidized by air under carefully controlled conditions to benzoic acid, C6H5CO2H, which is used to prepare the food preservative sodium benzoate, C6H5CO2Na. What is the percent
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) A buffer solution is made by mixing 27.0 mL of 0.14 M HCN with 33.0 mL of 0.095 M NaCN. Calculate the pH of the solution. Determine the change in pH of this solution if 12.0 g of NaCN were added t
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I need help with practical assignment 3(last practical that was due on the 11 October) I need help with question 2.
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Write the reaction you chose (you may use the equation editor if you like). Be sure the reaction is balanced and includes states of matter (phases). How would you classify this reaction? Is there mo
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Can I please have clear and concise explanations. I need help with practical assignment 3 question 2
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Can I please have help with practical assignment 3 question 2. I need clear explanations and mechanisms related to this question. Everything should be in order including names of regeants used, solven
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