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I need help with this lab ASAP
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questions below
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Chemistry
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A gas mixture consisting of hydrogen and carbon dioxide has a volume of 137.373 cm³ at 1.438 °C and 0.924 atm. The mixture is cooled to - 200 °C and the carbon dioxide solidifies. The hydrogen is rem
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The explosion of nitroglycerin, CHS (NO3)3 , is chemically speaking an instantaneous decomposition of a fairly complex compound into several gases, including nitrogen and water vapor. How many grams o
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Help me with question 5 ...how do I find the number of gauche interactions?
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The volume of a gas is 32.5 mL at 29oC and 0.994 atm. What will be the volume if the temperature decreases to 25oC and the pressure increases to 0.998 atm? A sample of neon gas has a volume of 275 m
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A chemist wants to extract copper metal from copper chloride solution. The chemist places 1.50 grams of aluminum foil in a solution of 14 grams of copper (II) chloride. A single replacement reaction t
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Be + F => BeF2 Name the ionic compound - ___________________________
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(a) Of the three substances in the equation, let’s choose O2 as the reference because its coefficient is 1. For every molecule of O2 that disappears, two molecules of H2 disappear. Thus, the rate of [
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I would like to get help to make short discussion report of experiment: Elimination Reactions and Gas Chromatography. This is my question: Do the GC results match with the expected product distributio
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h-c triple bond c-h to ch3ch2-c triple bond c-ch2ch3
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You’re hanging out at your friend’s house (with masks on obviously) and open the fridge to get a soda. There’s Pepsi, Mountain Dew, Sprite, and a few other soft drinks. But you have high-class tastes
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QUESTION 1 Define a genetic mutation.Analyze and describe the different types of genetic mutations and their effects. Then discuss, in detail, the role played by DNA and RNA in genetic diseases.Assess
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Chemistry
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I need help with my science home work lol
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Grignard reagent Normal 0 false false false EN-IE X-NONE AR-SA /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-st
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The question is in the file attached below
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Chemistry
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What intermolecular force is broken when CH3OH boils?
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Chemistry
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Chemistry questio.
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A student was asked to determine the purity of a contaminated sample of Ammonium chloride. A sample of 5.0 g was warmed with 100 cm3of 1.00mol dm-3sodium hydroxide solution. After all the ammonia h
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QUESTION 1 research the causes of coronary artery disease. On the basis of your research, respond to the following: tate the chemical composition of the sterol present in high levels in most people w
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I don’t know what to do
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What number of atoms are in 3.89 mols of No2?
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Using the 694 nm ruby laser, the doctor would appy a 80 nanosecond pulse with an energy of 4 J/cm^2 to a spot size of 8 mm^2, how many photons per second are being emitted from the laser?
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I don't understand how to interpret my results.
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Please help
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QUESTION 1 What is lactated dehydrogenase, and how is it used in the reduction of carbonyl groups?Explain the manner in which the isoenzymes of LDH can be used as diagnostic tools. Choose one other di
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How many miles of A3B2 would be produced from 20 moles of AD, if CB was in excess?
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7) The balanced homogeneous vapor-phase reaction, A + B <→X+Y, has an equilibrium constant, Ke, equal to 997 at 472 K. At equilibrium a) products predominate b) reactants predominate c) roughly eq
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what is the volume of a liquid that has a specific gravity of 1.6 and a mass of 145g? the answer is 90.6 mL but I’m wondering why is it in 3 sig Fig shouldnt it be 91 because specific gravity has 2
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Go to the Slightly Soluble Salts tab. Choose a salt from the dropdown menu to the right. Mouse over the salt shaker and move your mouse up and down while clicking the left mouse button to add the salt
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I need help answering questions 1-7. I have provided all the data needed
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Chemistry
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Draw line bond structure of 7-bromo-4,6-dichloro-2,5-dimethylnonane
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Chemistry
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The rate constant k for a certain reaction is measured at two different temperatures: Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy Ea for this reaction. Rou
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I would like to make a formal report for my organic chemistry experiment.
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Please help me with this biochemistry assignment. Thank you!
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1.What are the basic features of ionic and covalent bond? 2. How does electronegativity determine bond polarity? 3. Distinguish clearly between ionic and molecular substances. 4. Why is resonance an
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Chemistry
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In the reaction A → products, at t = 0, [A] = 0.1565 M. After 1.00 minute, [A] = 0.1498 M and after 2.00 minutes, [A] = 0.1433. (a) calculate the average rate of the reaction during the first minute
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3-ethyl-4-methylhexa-1,3-diene undergoes a combustion reaction. For this reaction, the following concentrations were used: [O2] = 0.06 M, [CO2] = 0.09 M and [H2O] = 0.10 M. Determine the concentra
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I would like to get help to make formal report of this experiment.
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Chemistry
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question 1 What are the differences between alkanes, alkenes and alkynes?What are the differences between cis- and trans-isomers of alkenes?How are cis-trans isomers used for night vision?c question
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Can you help me find Q? Thank you!
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I need help on doing this chemistry assignment, i dont even know where to start.
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If 75.0 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.640 g of precipitate, what is the molarity of silver ion in the original solution?
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Chemistry
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Calculate the mass (in pounds) of carbon dioxide and carbon monoxide emitted by burning a gallon of gasoline. Although gasoline is a mixture of many components, simplify the calculation assuming the g
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Why do temperature, velocity, and smoke concentration affect firefighting?
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Why do temperature, velocity, and smoke concentration affect firefighting?
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complete the reaction showing major projects.
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15cc of liquid elemental mercury, how much would that weigh in pounds?
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Question 1 Why and how does atomic nuclear decay take place? Explain, being sure to address different types of decay.What is the significance of atomic nuclear decay? (How is it used to our advantage?
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Create slides of 5-6 pages excluding title for a 5 pages research journal
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