How many atoms are contained in 18.50 mL of water (d = 0.997 g/mL)?

Q: 10ml of 20% (w/v) L-arabinose stock (weight/volume). How much L-arabinose do you need to prepare…

A: b.) To calculate the weight of L-arabinose , we would use (w/v) % formula and use the given…

Q: Use the dropdowns to indicate whether each of the following statements is True or False. An element…

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Q: netic will have ____________ electrons. 2. When two sets of two p orbitals on different atoms…

A: Concept Introduction: 1. We know that for any magnetic active material an important thing is the…

Q: Complete the equation for the dissociation of K₂PO4(aq). Omit water from the equation because it is…

A: Unbalanced dissociation reaction for K3PO4 is K3PO4 (aq) ---->K+(aq) + PO43-(aq)

Q: Determine the mass in grams of CO2 that are produced by the complete reaction of 10.49 grams of…

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Q: 2. 0.100 g of NaCl was dissolved in 1.500 L of DI water. Express the concentration of Clin this…

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Q: A.2-Write the name of the following compounds a) CH3-CH-CH₂ b) CH-CH-CH-CH₂ c) H-CC-H d) D CH₂…

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Q: Show your calculations for the following questions, the initial amount of compound is 5 g and its…

A: Partition coefficient=6.5 Mass of compound=5 g Volume of solution=50 mL

Q: Identify examples of incorrect curved arrow notation to generate resonance forms.

A: Resonance structures are sets of Lewis structures that describe the delocalization of electrons in a…

Q: Use the equation for the net reaction that occurs in photosynthesis. 6 CO2 + 6 H2O → C6H1206 + 6 02

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Q: 1. Name and draw the isomers form from the given molecular formula. a. C₂H16 b. C₂H₂Br₂ 2. Draw the…

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Q: Select the symbol for an isotope with 78 neutrons and 53 protons. 53 131 O3Pt 53 O 53 131 53 Submit…

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Q: Draw as many structures as for the formulas below using notation. Determine what the degree of…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Which has more hydrogen ions, grapefruit juice (pH = 3) or tomato juice (pH = 4) and how much more…

A: structural isomers have same molecular formula but they have different bond connectivity of atoms.…

Q: The molar mass of glucose is 180.2 g/mol. How many grams of glucose will be produced when 132.0g of…

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Q: Identify if the mentioned events underwent either chemical or physical cahnges

A: Physical changes are the changes in which there is change in form of the substance  means change in…

Q: For a given liquid a plot of the lnP versus 1/T gives a straight line with a slope of -2829 K. What…

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Q: If a single spot divides into 3 unique spots during a paper chromatography experiment,  how many Rf…

A: Here we are required to find number of Rf that can be calculated when a single spot divide into 3…

Q: Solve the following using dimensional analysis. Report your answer in proper number of significant…

A: Significant figures of a number can be defined as the figures that are required for indicating…

Q: Use any available resources (textbook, internet, etc.) to find the USEPA MCL for nitrate (NO3). Be…

A: MCL stands for Maximum Contaminate Level which could be defined as the legal limit for the…

Q: Given the following sugar, C=0 H-C-OH HO-C-H H-C-OH H-CIOH CH₂OH How many stereoisomers are…

A: The molecules with the same molecular formula but different structures are known as isomers. If the…

Q: Write a balanced equation for each of the following reactions. Show all possible products and write…

A: cyclobutane is a hydro carbon compound. In combustion reaction, oxygen gas taken as reactant and…

Q: In the Infrared spectrum of Ethanol shown what stretch/bend is responsible for D? Select one: a. %T…

A: We are given the IR spectrum of ethanol, CH3CH2-OH. We have to annotate the IR spectrum and find out…

Q: Draw the chemical structure of arabino-oxazoline (without stereochemistry). Do not include unshared…

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Q: bo Assuming 100% dissociation, calculate the freezing point (T) and boiling point (Th) of 3.07 m…

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Q: Which of the following statements is the law of definite proportions? a. All elements in a compound…

A: we have to determine the true statement for the law of definite proportions

Q: You and a friend are out collecting samples in a swine lagoon and run a chemical analysis and…

A: Given : Redox Couple - Sulfide/Sulphate  & Nitrate/Nitrogen gas Concentration of Sulfide = 300…

Q: 1.13 For each of the following molecules, determine the number of carbon atoms present and then…

A: In this question, we have to determine the number of carbon atoms present and number of hydrogen…

Q: Rank the following structures in the order of INCREASING energy of nonbonding electrons. NO H I H…

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Q: Compute for the following problems stated below. Upload your computation for each problem. Express…

A: RSD stands for Relative Standard Deviation. RSD tells us how precise the average of our results are.…

Q: Hi I need help answering these 2 questions

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Q: 1. How many phases are present at each of the points a-d indicated in the phase diagram (for a pure…

A: A question based on phase diagram that is to be accomplished.

Q: You have a stock of Rubisco at the concentration of 100 µg/mL. For your experiment you need 500 µL…

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Q: Consider the structure shown in Figure 1. If you move a pair of electrons from the oxygen atom to…

A: The description of delocalization of electrons in the same structure, when a single structure cannot…

Q: K Draw all of the stereoisomers of octane-3,5-diol. Use a dash or wedge bond to indicate…

A: Stereoisomers are the isomers which have same molecular formula same connectivity but different in…

Q: Compute for the following problems stated below. Upload your computation for each problem. Express…

A: Values obtained by group are as follows: 99.5 99.9 99.7 96.9

Q: Q16: Consider the following diagram that represents Gibbs energy changes (in kJ/mol) as the…

A: Since, you have posted a question with multiple sub-parts , we will solve first three sub - parts…

Q: propylamine CH3CH2CH2NH2, even though both compounds have the same molecular

A: Solution: We know in organic compounds the stability mainly depends on the types of interaction…

Q: 3. Ethyl acetate boils at 77.1oC. Butyl acetate boils at 1260C. Classify each of the fractions below…

A: The nature of solution can be determined from their boiling point range.      Note : Since you have…

Q: A certain first order reaction is 45.0% complete in 65 s. Determine the rate constant and the…

A: formulas are for first order reaction: ln [A]0[A]t=K × t half life = 0.693K

Q: Part 1. Write the correct systematic or IUPAC name of the following organic compounds. 1. 3. 2. H₂C…

A: Here, we have to write the IUPAC names of the given compounds.

Q: Atom A Atom F NH Atom E HO Atom B Atom D H N F CH3 Atom C molecule 1

A: Functional group is atom or group of atoms which has special properties.

Q: Please find the volume of 0.1 M citric acid stock solution required to make a 50.00 mL working…

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Q: Chemistry The spreading coefficient of a liquid on water has an initial value of +40 and an…

A: Spreading coefficient: The capacity of one liquid to expand over another could be measured in terms…

Q: Rank the following mass measurements from smallest to largest: 1,034 μg 0.000045 kg 23.6 mg 0.34 mg

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Q: he minerals magnetite (Fe302) and hematite (Fe2O3) xygen. exist in equilibrium with atmospheric a.…

A: For any gaseous reaction at equilibrium,aA(g)+bB(g)⇌cC(g)+dD(g)the equilibrium constant at constant…

Q: Chemistry What is the oxidation number for C1 in fructose…

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Q: How does decreasing the total energy of the system affect the stability of the pair of atoms in the…

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Q: مهر The most abundant peak in the mass spectrum for the molecule below would probably be at what…

A: The molecular formula of the species is C6H14O (MW = 102 u)  The molecule is a secondary alcohol.

Q: 1. Suppose that you weigh out 6.95 g of CuSO4.5 H₂O at the beginning of the experiment. How many…

A: Given, mass of CuSO4.5H2O = 6.95 g moles of Cu2+ in the sample = ? Note: molar mass of CuSO4.5H2O =…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.