1) Describe at least three systematic errors that might occur while weighing a solid on an analytical balance. 2) Describe at least three ways in which a systematic error might occur while using a pipet to transfer a known volume of liquid

Q: What percentage of reactant will remain after 120 seconds if the half-life is 60 seconds for a…

A: Given, First order reaction, Half life (t1/2) = 60 s % of Reactant remain after 120 s = ?

Q: Each sketch below shows three objects with an electric charge. In each case, decide whether there is…

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Q: Assign Oxidation States To All Elements: 0 Mg (s) + 22 Cuo + (s) +3-2 Fe₂03 (s) +1+5-6 AgNO3(aq) + 3…

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Q: What is the molality of a 32.5% HCIO4 solution? The density of this solution is 1.67 g/mL. 5.40 m…

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Q: What mass of KH2PO4 (Mr = 136.09 g/mol) is required to prepare 10.0 mL of a 1.00 M aqueous solution?

A: Given, mass of KH2PO4 = ? Molarity of the solution = 1.00 M = 1.00 mol/L Volume of the solution =…

Q: 2. For the following three step conversion of A to B, the appropriate sequence of reactions is A OH…

A: PCC stands for pyridinium chlorochromate and is a reagent used in organic chemistry for the…

Q: Give the IUPAC name for the structure below. OH yeo

A: Since, According to Cahn-Ingold-Prelog rule- 1) More atomic number having more priority.2) If first…

Q: 1. Predict the products and/or intermediates of the following reactions: E CsF A G Cl₂ H₂SO4 D SiO₂…

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Q: b. How many sources of induction does the following secondary carbocation have? How many sources of…

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Q: 9) Blast furnaces give off many unpleasant and unhealthy gases. If the total air pressure is 0.99…

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Q: From complex ions [NiC14]2- and [Fe(CN)6]¹. 1) i) Construct the crystal field energy level diagram…

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Q: 3:15 PM Mon Feb 6 Question 12 of 16 Ethanol (C₂H5OH) has a vapor pressure of 93.0 torr and a density…

A: Given Density of ethanol = 0.785 g/ml Vapor pressure of ethanol (Pe°) = 93 torr Volume of ethanol =…

Q: Suggest a mechanism for breaking one of the following compounds in mass spectrometry, with…

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Q: Draw Newman projections for all eclipsed and staggered conformers for this molecule along the…

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Q: What is the concentration of A after 74.3 minutes for the reaction A- Products when the initial…

A: Given : time = 74.3 minute      Initial concentration= 0.800 M      K = 0.00651 M/min  Tip : apply…

Q: Br N+40-OHOD H2 + H²H-0=40

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Q: Carbocations are carbons bearing a formal positive charge. a. Carbocations can be stabilized by…

A: Carbocation means carbon having positive charge

Q: How many mL of a 19.0 M NaOH solution is needed to make 250.0 mL of a 0.125 M? 25.0 mL 3.52 mL 2.75…

A: The given data is as follows: The concentration of stock solution M1= 19.0 M The volume of stock…

Q: Calculate AG for the following reaction at 25 °C. 2C₂H (g) + 70₂(g) → 4CO₂(g) + 6H₂O (1) - Be sure…

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Q: Complete the table below for calculating the formula weight of the compound cyclohexane, shown in…

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Q: need help with intro to chemistry.... When water from a dam is used to generate…

A: When water from a dam is used to generate electricity,______________________

Q: 15.2 For each alcohol, give all combinations of Grignard reagent + carbonyl that will give the…

A: All the given reaction is nucleophilic addition reaction .

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A: Explanation (a) Lipid that commonly forms waterproof barrier and is composed of a fatty acid and a…

Q: 17. Determine the rate law for a reaction that produced the following data. [A] (M) Initial rates…

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Q: 1. Classify each of the following as a primary, secondary, or tertiary alcohol: CH₂CH, T CH₂CH₂COH…

A: Here, we have to classify the given alcohols as primary, secondary, or tertiary alcohol.

Q: List three main types of crystal structure systems in metals, and illustrate the main differences…

A: The three main types of crystal structure systems in metals are Body-Centered Cubic (BCC),…

Q: Mercury compounds are very poisonous. Mercury(II) nitrate reacts with sodium sulfide to form…

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Q: The heat of combustion of glucose, C6H12O6, is 670 kcal/mol. The heat of combustion of ethanol,…

A: The heat of combustion of glucose, C6H12O6, is = 670 kcal/mol The heat of combustion of ethanol,…

Q: Calculate the theoretical yield of 2mL of vegetable oil saponification reaction with 2mL of 6M NaOH…

A: Explanation The theoretical yield of a saponification reaction can be calculated by considering the…

Q: Pressure (atm) A phase diagram for elemental carbon is shown below. Starting at carbon gas, which…

A: Answer: In solid state carbon has two allotropic forms graphite and diamond and these solid forms…

Q: is heptane is layer upper in liquids

A: Heptane is a colorless, flammable liquid with a strong, gasoline-like odor. It is commonly used as a…

Q: draw the vsper diagram for the following Fe(SCN)^2+(aq) [Co(NCD)^4]^2-(aq) Ni(SCN)2 [Cu(NCS)2(s)]

A: According to the VSEPR theory, the shape of the molecules is determined from the number of electron…

Q: A reservoir is leaking water at a rate of 3.66 ml every 4 min. Provided that this water reservoir…

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Q: Convert the following from mg/L as CaCO3 to mg/L as the ion or compound. a. 29.50 mg/L CO₂ d. 58.00…

A: Answer       Given that  D) 58.00mg/LH2PO4 E) 66.50mg/LCl-

Q: se Henry's law and the solubilities given below to calculate the total volume of nitrog- at should…

A: Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and…

Q: Select all correct statements. он 0 t-Bu H t-Bu H t-Bu H t-Bu H H t-Bu t-Bu t-Bu t-Bu H t-Bu H t-Bu…

A: If both of the tert-butyl groups are present on the same side of the ring the geometry will be cis…

Q: 3.Some review from previous chapters, some new (i.e. you may need to use older reactions) Show how…

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Q: The compound sodium nitrate, NaNO3 is soluble in water. Write the formulas for the ions that…

A: We know that in water, due to electro negativity difference, the oxygen has partial negative charge…

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.161. What is the…

A: Given: The mole fraction of the solute = 0.161 The vapor pressure of pure benzene = 26.5 torr We…

Q: Write a molecular, an ionic and a net ionic equation for the neutralization of reaction of LiOH with…

A: Given that the neutralization reaction between LiOH with HBr. The molecular, an ionic and a net…

Q: 4. Draw the products of each Lewis acid-base reaction. Label the electrophile and the nucleophile:…

A: Electrophile is an electron deficient species and can accept an electron pair from electron rich…

Q: 68.58 km/my to cm/yr

A: 1 km = 1000 m 1 m = 100 cm 1 km = 105 cm 1 my = 1000000 yr

Q: a. Calculate the molality of a solution prepared by dissolving 15 grams of ethylene glycol…

A: Given  Volume of water = 100 ml Density of water = 1.00 g/ml Mass of ethylene glycol= 15 g

Q: Calculate the mass of potassium hydrogen phthalate (KHP), KHC8H4O4 needed to react completely with…

A: Given -> Volume of NaOH = V1 = 20.00 ml  Molarity of NaOH = M1 = 0.10M  Molar mass of KHP = 204.2…

Q: Calculate the amount of BSA protein added to each of the tubes

A: Solutions-   The amount of BSA protein added to each of the tubes.

Q: Macmillan The temperature of a sample of iron increased by 23.7 °C when 261 J of heat was applied.…

A: Amount of heat,Q required to raise the temperature of a substance of mass ,m and specific heat…

Q: Enter the units of r  when the amount is measured in mol L-1 and time in min (use the backslash /…

A: Answer: Power of concentration term or pressure term of a reactant in the rate law is the order of…

Q: A 130.3 g piece of copper (specific heat 0.380 J/g. °C) is heated and then placed into 400.0 g of…

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Q: 1. Complete the following paragraph by placing the appropriate words in the blanks on the right.…

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Q: Show the major product for these organic reactions. (will upvote) (b) (c) (d) CI NO₂ CI (1) NaOH,…

A:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.