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Q: grams

A: Given , the reaction is NaIO3 + 6 HI →3 I2 + NaI + 3 H2O  We know ,  Number of mole = Mass /  Molar…

Q: A cumulene has double bonds directly connected to each other. Identify all the atoms that must lie…

A: Given structure of cumulene is :  In cu Identify all the atoms that must lies in the same plane ?…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided resonance structures,…

A: The arrows pushing mechanism can be shown as:

Q: Show all  computations  and  express final answer in  sig  fig  and  scientific  notation.  Box  out…

A: Given,9.55 g/mLRequired,                   Conversion of g/mL into centigram/dm3 .

Q: The density of gasoline is 0.65 g/mL. What is the mass in pounds of 45.0 L (about 12 gal) of…

A: Since, Density of the liquid is the ratio of mass to the volume of that liquid. Thus,

Q: . A box is 252.50 cm wide, 18.25 cm tall and 6.50 cm deep. Calculate the volume of the box in…

A: Given=> A box having:-       Length (L) or tall=>18.25 cm         Width (W)=>252.50 cm…

Q: 2.Given the information that each visible transition ends at the 1st excited energy level (n=2),…

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Q: Write the structural formula of the following ALKENES: (NOT SKELETAL FORMULA) 1,2-butadiene…

A: Structural formula of 1,2-butadiene is as follows:

Q: access important values if needed for this question. The reaction of nitrogen dioxide with fluorine…

A:

Q: An average gas fireplace uses about 200 gallons (760,000 cm3) of propane gas per year. Assume that…

A: We would use ideal gas equation to calculate the mass of propane used .

Q: You have a semipermeable membrane that rests at -70mV. You also have three ions that have…

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Q: Draw the structural formula of the following compounds. 2,3-dibromo-1-pentene 1- 2- Hex-4-en-2-ol 3-…

A: Rule to draw structure-1) First make carbon skelton by using parent name.2) Then after attached the…

Q: Objectives I. Determine the number of subatomic particles of an atom given its mass number and…

A: Here we are required to determine the number of subatomic particle of atom.

Q: Consider the following reaction: 2+ CaCO3 (s) + 2H3O+ (aq) ⇒Ca²+ (aq) + CO₂(g) + (aq) What will you…

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Q: What is the molecular formula of the molecule shown below? 1. C₂H₁2O 2. C₂H₁10 3. C₂H₂O 4. C₂H₂O 5.…

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Q: Copper reacts with H2SO4 based on the following equation:                   2Cu +H2SO4 = CuSO4 + H2O…

A: So the first step is find out the limiting reagent from the reactants as the limiting reagent will…

Q: Is one anomaly enough to disprove a hypothesis? If not, how many are? Why is it important that…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: (a) . OH محمد (q) HO 0 (d) ت -COH compound?

A: Nuclear magnetic resonance spectroscopy is branch of chemistry in which we deal with shielding and…

Q: 'H NMR spectrum (300 MHz, in CDCI) (quartet, H) 4 80 0 ppm "C NMR spectrum (75 MHz in CDC13) 0 ppm…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

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Q: h ²d e ³a cid H

A: Organic reactions are those in which organic reactant react to form organic products. Pericyclic…

Q: 2. Calculate the density of an irregularly shaped solid if its mass is 50.2 g and its volume is 5.0…

A: Given,       Mass of solid = 50.2 g       Volume of solid = 5.0 ml       Density of solid = ?

Q: vanadium crystalizes in a body centered cubic structure and has an atomic radius of 131 pm.…

A: The density of the vanadium crystal is given by: density of the vanadium is = mass of vanadiumvolume…

Q: Draw the skeletal structure of butan-1-amine from the condensed formula (shown below).…

A: Answer: Given compound is a primary amine compound containing 4 carbon atoms, 1 nitrogen atom and 11…

Q: OH қ OH -Ph Ph H₂SO4 Ph Ph

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Q: What is the pH of a solution containing 7.41 x 10-2 hydroxyl ions?

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Q: CCicioalkanes CI Complete the issued, calculated and geometric structural formulas for the following…

A: The name of the cycloalkanes would be written as per the number of Carbon atoms.  In expanded…

Q: Describe how you would prepare 200 ml (total volumn) of a solution that is 50% acetic acid by…

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Q: In a dry test tube, put enough cane sugar to make a layer about 1⁄4 inch deep. heat the tube in the…

A: During the hearing process of cane sugar in test tube, sugar first melts, then turns brown, and…

Q: 15. What is the entropy change for ice melting, given that the enthalpy of fusion is 6.02 kJ at…

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Q: What is procedure in extraction of beta-carotene from carrot.

A: Extraction is a technique which is used to  a substance from a mixture. It is the first step to…

Q: . How can the water displacement method be used to measure solid? the density of tan…

A: Water displacement method is a method that is generally used to calculate the volume of any solid .…

Q: Consider a hypothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some…

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Q: 3. On the following titration curve label the equivalence point and the pka(s). PH 12.0 10.0 8.0 6.0…

A: Answer: This question is based on acid-base titration where amino acid is being titrated against…

Q: Suppose a biochemist has 10 mL of a 1.0 M solution of a compound with two ionizable groups at a pH…

A: Given in following question

Q: are substances that release hydrogen ions.   Question 3 options:   a)  Basic substances   b)…

A: In solutions, basic substances release hydroxide (OH- )ions.  Neutral substances have equal amount…

Q: 3. Gases-ex: helium gas is colorless, no smell, fills an entire balloon, no taste, makes my voice…

A: A question based on general chemistry that is to be accomplished.

Q: The rate law for the reaction NO₂(g) + O₂(g) → NO(g) + 03 (g) = k[NO₂][0₂] is given by rate = k If…

A: According to the question we have a chemical reaction            NO2(g) + O2(g) → NOg + O3g The rate…

Q: 85.0-kg person is exposed to 419 rad of radiation. How many joules did this person absorb?

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Q: For a certain hydrocarbon gas, 20.0 mg exerts a pressure of 24.7 torr in a 500-cm3 vessel at 25…

A: Ideal gas equation is  PV =nRT  P = pressure of hydrocarbon gas = 24.7 torr = 0.0325 atm  V = volume…

Q: 5. Lance obtains a silvery metallic unknown. He weighs the metal and finds that he has 60.55g. When…

A: Given,The weight of metal = 60.55 gVolume of water in the graduated cylinder = 25.2 mLThe final…

Q: 1. A graduated cylinder is filled with 11.21 mL of water. A student adds 10 coins to the graduated…

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Q: 14 If you are making 100 mL of a 0.1 M HEPES buffer starting from HEPES in the basic form, is it…

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Q: Draw the skeletal structure of butan-1-amine from the condensed formula (shown below).…

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Q: A chemical engineer is studying the rate of this reaction. 2NH3(g) → N₂(g) + 3H₂(g) - She fills a…

A: •Here graph is given for Concentration NH3 V/s time. •Concentration=>x-axis •Time=>y-axis…

Q: The hydrogen atomic emission lines in the Balmer series are 656.2 410.1 nm... at what wavelength do…

A: The wavelength of line for the Balmer series is given to be 656.2 nm, 486.0 nm, 434.0 nm, 410.1…

Q: What is the pH of a solution containing 7.41 x 10-2 hydroxyl ions?

A: The hydroxyl ion concentration [OH-] = 7.41 x 10-2 M Now, pOH = -log[OH-] = - log 7.41 x 10-2…

Q: For each reaction below, identify the acid and the base нсон -о-н н CI CI-Sn-Cl -5 ći н- НӨ Н Н…

A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution…

Q: The molar mass (to two decimal places) for Fe2(CO3)3 is

A: Answer: Each mole of Fe2(CO3)3 contains 2 moles of Fe atoms, 3 moles of Carbon atoms and 9 moles of…

Q: An alternative way to state Avogadro's law is "All other variables being fixed, the number of…

A: • In 1811, italian scientist Amedeo Avogadro gave Avogadro's law    • This law states that " all…