Symbol Atomic Number Mass Number # of Protons # of Neutrons # of Electrons 5¹ Cr3+ B B D D

Q: Suppose a 500. mL flask is filled with 0.30 mol of NO₂, 1.2 mol of CO and 1.6 mol of CO₂. The…

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Q: 11 The threshold frequency to eject an electron from the surface of a metal is 1.95 x 10¹4 s¹. What…

A: The threshold frequency to eject an electron from the surface of a metal = 1.95 * 1014 s-1  we have…

Q: A 77.0 mL77.0 mL portion of a 1.70 M1.70 M solution is diluted to a total volume of 258 mL.258 mL. A…

A: given data  A 77.0 mL or 1.70 M total volume = 258 ml after dilution  129 mL portion of that…

Q: BACTROBAN ointment contains 2% w/w mupirocin. H ow many grams of a polyethylene glycol ointment base…

A: given data   2% w/w mupirocin weight = 22 g concentration = 5 mg/g

Q: Calculate the average atomic mass of element X given the following isotopes and relative abundance.…

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Q: A is directly to the left of B. C is directly below A and D is directly below B. Which of the…

A: The removal of an electron is an endothermic process and the required energy is known as ionization…

Q: What is the percent composition by mass of acety

A: Please find your solution below : Acetylene is an organic compound having molecular formula C2H2. It…

Q: Give the oxidation number of carbon in the following: a) HCO3 (select) ✓ b) CF₂Cl₂ (select) c) C₂H6…

A: In the case of neutral molecules the algebraic sum of oxidation number of all atom present in…

Q: Which of the following best describes the quantization of energy in atoms? Select one: a. Electrons…

A: The quantization of energy first introduce by scientists Bohr. He tell us that energy gap between…

Q: If 37.8 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.344…

A: Balanced chemical equation for the reaction of Silver nitrate and potassium chloride is as follows:…

Q: What is the relationship between the two structures shown? H3C H OH OH H CH3 H3C NOC- consitutional…

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Q: Calculate the energy of the photon emitted when an electron in a hydrogen atom moves from n=4 to…

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Q: For the chemical reaction…

A: A net ionic equation is an equation which has only the species that are involved in the reaction.…

Q: Which of the statements concerning chemical bonds is FALSE? Select one: O a. The sharing of…

A: Here we are required to find the statement which is false for chemical bond

Q: o Attempt 4 Glucose generally exists in ring (cyclic) form. A Haworth projection shows the…

A: Here we have to verify the incorrectness in the alpha and beta form of glucose in the given…

Q: Which of the following compounds exhibits resonance? Select one:

A: Given : formula of compounds

Q: H 1.008 3 Li 6.94 11 4 Be 9.012 12 Na Mg 22.990 24.305 19 20 21 22 Ca Sc Ti V K 39.098 40.078 44.956…

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Q: chi The dipole moment of nitrobenzene is 3.93 D. Nitrobenzene is an electron withdrawing group. For…

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Q: How much energy is required to raise the temperature of 20 grams of ice from -10°C to steam at…

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Q: Give an acceptable name for each carboxylic acid. (CH3), CHCH,CH,CH2CH,CH2COOH a. b. OH

A: We follow rules assigned by IUPAC to name an organic molecule.  Some of the rules are given below:

Q: Show the balanced acid-base reaction if pimelic acid (C7H12O4) reacts with sodium hydroxide (NaOH)

A: The structure of pimelic acid (C7H12O4) is as follows: The pimelic acid is dibasic acid and it…

Q: A 170.0 mL solution of 2.288 strontium nitrate is mixed with 220.0 mL of a 2.493 M sodium fluoride…

A: According to the question we have, The volume of the strontium nitrate Sr(NO3)2 is given by = 170.0…

Q: Calculate the pH of a buffer solution containing 0.58 moles of sodium acetate (NaC2H3O2) and 0.43…

A: The detailed explanation is provided below.

Q: 1 H 1.008 3 4 Li Be 6.94 9.012 11 12 Na Mg 22.990 24.305 19 20 21 22 23 Ca Sc Ti v K 39.098 40.078…

A: Dipolemoment of any species can be explained using the polarity of the bond correspond to it. Now we…

Q: Enter your answer in the provided box. Ordinary household bleach is an aqueous solution of sodium…

A: Molarity of the given hypochlorite solution can be calculated based on the moles of solute and…

Q: Lead(II) nitrate and ammonium iodide react to form lead(II) iodide and ammonium nitrate according to…

A: Given reaction is

Q: The decomposition of nitrous oxide at 565 °C N₂O(g) → N₂ (9)+½O₂(g) is second order in N₂O with a…

A: Let a is initial concentration.    and a-x is concentration after time t

Q: The ultimate electron acceptor in the electron transport chain is oxygen molecule. True False

A: Answer is TRUE Because Electron transport chain or respiratory chain is present in the inner…

Q: C…

A: Given - NO3(g) +NO(g) <-> 2NO2(g) Volume = 500 mL = 0.500 L (1 L = 1000ml)  Mole of NO3= 1.4…

Q: Enter your answer in the provided box. How many grams of NaH₂PO4 are needed to react with 18.67 mL…

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Q: The activation energy for the gas phase isomerization of cyclopropane is 272 kJ. (CH₂) 3- The rate…

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Q: A is directly to the left of B in the periodic table. C is directly below A and D is directly below…

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Q: Complete the molecular orbital diagram below for F₂2- (for F, Z = 9) by filling in the electrons in…

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Q: Which of the following statements are true of metallic bonds? They are similar to covalent in that…

A: Metallic bonds are the chemical bonds that link metals to metals, while an ionic bond is formed…

Q: Which of the following transitions will result in the emission of the HIGHEST energy photon? Select…

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Q: Can anyone go a bit deeper into the connection between solubility and concentration? solutions can…

A: There are three types of solutions - saturated, unsaturated and supersaturated solutions.

Q: The decomposition of ammonia on a platinum surface at 856 °C NH3 → 1/2 N₂ + 3/2 H₂ s zero order in…

A: A zero order reaction is independent on concentration of reactant

Q: The pH of a 0.150 M CH3COOH solution is 2.87 Calculate the [H3O+]

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Q: 1. Show the number of valence electrons in each of the following atoms. Let the element's symbol…

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Q: for the compound with the next most ionic bonds, and so on. compound F₂ BeF₂ CaF₂ SiF4 ionic…

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Q: A group of minerals containing either sulfide or disulfide is collectively known as sulfide…

A: Answer:- This question is answered by using the simple concept of law of chemical combinations. Law…

Q: AH (0.00°C) = 333.5 J/g ally at - 12.00°C. If the sample is heated at constant pressure (P = 1 atm),…

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Q: a. Draw the structure of the compound based on its IUPAC name:…

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Q: A sample of hydrogen has a mass of 43.9 grams. a. How many H atoms are there in the sample? atoms…

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Q: Experiment 3 Molar Mass of a Copper Compound 3. A 2.1463 g sample of a silver compound contains…

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Q: Draw the structure of the product of the reaction between the compound shown below and H₂SO4.…

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Q: Below are the line spectra of Neon (Z = 10) and Lithium (Z = 3). Which of the following statements…

A: Lines in the spectrum are due to transitions in which an electron falls from a higher-energy orbit…

Q: Suppose a 500. mL flask is filled with 0.90 mol of Br₂, 1.1 mol of BrOCI and 0.30 mol of BrCl. The…

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Q: A 0.8000 g sodium carbonate is dissolved in a 600 mL boiled water. A 100 mL aliquot was put in a…

A: Given: The mass of sodium carbonate in 600 mL boiled water = 0.8000 g We have to find the final…

Q: appropriate. H3C H₂CH₂C NC H NaOH NaOCH3

A:

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.