1) A piece of iron has only one atom True or false 2) An atom of iron is the same as an atom of oxygen True or False Please answer the two questions. Thank you so much.

Q: What is the expected product from the hydrolysis reaction of ethyl benzoate in hot aqueous HCI? A)…

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Q: Determine the pH during the titration of 29.7 mL of 0.450 M acetic acid (K₂ = 1.8x10-5) by 0.367 M…

A: “Since you have posted a question with multiple sub-parts, we willprovide the solution only to the…

Q: Molecule Lewis Structure #e groups #lone-pair e Hybridization type VSEPR Formula (ie Molecular Type)…

A: We have to complete the given table using the VSEPR theory

Q: Determine the pH of a 0.425M NaOH solution. Report your answer with three decimals. Enter numbers…

A: We know PH = -log[H+]  and  PH + POH = 14

Q: Consider the following chemical equation for which the enthalpy of reaction equals +26.9 kJ. 2…

A: For the given equilibrium;    2 ICl(g)   <----------->  I2 (g) + Cl2(g)    ∆Hrxn. = +26.9 kJ…

Q: In the empirical formula experiment, which of the following will not cause the reported mole ratio…

A: Stoichiometric ratio of Mg to O depends on the oxidation states of these elements.

Q: 385. mL of two different liquids are poured into uncovered identical beakers and let stand for 10…

A: we liquid A and B , we have to observe them and need to tell about their physical changes.

Q: Consider the following reaction:   2 AB (g) + C2 (g) ⇄ 2 ACB (g)      Kc = 72.06  If the…

A: The equilibrium constant (Kc) is given by the ratio of the product of the molar concentration of…

Q: 2.59 Find the empirical formula for a compound that contains 15.8 grams of aluminum, 0.876 moles of…

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Q: A 0.2174 g sample of a pure carbonate, XnCO3(s), was dissolved in 50.0 mL of 0.1500 M HCl(aq). The…

A: Given: Molarity of HCl = 0.1500 M Volume of HCl = 50.0 mL Mass of sample = 0.2174 g Volume of NaOH =…

Q: Draw a structural formula for the product of the reaction shown. NC CH3 CH3 + NC + HBr CN • Use the…

A: 1. The required structural formula of the product is shown below

Q: Given the following reactions: 3C ⇒D Kc=7.13× 10-4 D3A+3B Kc=8.54 × 10-² Calculate the value of the…

A: The question is based on equilibrium concepts. we need to calculate equilibrium constant value for…

Q: Draw the major organic product for the following reactions and then write down the mechanism by…

A: SN1 reactions are those in which nucleophile gets substituted by another nucleophile via carbocation…

Q: Part A Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide:…

A: Part A) Given, CaO(s) + H2O(l) -----> Ca(OH)2(s) mass of CaO reacts = 4.60 g mass of H2O reacts =…

Q: Shown below are Newman projection formulas for (R,R)-, (S,S)- and (R,S)-2,3-dicholorobutane (a)…

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Q: Practice Questions: Directions: Write the compound that would form when the two ions are combined.…

A: ♣ Solubility rules for ionic compounds :1. Salts containing nitrate ion NO3- are always soluble in…

Q: What is the pH of a buffer solution where [HA] = 1.5[A-] and Ka = 4.35 x 10-5? Report your answer…

A: Given -> [HA] = 1.5[A-]  Ka = 4.35 × 10-5 -> pH of buffer solution can be determined by using…

Q: Draw a bond-line diagram for the compounds below. Which of the following compounds is chiral? (a)…

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Q: Purity of the ester: use the colour of the product and the information from the infrared spectrum to…

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Q: 11. 1 Formation of carbon monoxide 2 Formation of nitrogen monoxide 3 Decomposition of hydrogen…

A: The question is based on the concept of energy level diagram. based on the energy level profile…

Q: How do you determine molarity in DI water to compare to see if molarity increases or decresease…

A: We have to determine the molar solubility of Tl2S in DI water. We also have to tell whether the…

Q: 2. a. Straight run gasoline, as produced from the distillation unit, has an octane number of about…

A: 'Compound a' is composed of a phenyl ring. It is an aromatic compound 'Compound b' is a straight…

Q: how many moles of Cu are present in 1.51*10^22 atoms Cu?

A: Number of mole is equal to number of atom divide by avagadro number.             Given number of Cu…

Q: What interactions in the products are consistent across all four reactions?

A: The interactions that are consistent across all four reactions are hydrogen bonding between the…

Q: For NaOH + CaCl₂ a. Which product is soluble/aqueous? b. Which product is insoluble/solid/the…

A: Given that, reactions are NaOH + CaCl2 → BaCl2 + Na2CO3→ We have to tell in the given reactions,…

Q: Macmil CH₂Br + NaOH →→→ When the concentrations of CH₂Br and NaOH are both 0.140 M, the rate of the…

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Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.463 M isoquinoline (a weak base…

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Q: Write the equilibrium constant expression for this reaction: → 2 H (aq) + C₂0 (aq) -> H₂C₂O4(aq)

A: The equilibrium constant expression is equal to the concentration of each product raised to its…

Q: H2O2(aq)+SO2(g)⟶H2SO4(aq)   H2SO4(aq)+2NaOH(aq)⟶2H2O(l)+Na2SO4(aq) Suppose Lane collects a 584.0 g…

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Q: Check out the inorganic substances that could be found in your kitchen. Research for the chemical…

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Q: 4NH3 (g) + 5O2 (g) ⇄ 4NO (g) + 6H2O (g) Given: [NH3] = 0.1210 [O2] = 0.1008 [NO] = 0.1111 [H2O]…

A: To calculate the expressions for Kb, K, and Ka for the given reaction: Write the balanced chemical…

Q: 3. Draw the mechanism for the following reaction using curved arrows. MgBr 1. 2. H3O+ OH

A: In the above reaction in which benzaldehyde (aldehyde) reacts with cyclopentyl magnesiumbromide…

Q: The enthalpy change for the formation of 1 mole of CH, from its elements in their standard states is…

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Q: What kind of intermolecular forces act between a methanol (CH3OH) molecule and a water molecule?…

A: Both methanol and water are polar in nature due to electronegativity difference . However a methanol…

Q: Calculate the degree of dissociation and pH of 10-2 M and 10-10 M barbituric acid (HBa). KHBa =…

A: Given , Barbituric acid (HBa)

Q: Select the true statements below The product of keto acid decarboxylation is aromatic The product of…

A: False: The product of keto acid decarboxylation is not necessarily aromatic. The product can vary…

Q: A student at CHEM 146 lab found that a 0.486 M unknown weak base is 15.46% ionized. What is the Kb…

A: The question is based on the concept of chemical equilibrium . we need to calculate base…

Q: You add 19.00 mL of 0.600 M NaOH to 50.00 mL of pure water, and to this mixture you then add 8.00 mL…

A: Given: Concentration of NaOH = 0.600 M Volume of NaOH = 19.00 mL Volume of water = 50.0 mL Volume of…

Q: 1. Add 10 drops of liquid carboxylic acids sample in a separate clean test tube, then add 10 drops…

A: Esterification is the process of combining an organic acid (RCOOH) with an alcohol (ROH) to form an…

Q: What is the pH of a buffer that is 0.20 M HF and 0.085 M KF? pKa = 3.15

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Q: 1) Provide the major organic product in the reaction below. 1. Na CH3CH2CH2OH Answer: 2. PhCH₂Br

A: We have given the organic reaction and we have to find out the major product of the reaction.

Q: The standard enthalpy of vaporization for C2F6 is 117.07 J/g at its normal boiling point of…

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Q: Circle the achiral compound that substitutes fastest with CH3NH2 B) L J - Br Br C) Br D) xBr Br E)…

A: Nucleophilic substitution reactions are a class of reactions in which an electron rich nucleophile…

Q: là Hz a SiHCl3 (g) → b Si (s) + c SiCla (g) + H₂ (g) (a) (b) Balance the reaction above by…

A: Given that, (a) a SiHCl3 g →b Si s + c SiCl4 g + d H2 g. We have to balanced the above reaction. (b)…

Q: Consider the following reaction:   2 AB (g) + C2 (g) ⇄ 2 ACB (g)      Kc = 32.84  If the equilibrium…

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Q: Consider a gas sample with an initial pressure of 533 torr and a volume of 10.5 L. What is the…

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Q: b. The following equations represent various acid/base reactions. Complete and balance each…

A: According to Bronsted and Lowry concept an Acid is a substance that has the tendency to donate a…

Q: A reaction with an activation energy of 50.2 KJ mol-1 has K= 2.38 x 10-1 s-1 at 47 Celsius and…

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Q: how many sulfur atoms are present in one mole of aluminum sulfide? AI2S3 A. 1.81*10^24 atoms B.…

A: Mole is equal to number of atom divide by avagadro number

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.