(02), and sulfur dioxide (SO₂) gases. Which of these balloons are filled with pure elements? He SO₂ Cl2 and O2 He, Cl2, and O2 Cl2, O2, and SO2 He Cl₂ 02 SO₂

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Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3.…

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Q: Balance the following redox equation in acidic medium 1. MnO + H₂C₂O4 Ⓡ Mn²+ + CO₂ 2+ Balance the…

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Q: Write out all the steps in the mechanism of this electrophilic aromatic substitution reaction.…

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Q: 3. The reaction of CO and NO2 is second order with respect to NO₂ and zero order with respect to CO.…

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Q: 15. Il prodotto che si ottiene quando la seguente molecola reagisce con HBr (solvente CCl4) è:…

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Q: The discharge of chromate ions (CrO42) to sewers or natural waters is of concern because of both its…

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Q: R = 0.08205 L atm mol-1 K-1 T(K) = T (°C) + 273.15 1 atm = 101,325 Pa = 1.01325 bar Calculate the…

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Q: Draw the bond line structure of CH3CH₂COCH(CH3)2 in here. Copy and paste the SMILES code below.

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Q: From the ?b values for malate, ?b1=1.25×10−9 and ?b2=2.87×10−11, calculate the two ?a values of…

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Q: 3. Identify the acid-base conjugate pairs in each of the following reactions: a.) HCO3 + HCO³ →…

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Q: Peptide Bond HEN AN-2-8- (CH₂)3 мн LINH 1. мнг Arg (R) H. 74 0=0 إنا CM3 Ala (A) 핸 -N-C Hi…

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Q: Determine the kinds of intermolecular forces present in each element or compound. N2 CO CCl4 NCl3…

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Q: What is the strongest form of intermolecular interaction possible for propan-2-ol? O dispersive (van…

A: (10) Rf value: Rf value can be determined by the ratio of the distance which can be traveled by the…

Q: (1) Iron (II) Nitrate (2) Calcium Carbonate (3) Potassium Sulfate (4) Sodium cyanide (5) Zinc…

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Q: What is the standard heat of reaction for the given equation? Use the table 3-1 as a reference.

A: Given ,  Reaction :2NO (g) + O2(g)→2NO2(g)

Q: Which of these statements regarding dissolved gas analysis is incorrect? Select one: A. For low…

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Q: QI: Illustrate the mechanism and products): (Both major and minor if applicable) OH CH3 + I) conc.…

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Q: . Give one (1) application of molality and molarity in medicine B. State the importance of learning…

A: Solution is made up of salute and solvent. Solute is present in small amount and solvent is present…

Q: A neutral atom has the following electron configuration: 1s²2s²2p 3s²3p² What is the chemical symbol…

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Q: which if the following is not an ionic compound? FeCl3 NaC2H302 KI MgCO3 CC14

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Q: Which of the following determines the strength of an acid? The physical state The Ka The Kb…

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Q: 3. How many mL of ethyl alcohol can be distilled from 1.5 L of a 90 proof wine?

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Q: Enter the electron configuration for NN. Express your answer in complete form in the order of…

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Q: 3. How many mL of ethyl alcohol can be distilled from 1.5 L of a 90 proof wine?

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Q: Draw both product structures for the following electrocyclic reaction s

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Q: The enthalpy of fusion (ΔHfus) for aluminum is 8.66 kJ/mol. How much energy (in kJ) is released when…

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Q: What mass of MgCl2 is required to prepare 500.0 mL of 0.100 M solution?    using dimensional…

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Q: 14. From the following gases: N₂ (MM = 28.02) CO₂ (MM = 44.01) He (MM = 4.00) Kr (MM = 83.80) (a)…

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Q: Write the electron configuration for cobalt (atomic number 27).

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Q: 1.0 0.8 0.7 0.6 0.4 0.3 0.2 0.1 71.00 1.10 A 1.0 1.5 2.0 2.5 0 41.20 A -2.00 7₂-1.50 7-1.30 re De…

A: Answer: Real gas equation is: PV=ZnRT Here: P=pressure of the gasV=volume of the…

Q: Which of the following molecules or ions CANNOT act as a chelate? Select one: O a. phenanthroline…

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Q: CqH For the following pairs of structures: Identify each set as either resonance structures (R),…

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Q: Identify the most acidic proton in the compound: d e 0: a b C d e b e

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Q: Question 3 of How many moles of magnesium chloride are formed when 1.204 g Mg(OH)2 is added to 55 mL…

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Q: A 0.311 g of antacid was neutralized with 50.0 mL of 0.102 M HCI. Calculate the neutralizing…

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Q: Chlorine has two naturally occurring isotopes, 35Cl and 37Cl. What is the mass number of each? How…

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Q: A common technique for forming metal electrodes on electronic devices is evaporation in a vacuum. In…

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Q: Which side of this equilibrium is favored?       Reactant side because NH2- is the more stable…

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Q: From the standard properties of plotted titration curves, which one best represents the titration of…

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Q: for the reaction x+y+z --> products, the following data were obtained. Reaction times are inversely…

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Q: liquid hexame [CH₂ (CH₂) y CH3] reacts with gaseous oxygen gas (0₂) to proderce CO₂ and gaseous…

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Q: What will be the boiling point and freezing point of the solution when 258 g of sucrose (C12H22011)…

A: 258 g of sucrose C12H22O11 is dissolved in 855 mL of water .We have to calculate the boiling point…

Q: Fill in the blanks: In the peptide, MERRYCHRISTMAS, (Give the full name of the amino acids) serves…

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Q: They are proton donors They can donate an electron pair to form covalent bonds. Some are strong…

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Q: A 0.350 g sample of a large biomolecule was dissolved in 15.0 g of chloroform (CHCl3), and the…

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Q: A 0.311 g of antacid was neutralized with 50.0 mL of 0.102 M HCI. Calculate the neutralizing…

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Q: What is the structure of the IUPAC name? Draw the structure and give how many carbons are on the…

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Q: 24) The molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K₂Cr 500 mL is A)…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".