After carrying out the operation (13.7+0.027)+8.221, how many significant figures are appropriate to show in the result? 02 03 05 4

Q: 0 0 0 0 H H Choose... Choose...

A: a chemical reaction wherein two or more reactants come together to form a larger single product.

Q: A) 80.7% B) 90.1% Q6: What is the molar mass of an Ideal gas if a 0.722g sample of this gas occupies…

A: Note: here i am answering question number 6 as you have asked. mass of the sample (m) = 0.722 g…

Q: ssohs/3026619/variants/3026619/take/12/ = Governor's Next Generation Commis... >O O< Step 1 2 3 4 5…

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A: The chemical reaction in which the heat is released is known as an Exothermic reaction

Q: Days 3 and 4: photocycloaddition OH 8.00 + N. OH Resorcinol trans-4,4'-bpe 1. Co-crystallization 2.…

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Q: For the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C 2 N₂O5 4 NO₂…

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Q: You will find it useful to keep in mind that HCH3CO₂ is a weak acid. 0.4 mol of KOH is added to 1.0…

A: Given,→ moles of KOH =0.4 molMolarity of HCH3CO2 =0.4 Mvvolume of HCH3CO2 =1.0L→ moles of KOH = 0.05…

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A: The standard enthalpy of formation of a substance refers to the enthalpy change associated with the…

Q: H3C. Hc На CH3 'HA

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 2. Calculate the AH for the reaction HCI(g) + NaNO₂(s)→ HNO₂(1) + NaCl(s) from the following data:…

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Q: pint szin) noitadiT moi emoldong ad-how is giv 20vms of bobsolqu on ainmngizan 08 svitsmolni lls bas…

A: The question is based on the titrations.  we are titrating a weak acid with a strong base. we need…

Q: A. An element with the valence electron configuration 2s¹ would form a monatomic ion with a charge…

A: valence electron is  electron in the outer shell associated with an atom

Q: 2 H₂O Bond Bond total bond energy for the reactants in the energy (kJ/mol) Average Bond Energies…

A: The reaction :  C2H4  + 3O2   →2CO2 +2H2O  H2-C=C-H2  +3O=O →2O=C=O +2 H-O-H

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A: Detail

Q: Can you explain why one has an enantiomer and is in a wedge/dash while the other is just lines?

A: Just line means that contains two of isomers. Those are

Q: Practice Problem 10.32 For each of the products shown in the following reaction, propose a mechanism…

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Q: Treatment of a 0.3500-g sample of impure potassium chloride with an excess of AgNO3 resulted in the…

A: Mass of impure potassium chloride (KCl) = 0.3500 g Mass of AgCl formed = 0.3846 g Excess reactant:…

Q: For the reaction below, AH = -879.6 kJ. 3 N₂O(g) + 2 NH3(g) →→→ 4 N₂(g) + 3 H₂O(g) Given that AH =…

A: 1. The standard enthalpy of the reaction is referred to as all the reactants and products of the…

Q: Calculate HgCl2- in a solution prepared by adding 0.0200 mol of NaCl to 0.250 L of a 0.100-M HgCl,…

A: The formation constant, Kf of HgCl42- is 1.1×1016. It can be represented as: Hg2+aq+4Cl-aq→HgCl42-aq…

Q: the concentration of a particular product was measured to be 0.1 M at t = 20 seconds, and 0.5 M at t…

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Q: How many mL of ethanol are contained in a 65-mL portion of a mouthwash that has 6.5% (v/v) of…

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Q: 7. Use the periodic table to find the atomic masses for carbon and oxygen in order to show that the…

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Q: Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the reaction…

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Q: Draw the VSEPR sketch for each of the following showing the polarity of each bond. Describe each…

A: Detail.

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Q: pleeeeeeease solve question 14

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Q: Calculate the voltage of the cell. Ag(s)|AgBr(s), NaBr(aq, 1.0 M)||CdCl₂(aq, 0.050 M)|Cd(s) AgBr(s)…

A: Given, Ag(s)AgBr(s),NaBr(aq,1.0 M)CdCl2(aq,0.050 M)Cd(s) Anode Reaction : Ag(s) + Br-(aq) → AgBr(s)…

Q: Draw the major product of this reacti Ignore inorganic byproducts. 1. Hg(OAc)2, H₂O 2. NaBH4, NaOH

A: The given reaction is an example for Oxymercuration-Demercuration reaction. This reaction is the…

Q: If a solution of sucrose (C12H22O11​) has a molarity of 0.245 how many milliliters of solution are…

A: Given,Molarity of sucrose ( C12H22O11 ) =0.245 Mmass of sucrose = 50.0 g.

Q: Part A Determine whether the mechanism shown here is valid for this reaction: ratek ABC AB+ AB AB₂+C…

A: We have find out the answer.

Q: Define a. Digestion b. Reprecipitation c. Precipitation from homogeneous solution

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Q: Calculate the number of moles of CaCl2 in 150 mL of 2.5 M solution.

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.