дов H 1. NaBH4, CH₂OH 2. HCI, H2O 1. LiAIH4, THF 2. HCl, H2O

Q: Determine the theoretical mass of aspirin (acetyl salicylic acid) when using 3.682 grams of…

A: Salicylic acid reacts with acetic anhydride to give aspirin or acetylsalicylic acid and acetic acid.…

Q: The Kjeldahl analysis is used to determine the protein content of foods. The food analyzed is heated…

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Q: 4. AB,(aq) + Nz,L(aq) – > NzB(aq) + AL(aq) 5. AZ4(8) + Q2(8) -- > Z,Q(1) + AO½(s) 2 of 2 Law of…

A: According to the law of conservation of mass , mass of the Substance can not be created or…

Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: Given -> CaCO3(s) -----> CaO(s) + CO2(g)  Weight of sample = 2.237 gm  Weight of CO2 formed =…

Q: A 25.0 mL aqueous solution of 1.32 M K₂SO4 is necessary for a particular reaction. How many grams of…

A: Molarity of substance is the number of moles present in one litre of solution.

Q: In a demonstration of the complete combustion of propane (C3Hg) with oxygen (O₂), several balloons…

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Q: Give the major product of the following reaction. Br₂ NaOH, H₂O ?

A: A ketone when it is treated with halogen in a basic medium, the alpha protons of the ketones are…

Q: 2. Calculate the boiling point for ethyl acetate. The boiling point for ethyl acetate is [ Select ]…

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Q: Balanced Chemical Equation Reaction Type: At completion of reactions: Grams of calcium hydroxide…

A: The answer are as follows:

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

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Q: Calcium Chloride CaCl2 has a molar mass of 110 grams per mole. 11.0 grams of CaCl2 dissolved in 500…

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

Q: The combustion of methane gas upon reaction with molecular oxygen can be descried by the equation…

A: The given chemical reaction is: CH4g+2O2g→CO2g+2H2Og

Q: → products) (Don't forget • If there is reaction, write a complete chemical equation (reactants to…

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Q: A student weighs an empty beaker at 85.301 g. A sample of Na2SO4·??H2O is added to the beaker, and…

A: Mass of empty beaker = 85.301 g  Mass of beaker + hydrated salt = 86.607 g  Mass of beaker +…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3), which has a molar mass of 138.12 g/mol, and…

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Q: Butane has the chemical formula C4H10 and is a component of natural gas. When butane burns, it…

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Q: Write the balanced NET ionic equation for the reaction when aqueous BaCl and aqueous (NHa)2SOa are…

A: Balanced molecular equation for aqueous BaCl2 and aqueous (NH4)2SO4 to give aqueous NH4Cl and solid…

Q: Fe,03 + HCI → FeCl, + H2O 5 g 5 g ?g 5. How many grams of the product is produced?

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Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

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Q: Find the molar mass of CO(NH2)2-

A: Molar mass of compound is sum of atomic masses of constituent atoms . Atomic mass of C = 12.01…

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

A:

Q: 5. To react with 6.00 g of carbon (MM = 12.01 g.mol-1), what minimum mass of silicon dioxide (MM =…

A: To know the mass of Silicon dioxide needed to react with 6g of Carbon, we need to find out the moles…

Q: chemist prepares a solution of magnesium bromide (MgBr,) by measuring out 1.8 g of me mark with…

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Q: composition- a compound breaks down into elements and/or simpler compounds. KNO; ? KNO, + O2 NaN, ?…

A: Decomposition reaction of KNO3 is given by:   KNO3 → KNO2 + O2 There are 3 Oxygen atoms on reactants…

Q: b. How many moles of gaseous SO2 must react if 2.46 kJ of heat are absorbed? 4.377*E-3 mol c. What…

A: The balanced reaction is – 2 SO2 g+ 2H2Ol →2H2Sg + 3O2g

Q: The solubility differs from concentration because concentration is amount of solute per volume of…

A: Solution is the homogeneous mixture of two or more substances which consists of two phases solute…

Q: 2 Na(s) + Cl₂(g) Ang = gas 2 NaCl(s) mol

A: We have to calculate ∆ngas

Q: CH4 + 20, → CO, + 2H,0 You have 30 g CH, that you burn in oxygen. How many grams of water (H,0) can…

A: Number of moles of a substance is equal to the mass of substance divided by its molar mass.…

Q: Aluminum reacts with HCl to produce H2 gas and AlCl3 . Write the balanced equation for this…

A: Initially aluminium(Al) reacts with HCl  to form AlCl3  and H2 gas. Balancing the chemical equation…

Q: One of the reactions in the Solvay Process involves the reaction of calcium oxide with water to…

A: Theoretical yield is the maximum amount of product that can be formed in a chemical reaction based…

Q: 1. Calculate the theoretical percentage of water for the following hydrates. (a) manganese(II)…

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

Q: Starting with 0.525 mol Li and 0.210 mol SOCI₂, determine the number of moles of each reactant and…

A: Recall the given reaction,                            4 Li + 2 SOCl2 → 4 LiCl + S + SO2Initially…

Q: Benzene (C6H6) is a liquid with a density of 0.874 g cm-3. It reacts with oxygen to give carbon…

A: Density of Benzene = 0.874 g cm-3 Volume of Benzene = 21.3 cm3

Q: Aspirin can be prepared from salicylic acid ( C7H6O3 ), which has a molar mass of 138.12 g/mol, and…

A:

Q: Cobalt reacts with excess oxygen gas to form colbalt(III) oxide. Choose the correct representation…

A: Copper reacts  with excess oxygen to form copper(III) oxide. Following is the correct representation…

Q: In each chemical reaction below, an atom or group of atoms is moving. It is bonded to something…

A: #18) Rxn : 4H2 +  CO2 -->  CH4 + 2H2O

Q: How many sodium ions are present in 20.0 mL of 0.10 M Na,S? A. 0.002 В. О.004 С. 1.20 х 1021 D. 2.41…

A: Given  Volume = 20 mL               = 20 × 10-3 Liter           ( 1 mL = 10-3  Liter )…

Q: Balance the equation... ...and classify it. Sb + Cl, → _SbCl, 1. 2. Mg + - 3. CaCl, → Ca + C. -

A: Given-> 1->Sb + Cl2 ---> SbCl3 2->Mg + O2 ---> MgO 3->CaCl2 --> Ca + Cl2

Q: Macmillan Learning Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric…

A: The balanced reaction taking place is given as, => 4 HCl (aq) + MnO2 (s) ---------> MnCl2 (aq)…

Q: Aspirin can be prepared from salicylic acid (C,H,O3 ), which has a molar mass of 138.12 g/mol, and…

A: Given: Mass of salicylic acid=3.01 g Moles of salicylic acid= 3.01138.12 g/mol=0.0218 mol The…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: We have to find the percentage by mass of C in a carboxylic acid.

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.