4. The volume of a piece of metal is 40.0 ml. Its density is 4.00 g/ml. What is its mass? a) 160 g b) 10.0 g c) 0.100 g d) 80.0 g

Q: 1. Explain why Ethanoic acid is soluble in water, however, naturally occuring long-chain carbolic…

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A:

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A: The given question can be solved as :

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A: At 250C , the ionic product of water is 10-14  [H3O+] [ OH-] = 10-14

Q: determine the quantity in moles of ash that are in 47.2 grams of Ag2O

A: Given, mass of Ag2O = 47.2 g moles of Ag2O = ? Note: molar mass of Ag2O = 231.735 g/mol

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A:

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Q: 4. The pk, of vanillin is about 9, which is much more acidic than a normal alcohol. Draw a reaction…

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Q: Example 15: Methyl methacrylate has a molar mass of 100.0 g/mole. When a sample of methyl…

A: In combustion reaction compound is burned using oxygen and carbon dioxide and water is formed as…

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A: The concept used in the above question is the relationship between atomic or ionic radius and the…

Q: Which atom will form an ion with the greatest positive charge? Choose an alternative: Cl O Ca  Na…

A: Among all Ca form greatest positive charge. Hence option (3) is correct.

Q: Calculate [H3O+] and [OH-] for a solution that is 0.050 mol L¹ in HBr and 0.017 mol L-¹ in HNO3.…

A: for the given solution, we have to calculate    [H3O+] and [OH-]

Q: a. b. =0 H3CCH2-C-CH3 NaBH4 MgBr H*/ H₂O H*/ H₂O

A: we have to draw the products of the given reactions

Q: OH

A: IUPAC stands for the International Union of Pure and Applied Chemistry, which is an international…

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A:

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A: Reverse reaction:- Reverse Reaction means opposite reaction of given reaction.

Q: Macmillan Learning For the general reaction A + BC - ABC how would each event affect the rate of the…

A: Introduction Reaction rates are the measure of the speed at which a chemical reaction takes place.…

Q: Calculations: (Show your calculations in full.) 1. Calculate the number of moles of…

A:

Q: How many moles of K2CO3 are in 730ml of a 2.99M solution?

A: Given data is Molarity of K2CO3 solution=2.99 M  Volume of the solution= 730 mL

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A: To solve this problem we have calculate the molarity of the solution .

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A: Electrochemical Cell Reactions.

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A:

Q: reaction vessel A B с compound HCN NH3 CN NH4 HCN NH3 CN NH4 HCN NH3 CN NHA concentration 0.91 M…

A:

Q: where are the e moving in the first step?

A: This can be explained as:

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A:

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Q: 2) In the lecture we have proved that for an ideal gas Cp,m = Cv,m + R. In the general case (i. e.,…

A: Given that, the relation between two molar heat capacities is Cp,m = CV, m + α2VmTκ, where Vm = Vn.…

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A: Dimensional analysis is used to convert a physical quantity given in one type of unit to some other…

Q: A gas sample has a volume of 12.42 L at STP. How many moles of gas are in the sample? moles

A: We know- At STP, 1mole ideal gas has volume =22.4liters or we can simply write- 22.4L=1mole

Q: A chemistry graduate student is studying the rate of this reaction: 2SO3(g) 2SO₂(g) + O₂(g) She…

A: Given that, We have to find out the rate equation and the rate constant value. Introduction: Rate…

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A:

Q: Lewis structure of H2S. Any polar bonds in molecule? Polar or non polar?

A: Since,If change in dipole moment is equal to zero then molecule become non-polar.If change in dipole…

Q: Convert 2-pentanol into 2,3-dibromopentane. Draw structures of the starting material (2-pentanol)…

A: Let us discuss the step by step synthesis of the given product.

Q: Question 1 What is the most likely product of the following reaction? Br₂ YY Br Br Br Br hv

A: The most likely product of the given reaction is

Q: The reaction between nitrogen and hydrogen to produce ammonia is described by the following…

A: Equilibirium:- Equilibirium is the state of a system in which the concentration of the reactant and…

Q: Based on your answer to Question 3, what can be inferred about the reaction below? H Bond D, kJ/mol…

A: Given:-

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A:

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A: Given: data  Tip: apply arrhenius equation at two different temperatures.

Q: Classify each statement about catalysts as true or false. True A catalyst lowers the activation…

A: Here, we have to classify the given statements about catalysts as true or false.

Q: Identify the point groups of the following molecules.

A: We have to identify the point group of the following compounds. The given compounds are…

Q: please explain ranking

A: This can be explained as:

Q: Calculate the pH of a 100mM acid with pKa=5.0. Report your calculations. Do you make one…

A: The pKa of an acid is defined as the negative logarithm of the acid dissociation constant (Ka), so…

Q: Suppose that Daniel has a 2.50 L bottle that contains a mixture of O₂, N₂, and CO₂ under a total…

A: Since you have posted multiple questions, we can solve only the first question for you according to…

Q: Classify each chemical reaction as endothermic or exothermic. Endothermic reactions 2 H₂(g) + O₂(g)…

A: In an exothermic reaction, heat is released while heat is absorbed in an endothermic reaction. So…

Q: Which metal will elute from the column first? A)zinc B) Ni.

A: The elution order of metal ions from a column depends on various factors such as the type of resin,…

Q: LEFT RIGHT silver (Ag) silver silver magnesium (Mg) copper (Cu) magnesium zinc (Zn) magnesium (Mg)…

A: Electrochemical cells

Q: 7) Construct the Pi Molecular Orbital Energy diagram for the species shown below.

A: We have construct the Pi Molecular Orbital Energy diagram for the  given species and find out how…

Q: The major product of the following reaction is CHO N (1) CH3NHCH₂COOH, Et3N, DMF (ii) heat

A: the detail mechasim is shown below

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".