What are the molecular and empirical chemical formulas of a compound made up of these molecules? H. H. The lines stand for chemical bonds between the atoms. You can ignore the dots -- they represent "lone pairs" and you'll learn about them later. H. molecular formula: empirical formula:

Q: When calcium carbonate is heated strongly, CO2 (g) is evolved. The equilibrium pressure of the gas i...

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Q: 21. Which of the following equations is/are balanced 3MGO+2FE→FE20O3+2Mg a. b. N20-N2+O2 c. C2H3N2+2...

A: In option a: the reactant side 3Mg, 3O and 2 Fe atom and in the product side 2Fe, 3O and 2Mg atom is...

Q: HCI flushed 20 milliliters of hydrochloric acid (7 concentration of 0.1 normal, with sodium hydroxid...

A: Volume of HCl solution = 20.0 mL = 0.020 L                              [HCl] = 0.1 N         Equiva...

Q: The following initial rate data are for the reaction of UO,+ with hydrogen ion in aqueous solution: ...

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Q: Please select the correct name for the molecule at the top. Make sure the correct stereochemistry is...

A: Please select the correct name for the molecule at the top. Make sure the correct stereochemistry is...

Q: The rate law expression must be rate

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Q: 4. What is the pH of a buffer solution consisting of 0.0550 M NH3 and 0.0800 M NH, (K, for NH. is 5....

A: Given, Concentration of NH3 = [NH3] = 0.0550 M Concentration of NH4+ = [NH4+] = 0.0800 M Ka for NH4+...

Q: 4. What is the pH of a buffer solution consisting of 0.0550 M NH3 and 0.0800 M NH. (K, for NH is 5.6...

A: Given-> [NH3] = 0.0550 M [NH4^+] = 0.0800 M Ka(NH4^+] = 5.6 × 10^ -10 

Q: Complete the following equations to show the products that form in each of the reactions we observed...

A: Solution: The balanced chemical equation are as follows: (a)  Ca(s) + 2 H2O(l) → Ca(OH)2 (aq) + H2 ...

Q: 2. What is the product of the following reaction? NaOH, H,O

A: Given:- This is intramolecular Aldol condensation reaction . 

Q: Which of the following statements about 3-iodo-2-methylprop-1-ene is/are true? (i) It has an E isome...

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Q: e) What is the pH of a solution made by dissolving 1.21g calcium oxide to a total volume of 2.00L

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Q: 7.1. Match the three steroid structures shown below to the following values for Ahexane. Compound A,...

A: Woodward–Fieser rules: The Woodward–Fieser rules are used for the calculation of the wavelength of t...

Q: Which of the following is a conjugate acid/base pair? A) H³PO4, PO,3- В) Н.РО-, РО3- C) HPO:²-, PO,3...

A:                                 Answer Which of the following Conjugate acid/base pair Conjugate aci...

Q: What is the function of the fumehood in the Chemistry laboratory? Select the correct response: It le...

A: Fume hood in the chemical laboratories generally help to reduce the toxic chemicals or hazardous che...

Q: How many moles of helium are contained in each volume at STP: (a) 6.6 L; (b) 88.0 L?

A: Given data : 

Q: Define the following terms a) curie b) roentgen c) radical d) rem e) LD50

A: a) Cutie is the quantity of radioactive substance that emits one curie of activity. b) Roentgen is a...

Q: Predict a possible mechanism: a. 1. MgBr 2. H,0 b. 1. LAH "NH2 2. H20 c. Ph;P-CHCH,CH,CH3

A: Dear student , I am authorized to answer only first three subparts of your question as per guideline...

Q: 560 cm3 of a gas weighs 1.55 g at STP.  Calculate the MW of the gas.

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Q: What volume in liters of 0.250 M H2SO4 is required to neutralize a solution prepared by dissolving 1...

A: Neutralization reaction: The hydrogen ion of acid reacts with the hydroxide ion of a base to form sa...

Q: Determine the pH of a 0.068 M aqueous solution of sodium cyanide. The Ka for HCN is 4.9x 10^-10

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Q: ICs of O, are needed to react with 4.50 moles THow many grams of AlO, are produced when 50.2 g o1 AT...

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: Create a calibration curve. Electrode potential (mV) vs. log [Ca2+]. (complete with, the equations ...

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: For the gas phase decomposition of dimethyl ether at 500 °C CH30CH3→CH4 + H2 + Co the following data...

A: Given chemical equation : CH3OCH3 ------> CH4 + H2 + CO Average rate of disappearance of CH3OCH3 ...

Q: 2. Draw the two chair conformations for both cis- and trans-2-isopropylcyclohexanol (a planar form i...

A: Here we have to write the more stable chair conformation of cis - 2-isopropylcyclohexanol and trans ...

Q: 5. At 298 K, a voltaic cell produces a standard emf of 0.81 V. Calculate the value of n for the cll ...

A: Equilibrium constant of cell reaction  K = 1.24 × 1082 T = 298 K Standard emf of cell = 0.81 V We k...

Q: Instruction: Complete the table below. [H'] 1.0 x 10 3 pH POH [OH] 3.6 x 10 5 6.21 4.84 5.1 x 10 3

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Q: What is the name of the following compound? Is Ethoxycyclopentane correct?

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: Potassium phosphate undergoes a double replacement reaction with magnesium acetate. a Write a balanc...

A: Given,  Potassium phosphate reacts with magnesium acetate.  We have to solve part a ,b and part c.

Q: f the two molecules below select which molecule would be predicted to react faster vla an E2 elimina...

A: 1. Cyclohexane Rings, E2 reaction only  Occur When The Leaving Group Is Axial.  In the above disubst...

Q: Temperature Click above or below the line for B or Activation Energy: 22.14 kJ/mol the transition st...

A: Given: Initial temperature (T1) = 298 K Final temperature (T2) = 330 K Initial concentration (A1) = ...

Q: Question 6. Inside a rigid container, initially filled with 2.5 kPa CO2 at 383.08K. Then excessive a...

A:      NH2COONH2(s)⇌2NH3(g)+CO2(g)        -                            -                2.5 kPa       ...

Q: 22. What is the coefficient of O2 after the following equation has been properly balanced? C12H26(1)...

A: Balanced chemical equation is the one in which the number of atoms of each kind is equal on both sid...

Q: For numbers 8-10 (3pts) Show your solution to the following and box your answer. A soda mint tablet ...

A: Given -> Volume of HCl = 30.5 ml Molarity of HCl= 0.135 M  

Q: Write the equation of the reaction for Para Red. Choose any Diazo component and one Coupling compon...

A: Since you have asked multiple questions we will answer the first two for you as the rest of the ques...

Q: Elements in Group 17 Halides are mainly of three types: a) b) c)

A: Elements in Group 17 includes F, Cl, Br, I. These are highly reactive species. Based on the attachme...

Q: At 27 °C, K, = 1.5 × 1018 for the reaction 3NO(g) = N20(g) + NO2(g) If 0.030 mol of NO were placed i...

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Q: The following initial rate data are for the reaction of ICI with hydrogen: 2 ICI + H2→I2 + 2 HCI Exp...

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Q: One equivalent of 1,3-butadiene reacts with the quinone below to produce a single product. Why is th...

A: In Diels alder reaction,diene reacts with dienophile.

Q: Give some physical and chemical properties of Ferrous Oxalate

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Q: The molar solubility of SrF2 is 2.5 x 10-9 M. Calculate the Ksp of SrF2.

A: Given:- The molar solubility (S) of SrF2 is 2.5 x 10-9  M. To find:- - the Ksp of SrF2. Ksp is solub...

Q: Section 5.8 Energy and Reactions 10. In hot weather dogs pant and humans sweat. Is the panting proce...

A: Given: In hot weather dogs pant and humans sweat. To explain: Is the panting process which dogs' pr...

Q: The decomposition of ammonia on a platinum surface at 856 °C NH3 1/2 N2 + 3/2 H2 is zero order in NH...

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Q: Write the mass balance for the following solution: 0.025m Fe2(SO4)3 solution with the following reac...

A: It is given in the question that 0.025 m solution of Fe2(SO4)3 is present and we have to write the m...

Q: Give the IUPAC name for the following: ỌCH, NH2 (a) (b) (c) CH, CH, CH,CH- CH, NO,

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Q: A 3.500g sample of iron (a transition metal) was covered with sulfur powder & heated to combine the ...

A: Given,  A 3.500g sample of iron was covered with sulfur powder & heated to combine the sulfur.  ...

Q: Create a diagram of the process of the acid-base equilibrium on the given below

A: In this reaction an acid HA reacts with water H2O to form hydronium ion and conjugate base of acid. ...

Q: 1. Given the elements below, rank them by the following categories and fully explain your reasoning!...

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Q: What volume of 0.305 M AGNO, is required to react exactly with 155.0 mL of 0.274 M Na, SO, solution?...

A: Here we have to determine the volume of AgNO3 solution of conc6 0.305 M required to react completely...

Q: 23 What pressure will 2.6 x 10 molecules of H, exert in a 3.9 L container at 45°C?

A: 2.6 * 1023 molecules of H2 are exerted in a 3.9 L container at 45 ◦C. Here, we have to calculate the...

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.