H. H.

Q: Consider the molecules pictured. Which molecules have a formal charge of zero on the central atom? C...

A: Molecules having formal charge of zero on central atom:  

Q: Show how you would synthesize each compound, starting with an ester containing nomore than eight car...

A: (a)  

Q: When this reaction comes to equilibrium, will the concentra- tions of the reactants or products be g...

A: The reaction given is

Q: Calculate the pH of a weak base which dissociates as   BOH ⇌ B+ + OH-   ( like  NH3 (g) + H2O(l) → N...

A: The dissociation reaction taking place is BOH ⇌ B+ + OH-  

Q: Many rivers in Ghana are affected by illegal small-scale mining. Studies have revealed extremely hig...

A: Before the industrial and medical purpose, polluted air must be undergone through various steps of p...

Q: Help

A: The stereoisomers can be expressed as the isomers in which the variously geographical arrangement at...

Q: Hydrogen and bromine react reversibly:H2 ( g) 1 Br2 ( g) 2HBr ( g)a Which of these will favour the f...

A: For the reaction  

Q: How can a molecular formula be obtained from an empirical formula? What additional information is re...

A: Molecular Formula can be obtained from an Empirical formula as:  

Q: Provide pka (in scale of 5) of the o-Hydrogen on both compounds. pKa b) a) CH2 А pKa CH2

A:

Q: Under what soil condition do you think a farmer would treat the soil of his field with quicklime (ca...

A: Quick lime or slaked lime or calcium carbonate is alkaline in nature. Thus if the soil is acidic in ...

Q: 25. What is the IUPAC name for H-C =C-CH,CHCH; Br a. 4-bromo-1-pentyne b. 2-bromo-1-pentyne c. 2-bro...

A: The compound given is  

Q: Calculate the pH of a weak acid which dissociates as   AH ⇌ A- + H+   ( like CH3COOH ⇌ CH3COO- + H+ ...

A: The given weak acid dissociates as follows, AH ⇌ A- + H+ The given Ka value is 8.46 x 10-7 Ka for th...

Q: I need help on C. Thank you

A:  Given data :  

Q: A compound ‘A’ on heating at 370 K gives ‘B’ used as plaster for supporting fractured Bones in the r...

A: When gypsum is heated at 370 K, it gives Plaster of Paris which is used for supporting fractured bon...

Q: What is mass percent composition? Why is it useful?

A: Mass percent composition refers to the mass of the component in 100 g of the solution.  

Q: Determine the chemical formula of each compound and then use it to calculate the mass percent compos...

A: a.

Q: Indicate the number of significant figures in each number. If the number is an exact number, indicat...

A: The significant figures can be defined as the digits in the given number that carry some meaning and...

Q: Write empirical formulas for the compounds represented by the molecularformulas.(a) C4H8 (b) B2H6 (c...

A: Empirical formula is the chemical formula of the compound which expresses the simplest whole number ...

Q: A 1.884-g sample of a mixture of solid Na3PO4 12H2O and BaCl2 2H2O is added to water and 0.376 g of ...

A: The reactants given are 1) Na3PO4.12H2O  2) BaCl2.2H2O Hence the reaction taking place is  BaCl2.2H2...

Q: P3- has a smaller ionic radius than K*. True O False

A: P3- ha smaller ionic radius than K+ False Electron configuration of P= 1s22s22p6 3s² 3p³ Electron co...

Q: Which noble gas would have the strongest intermolecular forces? Can you explain why?

A: The noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactiv...

Q: What kind of chemical formula can be obtained from experimental data showing the relative masses of ...

A: The formula obtained is:

Q: What chemical process is used for obtaining a metal from its oxide?

A: The chemical process used for obtaining metal from its oxide:

Q: Draw the following monosaccharides, using chair conformations for the pyranoses andHaworth projectio...

A: Step 1   Given   The given monosaccharide to be drawn is β-D-galactopyranose.

Q: LIAIH4 NH2

A: LiAlH4 is a strong reducing agent as it produces H- ions which can attack on the carbon making bonds...

Q: Chapter #6, Question #5: Suggest a possible sequence of reactions (beginning with oxidation via the ...

A: The oxidation is defined as the loss of electrons. The oxidizing agent takes the electrons form othe...

Q: Show how you would accomplish the following synthetic transformations. You may useany necessary reag...

A: Given conversion, pyrrolidine to N-ethylpyrrolidine

Q: How many protons, electrons, and neutrons are present in an atom of 52/24Cr?

A: An atom is composed of three main sub-atomic particles; electrons, neutrons and protons. The atomic ...

Q: Chemistry

A: First consider the state of Mn in MnO4- In this species the oxidation number of Mn is +7 which is bo...

Q: One barrel of petroleum is equal to 42 gal. How many liters of petroleum are spilled if 240 barrels ...

A: Given information, 1 barrel petroleum = 42 gal total number of barrels = 240 4 qt = 1 gal ; 1 L = 1....

Q: For the reaction below the partial pressure of NO2 is 0.22 atm and the partial pressure of N2O4 is 1...

A: The reaction given is  

Q: Name each ionic compound.a. Mg3N2 b. KF c. Na2Od. Li2S e. CsF f. KI

A: Ionic Compound naming as:  

Q: A hydrogen-filled balloon is ignited and 1.50 g of hydrogen is reacted with 12.0 g of oxygen. How ma...

A: Solution stoichiometry involves the calculation of concentration of solutions in the given condition...

Q: Which statements are consistent with Rutherford’s nuclear theory as it was originally stated? Why?a....

A: Rutherford's atomic model also named as "nuclear model". As per Rutherford's nuclear theory, any ato...

Q: Predict the charge of the ion formed by each element.a. O                    b. K              c. Al...

A: Atoms can either lose or gain electrons , so that it outermost valence shell has eight electrons ful...

Q: a) Which structure is more reactive toward electrophilic aromatic substitution (EAS reaction) ? b) W...

A: a)Reactivity In electrophilic aromatic substitution Electron withdrawing groups or electron deactiva...

Q: The elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50%...

A: For particular molecule, empirical formula reflects the most simplistic proportion which exists amon...

Q: If matter is mostly empty space, as suggested by Rutherford, then why does it appear so solid?

A: Given statement, Rutherford suggested matter is mostly empty space.

Q: How many moles of KOH is required per mole of fat in saponification reactions?

A: Saponification reaction is the conversion of fat or oil lipid into soap and alcohol  by the action o...

Q: Why does not silver evolve hydrogen on reacting with dil H2SO4

A: Silver is less reactive than hydrogen and so placed below hydrogen in the reactivity series. Metals ...

Q: 4.Suppose polyprotic acid H3X with Ka1=10-2, Ka2=10-5, Ka3 =10-10 . Answer the following questions f...

A: From the question it is clear that the given acid is triprotic and its respective first, second and ...

Q: Answer the following question about acetonitrile (CH3C≡N:). Question: Determine the hybridization of...

A: The hybridization of both C atoms and the N atom will be shown below:

Q: A gas decomposition reaction has an activation energy of 245 kJ/mol. The rate of the reaction can be...

A:                                                          

Q: State two ways to prevent the rusting of iron.

A: When iron gets contacted with oxygen existing in the atmosphere and moisture for long time period th...

Q: The purple pathway: the oxygen - flow to the C-O bond, then from the C=C bond to the carbon atom, th...

A: Electronegativity: An atom has a tendency to attract shared bonded electrons towards it. From the ab...

Q: 5- A solution of formic acid (HCOOH, K, = 1.8 ×10) has a pH of 2.70. Calculate the initial concentra...

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need f...

Q: How and by whom was the electron discovered? What basic properties of the electron were reported wit...

A: Models for electrons- J.Thomson in 1897 discovered electron with the help of cathode ray tube exper...

Q: Calculate the pH of a weak base which dissociates as   BOH ⇌ B+ + OH-   ( like  NH3 (g) + H2O(l) → N...

A: The dissociation reaction taking place is BOH ⇌ B+ + OH-  

Q: A blank MO diagram is provided below. Note that the atomic orbitals are not shown here. Please answe...

A: According to molecular orbital theory: Given species is : C2 The electronic configuration of carbon...

Q: How are oils chemically different from fats?

A: I am supposed to answer only one question as intructed.