Which is the bonding and which is the anti-bonding orbital? Describe the differences in these two orbitals with respect to the number of nodes present, the relative electron density located between the atoms versus that located outside the inter-nuclear region, and the overall size of regions with the same phase. How do you expect the wavelength of the electron to vary between these two orbitals? What about the relative energy of the electron in these two states? Explain

Q: 12. Determine how many grams of each of the following solutes would be needed to make 2.50 x 102 mL ...

A:

Q: Which compound(s) can be combined with hexanol to produce hexyl propanoate? Check all that apply.

A: Ester can be formed by condensation reaction between alcohol and acid/acid derivatives in presence o...

Q: Refer to the (unbalanced) equation CS2 + Cao – CO2 + CaS. How many grams of CaS are produced if 53 g...

A: Weight of CO2= 53 gram  CS2+CaO-> CO2 + CaS     

Q: How many liters of 6.0 M NaOH are needed to prepare 355 milliliters of 2.5 M NaOH?

A:

Q: 2) Write and balance this reaction: solid iron (III) oxide produces solid iron plus oxygen gas. Iden...

A:

Q: The registered pharmacy technician prepares 1800mL of drug (X) solution by dissolving 5 tablets of d...

A: 1800 mL of drug (X) solution was prepared by dissolving 5 tablets of drug X. Each tablet of drug X c...

Q: 4. Consider the following system at 100°C: N,O,(g) = 2NO,g) K= 11 Predict the direction in which rea...

A: Given-> N2O4(g) ---> 2NO2(g).       K= 11 Initial mole of N2O4 = 0.10 moles Initial mole of NO...

Q: To produce a formate buffer solution that is at a pH of 4.06, what should the concentration of the f...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: An iron ore was analyzed by dissolving a 2.9912-g sample in concentrated HCI. The resulting solution...

A: Given: Mass of ore sample used = 2.9912 g. And mass of Fe2O3 obtained = 0.8394 g.  

Q: Predict the product, if any, of reaction between methyl propanoate and CH3CO2- +Na.

A: When methyl propanoate is treated with the sodium acetate then there will no chemical reaction occur...

Q: Consider the reaction: H,C,O, + KMNO, + H,SO, of H,C,O, in order to balance the equation? CO, + MNSO...

A: Given : unbalanced equation

Q: Over time, BPB converts to a colorless molecule in the presence of OH¯ ions. To study the rate of th...

A: "Since you have asked multiple questions, we will solve the first question (first trial- Part f and ...

Q: HCIO is a weak acid (K, = 4.0 x 10-) and so the salt NaCIO acts as a weak base. What is the pH of a ...

A:

Q: 72.1 g C2 H6O in 2.18 L of solution Express your answer using three significant figures. ΑΣφ molarit...

A: Molarity = number of moles of solute÷ volume of solution in L     

Q: Consider the following reaction at equilibrium: 2NO₂(g) ⇌ N₂O₄(g) The ∆H° for this reaction is < 0. ...

A: Given : reaction

Q: The registered pharmacy technician receives a prescription for 100 of 17% w/ v salicylic acid ointme...

A: Given: prescription required = 17 % w/v salicylic acid ointment. Amount of ointment required = 100 g...

Q: Chemotry Review Name Chemistry: Stoichiometry Practice Part 1: BALANCE the following equations and t...

A:

Q: The structure below represents a tetrahedral alkoxide-ion intermediate formed by addition of a nucle...

A: In the given intermediate the tetrahedral carbon formed the acid derivative attached with an ester g...

Q: A Mass Spectra analysis was carried out with the following results. Explain what you can and cannot ...

A: Molecular mass of the molecule is equal to the m/z value of the molecular ion peak.

Q: Give an example for each of the following and provide an explanation.   1. A spontaneous process 2. ...

A: A spontaneous process is the process which takes place on its own without any external force. 

Q: One mole of iron None of the other choices is correct. O is heavier than one mole of lead (Pb). O is...

A: Given  One mole of iron

Q: Consider then molecular orbitals for 1,3,5 hexatriene. Draw u 1owest energy (bonding) combination of...

A: ORBITAL DIAGRAM FOR 1,3,5-hexatriene.,  

Q: Calculate the pH of the following: - 0.10 M alanine hydrochloride

A:

Q: What is the blanced chemical equation for. HNO3 + AgNO3 + K2003

A: Given incomplete reaction is :  HNO3 + AgNO3 + K2CO3 --------------&gt; ?  Complete this reaction 

Q: H. Br エ

A:

Q: Starting with the following equation, Fe,O3(s) + Al(s) → Fe(1) + Al,O3(s) calculate the moles of Fe,...

A: Given : Mass of Fe = 645g

Q: 3 The synthesis of methanol from carbon dioxide and hydrogen has a AG°= -25.1 kJ/mol. What is the va...

A: At equilibrium Gibbs free energy  ∆G0 = - RT ln K  ∆G0= - 25.1 KJ / mol R = 0.008314 KJ / mol k T = ...

Q: CH,CH CH,0 OCH CH,CH-CH `NH2 CH

A: Given : We have to make product for the given reaction.

Q: Give the balanced net ionic equations Barium hydroxide (aq) + acetic acid (aq) Barium acetate(aq) +...

A:

Q: HO 2. -6 steps H2N + any 1C reagents OH

A: The crucial steps for the given conversion are 1. Protection of carbonyl 2. Reaction with grignard 3...

Q: 3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in a...

A:

Q: find Ka for acetic acid from following half equivalence data point of half equivalence : 5 mL half ...

A: Concept:  Half equivalent point: In a titration the half equivalence point represents the point at w...

Q: b. A solution was prepared by dissolving 3.5 grams of ammonium chloride and 2 grams of ammonium hydr...

A:

Q: What will be the reduction potential of Zn+2/Zn electrode when zinc metal is in contact with 0.1M H2...

A: Zinc metal is in contact with 0.1 M H2SO4 solution at 25◦ C.  We have to calculate the reduction pot...

Q: The pKa of hypochlorous acid is 7.530. A 59.0 mL solution of 0.133 M sodium hypochlorite (NaOCl) is ...

A: 59.0 mL of 0.133 M sodium hypochlorite (NaOCl) is titrated with 0.323 M HCl solution. The pKa of hyp...

Q: changes. 2. An equilibrium exists when a reaction's forward rate eguals its reverse rate. Answer the...

A: For a fixed volume of solution, concentration = Number of mols  Then rate of consumption of reactant...

Q: How many moles of Cl atoms are there in 65.2 g CHCI3? O 1.64 mol O 3.00 mol O 0.548 mol O 1.09 mol

A: To solve this problem we have to first find the mole of CHCl3 then mole of Cl will be calculated .  

Q: n which direction will the following equilibrium shift when solid calcium chloride is added? AgCl(s...

A:

Q: What will be the major organic product from the acid-catalysed hydration of 1- butene (CH,=CHCH,CH)?...

A:

Q: Consider this table of indicators and their properties. Indicator Low pH color Color change pH inter...

A: Pure water has a pH of 7 at 25o C, so an indicator which has 7 in its colour change range could be u...

Q: The pK, of hypochlorous acid is 7.530. A 59.0 mL solution of 0.114 M sodium hypochlorite (NaOCI) is ...

A:

Q: 30:(9) -- 20:(9) decreasing the volume will shift equilibrium in the direction of products decreasin...

A: To identify: The shift in the equilibrium due to a decrease in the volume.  

Q: Which of the following samples contains the greatest number of atoms? O 2.0 mole of Ar O 0.1 mole of...

A: In this question, which sample contains the greatest number of atoms.

Q: Calculate DS°m when ice at 100 K (D = delta and m = subscript for molar entropy--same for Cp,m being...

A: Overall process can be represented as: H2O(s),100 K→H2O(g), 500 K

Q: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of g/...

A:

Q: HO COH

A: Given reaction is : Add curved arrow(s) to draw step 3 of the mechanism. Modify the given drawing o...

Q: Part D decreasing the volume of the container The equilibrium concentration of NH, will decrease. Th...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: 5. Study the following electron configurations for Am (atomic number 95) and Cm (atomic number 96): ...

A: The electronic configuration is a summary of where the electrons are to be placed around the nucleus...

Q: The ?a of a weak monoprotic acid is2.72×10−5. What is the pH of a 0.0751 M solution of this acid?

A:

Q: How many grams of NaCl would you need to make 100 ml of a 9.7%(m/v) solution of NaCl?

A: Given, a NaCl solution with concentration 9.7 % ( w/v)we are asked to calculate the amount of NaCl r...