What would be the ideal buffer range for an acid if its Ka = 1.6 x 10-5?

Q: 7.00x105 and AH° = 182 kJ/mol at 673 K. Consider the following system at equilibrium where K. NH4I (...

A: Le chateliers principle states that when a system under equilibrium is subjected to any kind of stre...

Q: At equilibrium, a reaction vessel contains 4.50 atm of Br, and 1.10 atm of NB.3. According to the re...

A: Given Pressure of Br2 = 4.50 atm Pressure of NBr3 = 1.10 atm Reaction:  2 NBr3 (g) ⇌ N₂ (g) + 3 Br₂ ...

Q: icrowave radiation Itraviolet light nfrared radiation yellow light

A: Visible spectrum consist of seven colors radiations (VIBGYOR) So,  Microwave radiation  Ultraviolet...

Q: 7. Cot. Label all orbitals and circle the valence electrons in each diagram Draw condensed orbital d...

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Q: Туpes of Combustion (partial or complete) Compound Class of Saturated or Hydrocarbon Unsaturated n-Н...

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Q: minutes, how much will be left after 30 minutes? (1)   Fill in the blank with the last three digit ...

A: 1) if you have 722 mg of a radioactive  2) formula is  Kt = ln(A0/At)  

Q: What is the pH of 0.075 M methylammonium bromide, CH3NH3Br?  (Kb of CH3NH2 = 4.4 × 10−4.)

A: The value of Kb for the given weak base methylammonium bromide is = 4.4x10-4 The concentration of th...

Q: How many moles of K are there in a sample of K that contains 1.14x1024 atoms? moles Submit Answer Re...

A: The question  is based  on mole concept   According to Avogadros no. 1 mole of any substance  contai...

Q: Protectim of C=0 TSOH benzene HO reglux TS OH =

A: In presence of acid diol can protect carbonyl group.  

Q: Which one of the following sets of units is appropriate for a second-order rate constant? Multiple C...

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Q: 5. Give the reagent(s), conditions etc. needed to selectively protect the substrates below to the de...

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Q: Match each of the particle names with what they actually are. alpha particle V [ Choose ] high frequ...

A: Radioactivity can be defined as the process of spontaneous disintegration of unstable atomic nuclei ...

Q: Consider the following reaction where Ke = 6.30 at 723 K. 2NH3(g) EN2(g) + 3H2(g) A reaction mixture...

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...

Q: A popular science website explaining how to make your own beverage-carbonating device suggests that ...

A: Given: Pressure = 30 psi = 2.0414 atm Pressure = 45 psi = 3.062 atm temperature = 0 ℃   

Q: A metal sample is subjected to heating causing an energy loss of 2.89x10-19 Joules when an electron ...

A: Given: Energy released = 2.89 × 10-19 J  

Q: What is the molar solubility of BaF2 (Ksp = 1.8 x 10-7) in a solution containing 0.33 M KF(aq)?

A: BaF2(aq) -----> Ba+2(aq) + 2F-(aq)  Ksp = 1.8 x 10-7 

Q: 4. Two tanks are connected by a closed valve. Each TANK A tank is filled with gas as shown in the gi...

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Q: Consider the reaction 2 S(g) + 3 O2(g) → 2 SO3(g). Using the standard enthalpies of formation listed...

A: Here we have to determine the average bond energy of S=O .  For this we have to determine enthalpy o...

Q: Match the type of electromagnetic radiation with its wavelength. V [ Choose ] 50 m gamma rays 10 nm ...

A: The energy of the radiation is quantized and the energy of one photon is given by:

Q: The following chemical reaction takes place in aqueous solution: 2 AGNO,(aq)+K,CO3(aq) → Ag,CO3(s)+2...

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Q: HA and HB are both weak acids in water, and HB is a stronger acid than HA. Which of the following st...

A: Given-> ->HA and HB both are weak acid . ->But HB is stronger acid than HA.  

Q: Potassium permanganate, KMnO4, is produced commercially by oxidizing aqueous potassium manganate, K2...

A: Potassium manganate reacts with chlorine gas to form potassium permanganate. The equation for the ba...

Q: 7. Co. Label all orbitals and circle the valence electrons in each diagram Draw condensed orbital di...

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Q: The equilibrium constant, Ke, for the following reaction is 1.29×10-² at 600K. COCI,(g) co(g) + Cl2(...

A: Given reaction is : COCl2 (g) <------------> CO (g) + Cl2 (g)  Value of equilibrium constant =...

Q: Consider the following system at equilibrium where AH° = 18.8 k), and Kc = 9.52x10-2, at 350 K: CH4 ...

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

Q: If the filter paper is weighed before instead of after being placed in the 105°C oven for an hour, w...

A: Limiting reagents are those reactant which is present in  lesser amount and is consumed first, This ...

Q: 1. Give the mechanisms and product for the reaction below Li-OH EN: + Ho-H gas carboxylate

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Q: true or false the more stable chair conformation of a substitued cyclohexane has the greater number ...

A: In chair conformation the substituents can be placed at both equatorial and axial positions . But ma...

Q: A 20.0 mL solution of 0.200M weak acid HA is titrated with a 0.400M NaOH solution. (Ka of HA = 5.0 x...

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Q: A student ran the following reaction in the laboratory at 565 K: Co(g) + Cl2(g) = cocl2(g) When she ...

A: Recall the given reaction :     CO (g) +  Cl2 (g)  <------>  COCl2 (g)  The equilibrium concen...

Q: What is the equilibrium constant K for a reaction which has ΔrG° = 73.9 kJ mol-1 , valid at a temper...

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Q: When the reaction A → B +C is studied, a plot of In[A]tvs. time gives a straight line with a negativ...

A: Reaction:         A     -------->    B   +    C Given : Ln [A]t   Vs   time  graph is straight li...

Q: Part A Draw the condensed structural formula of the amine salt formed when lidocaine reacts with HCI...

A: GIVEN:- Draw the condensed structural formula of the amine salt formed when lidocaine reacts HCI.

Q: t temperature doe

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Q: Ammonium phosphate ((NH,), PO, is an important ingredlent in many fertilizers. It can be made by rea...

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Q: Predict the products of the reaction below. That is, complete the right-hand side of the chemical eq...

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Q: How many L of 4.0 M solution can be made with 132g of NaCI?

A: Given,  The mass of NaCl = 132 g.  The molarity of NaCl solution = 4.0 M. 

Q: What is conservation of energy and how does it relate to chemical reactions?

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Q: Sodium hydroxide is described as a strong alkali because it reacts with strong acid only. В. А. is c...

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

Q: H,0 HO

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Q: The decomposition of SOCI2 is first-order in SOCI2. If the half-life for the reaction is 4.1 hr, how...

A: Given :-  Initial concentration of reactant = 0.36 M Final concentration of reactant = 0.045 M  Half...

Q: 1. Define the term neurotransmitter, give structural formulas i\of three neurotransmitters in CNS.

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Q: Write a schematic diagram of the procedure for the synthesis of tert- Butyl chloride by an Sn1 react...

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Q: If 30.00 L of nitrogen gas and 70.00 L of hydrogen where allowed to react, how many liters of ammoni...

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is gi...

Q: If 100.0 mL of potassium dichromate solution (10.0 g of K2Cr207 per liter) was mixed with 75.0 mL of...

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Q: benzene reflux 2) AcyO diexane, it Hzo, reylux 人人 Ac, O

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Q: A chemistry graduate student is studying the rate of this reaction! 2HI (g) -H, () + 1, (g) He fills...

A: The given reaction is  2HI (g) ---> H2(g) + I2(g) Rate law expression states that rate of a react...

Q: Least basicity

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Q: The equilibrium constant, K, for the following reaction is 1.20x10-2 at 500 K. PCI5(g) PCI3(g) + Cl2...

A: Kc is the ratio of  product of concentration of products raised to their stoichiometric coefficient ...

Q: The equilibrium constant, K, for the following reaction is 1.29×10-2 at 600 K. COCI2(g) CO(g) + Cl2(...

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