How many grams of C,H, liquid must decompose according to the following chemical equation to transfer 430 kJ of heat? C,H,(1) → 3 C,H,(g) AH = 630 kJ

Q: If the half-life of a radioactive substance is 4 days how much material will remain after 16 days if...

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Q: एकचर्चर नेकट ा ४ mssme missmg greagend ठेवतत A)1. Li Al Hy 2 द00 anके Bar (2 09) 2. H301 १. ५३० CH3I...

A: Organic reactions are those in which organic reactant react to form organic products. In this reacti...

Q: A gas mixture, that has been formulated to simulate the atmosphere of another planet, contains: 320 ...

A: The atmosphere of another planet contains 320 mg methane, 175 mg argon and 225 mg nitrogen. The part...

Q: Question 10 Choose the correct product for the Diels-Alder reaction shown: A C A

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Q: HIT-NO=15641 SCORE= (P-METHYLPHENOXY ) ACETIC ACIO SDBS-NO=31558 IR-NIDA-47630 : NUJOL MULL LOD SD 4...

A: (p - methyl phenoxy)acetic acids IR spectrum has some characteristic peaks as listed in the followin...

Q: t temperature doe

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

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Q: Propose a route for the synthesis of the given compound starting from benzene and using an organopal...

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Q: One of the buffer systems the human body has to regulate pH is based on the phosphate anion. If bloo...

A: A buffer works best at the pH near to the pKa value of the involved acid. First calculate the pKa va...

Q: A cashew is burned in a soda can calorimeter, and heats up 0.245 kg of water by 3.65 °C. The calorim...

A: The mass of water in the calorimeter is = 0.245 g An increase in the temperature of the water is = 3...

Q: A student ran the following reaction in the laboratory at 271 K: 2NO(g) + Br2(g) = 2NOBR(g) When she...

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Q: Given the value of the equilibrium constant (K) for equation (a), calculate the equilibrium constant...

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Q: Consider the equilibrium system described by the chemical reaction below. For this reaction, Kc = 2....

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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: Silver chromate, AgCrO has a K = 9.010. When added to a 3.33E0 M KCrO(aq) solution, what molar conce...

A: Given , Silver chromate Ag2CrO4 Ksp of Ag2CrO4=9.0×10-12 Concentration of K2CrO4= 3.33

Q: Arrange the following oxyacids in order of decreasing acid strength. Rank from strongest to weakest ...

A: The strength of the acid can be determined by the stability of the conjugate base after the donation...

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

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Q: Which is true concerning yellow light? O it has a greater frequency than blue light O it has a longe...

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

Q: Why is it important to maintain equivalent proportions of reagents in adol condensation reaction of ...

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Q: 2. Copper is extracted from chalconite (Cu2S) via the following reactions: reaction a: 2 Cu2S + 3 02...

A: Limiting reagent is the reactant present in limited amount than required to completely react and for...

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

A: Given :  Volume of K2Cr2O7 = 100 ml = 0.10 litre Concentration of K2Cr2O7 = 10.0 g/litre  Volume of ...

Q: Look for the synthon. Identify where to make the disconnection. Then plan your synthesis. OH ?? 1. 2...

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Q: Part A The surface area of an object to be gold plated is 49.9 cm? and the density of gold is 19.3 g...

A: Given,  Surface area, A = 49.9 cm2 Density = 19.3 g/cm3 Current = 3.35 A  Thickness = 1.20x10-3 cm

Q: a photon of light has an energy of 8.01x10-23 J, what is its wavelength?  Use h = 6.626x10-34 J•s an...

A: Given-> Energy = 8.01× 10-23 J h= 6.626 ×10-34 J.s  c = 3.00 × 108 m/s  

Q: Consider a saturated solution of lead sulfide, PbS, in water. PbS(s) ⇌ Pb2+(aq) + S2-(aq) What is th...

A: When a reaction is at equilibrium and then more reactants are added to it then according to Le Chate...

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: How to interept this data to match the structure? It gives the peak/PPM and having trouble matching ...

A: The given NMR data is needed to be interpreted and the each signal obtained is needed to be assigned...

Q: What is the pH of a 0.681 M weak base solution? The Kp of the weak base is 0.000098.

A: Given:: Let HB is weak base then, [HB] =0.681 M Kb=0.000098   

Q: What is the pH of a 0.095 M C6H5CO2H M solution if the K, of C6 10-5? Your Answer: Answer

A: Given,  Concentration (C) = 0.0950 M Ka = 6.5 × 10-5 pKa = -log(6.5×10-5 )  = 4.19   

Q: Given 560 mL of oxygen at 7°C and 800 mmHg pressure, what volume does it take at 27°C and 500 mmHg p...

A: Combined gas law:   P1V1T1 = P2V2T2   Where P1 = 800 mmHg ; V1 = 560 mL ; T1 = 70C = 273+7 =280 K  

Q: mest acid strength

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Q: Give the product of the mentioned reaction. Give clear handwritten mechanism of reaction!

A: Ozonolysis of alkene: One of the important reactions of alkene is ozonolysis. In the ozonolysis reac...

Q: What is the Main Content uffer that is 0.452 M HF and 0.404 M LiF? The K, for HF is 3.5 x 10-4. Your...

A: Buffer solution :- A solution which resists the change in its pH value by the addition of small amou...

Q: Write the equilibrium constant expression, Kc, for the following reaction: Please enter the compound...

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Q: Rank each set of substituents using the Cahn-Ingold-Prelog sequence rules by numbering the highest p...

A: According to Cahn Ingold prelog sequence substituents with higher atomic number has highest priority...

Q: allergic to the odor of ammonia. You smelled an ammonia solution with the pH 9.3 yesterday and it wa...

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Q: Classify each of the following acids as strong or weak. Drag the appropriate items to their respecti...

A: The classification of acids are given below

Q: Calculate the actual, physiological deltaG for the reaction Phosphocreatine + ADP > creatine + ATP a...

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Q: Using the Law of Conservation of Mass, answer the following questions. If you need to review this co...

A: 142.As per law of conservation of mass, mass can neither be created nor be destroyed.  For the react...

Q: Part B Enter an equation to show how HC204 can act as an acid with HS acting as a base. Express your...

A: Step by step solution are below

Q: I Review | Constants | Periodic Rank the following compounds in order of decreasing acid strength us...

A: The order of acidity is given below

Q: A gas-phase decomposition is first-order with respect to the reactant, R. If the initial concentrati...

A: Integrated rate equation for first order reaction is,   ln [ A ]t = -kt + ln [ A ]0    [ A ]0  =  In...

Q: Consider the bomb calorimeter set-up. During the melting of the ice cube in the calorimeter, identif...

A: A question based thermochemistry that is to be accomplished.

Q: Ph H. + Ph2S + CH3 Ph predict relative stereochemistry (Hint: think about orbital alignment)

A: First step is nucleophilic addition of sulphur ylide in benzaldehyde...

Q: )  What is the energy per photon of infrared radiation with a wavelength of 2.96 μm? ____  J b)  Wh...

A: Wavelength = 2.96 x 10-6 m      

Q: Write the formula for the conjugate acid of each of the following bases. Part D CO3²- Express your a...

A: Step by step solution are below

Q: Be sure to answer all parts. The equilibrium constant K, for the reaction below is 0.00320 at a cert...

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

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Q: The electrolysis of molten AIClz for 4.25 hr with an electrical current of 25.0 A produces g of alum...

A: The amount of Aluminum produced can be calculated as follows