Chanes Law rew wlume is 7 SML. Aaro gen qu.was.cases fro I50°c What nas its original olume?

Q: What is the density of methane gas, CH4 at STP?

A: STP means standard temperature and pressure  Temperature is 0°C or 273 K  Pressure is 1 atm 

Q: Which of the following is not attributed to boiling? Select one:   a. Rapid process   b. Occu...

A: Which of the following is not attributed to boiling?

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs o...

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Q: 1.1(a) (a) Could 131 g of xenon gas in a vessel of volume 1.0 dm³ exert a pressure of 20 atm at 25°C...

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Q: pose 5.056 grams of an unknown solute are dissolved in 50.0 ams of phenol (C6H50H). The resulting s...

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Q: Suppose you have an 8-hour ozone value of 0.088 ppm, and a PM2.5 value of 35.7 pg/m3. The AQI value ...

A: AQI stands for Air Quality Index which serves as a means to measure the extent of Air Pollution.

Q: 1.5 m exerts c 2.

A: Given: density of oil ρoil=900kg/m3 width of tank B=3m Diameter of ABd=1m

Q: 6. The following molecule is known to have a pocket that accommodates the phenyl ring. Give 2 potent...

A: Nitrogen and oxygene with no hydrogen atoms attached to them act as potential hydrogen bond acceptor...

Q: Packing Efficiency Since the layering pattern in all of the lattices leaves empty space between the ...

A: We have total three types of crystal systems in Solid state  1)  Simple cubic 2) face center cubic (...

Q: All of the following given are colligative properties except ? Select one: a. Boiling Point Solution...

A: Given; To identify the option which is not a colligative property.  

Q: hat is the percent yield if the combustion of gasoline results in 627 grams of steam produced when a...

A: Given : We have to calculate the percentage yield .

Q: A.) What is the temperature of 0.45 mol of gas at a pressure of 1.0 atm and a volume of 12.0 L ? Ex...

A: Ideal gas equation gives the relationship between pressure, volume, number of moles and temperature ...

Q: a) Briefly explain the various steps involved in Carnot cycle. b) A steam engine operates between te...

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Q: The osmotic pressure of solution containing 7.0g of insulin per liter is 23 torr @ 25degrees Celsiu...

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Q: A tiny sample of an aqueous solution of two substances R and P is sketched below, as if it was under...

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

Q: Question 2 The following reaction has an average rate of disappearance of H2 of 0.00135 M min in the...

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Q: Given the following reactions, name the organic product(s) produced, if there is a reaction. If no r...

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Q: Sucrose also known as invert sugar car

A: In the above question we have to select true or false statement on the basis of above information th...

Q: a. Find the pH of a solution that is 0.500 M in formic acid and 0.300 M in sodium formate. K. (formi...

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Q: When balancing PbO, +Hg→Hg,+ + Pb²+ in acid solution, the correct answer is PbO, + 4H*+2Hg→Pb²+2H,0+...

A: Balanced the given redox reaction under acidic conditions----

Q: What is the expression for Ka2? Ka2=([H 3 O^ + ][HPO 4 ^ 2- ])/([H 2 PO 4 ^ - ]); Ka2=([H 3 O^ + ]+[...

A: H3PO4 is tribasic acid so it's show three dissociation constants.

Q: a. Calculate the molar mass of P2O5. Molar mass = g/mol b. Calculate the molar mass of Ca3 (PO4)2 - ...

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Q: Consider the reaction below. Which species are conjugate acid/base pairs? HSO, (aq) + HCN (aq) = H,S...

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Q: esign a synthesis of (E)-2-methyl-4-octane, beginning with any neutral molecules with 5 or few carbo...

A: a) Synthesis of (E)-2-methyl-4-octane b) Synthesis of dodec-6-yne Both the synthesis are given in th...

Q: Write the equilibrium constant expression for this reaction: 2H (aq)+so, (aq) H,SO,(aq)

A: • The given reaction is,       2 H+(aq) + SO42-(aq) → H2SO4(aq)      • We need to write the equilibr...

Q: titration reactions, what do you call the chemicals where the concentrations is unknown? Select one:...

A: Titration can be defined as the volumetric analysis for determination of  the concentration of a sub...

Q: A student determines [FeSCN2+] is 0.00011 M at equilibrium. If the initial concentration of Fe3+ was...

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Q: H,SO, SO,H (fuming) . Provide a reasonable curved arrow mechanism for the following

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Q: Which of the following best describes dextrans? O The main linkage between glucose units is a1-4 O C...

A: the answer is shown below.  

Q: What is the reading of the caliper? mm 10 20 30 40 50 1 5. 8 A 7.14mm B 7.35 7.70mm D 7.80mm E None ...

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Q: Consider the reaction of NH, and I, to give N, and HI. 2 NH, (g) + 3 1, (g) N,(g) + 6 HI(g) K Using ...

A: Equilibrium constant is the ratio between reactant and product concentration at equilibrium state. A...

Q: At 25oC the vapor pressure of pure benzene is 93.9 torr. When a non-volatile solvent is dissolved in...

A: Relative lowering of vapor pressure:

Q: Predicting the qualitative acid-base properties of salts Consider the following data on some weak ac...

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Q: Aspartame is the artificial sweetener sold as a Nutrasweet and Equal sweetener over the counter. Its...

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Q: Find the mass of each element in 82.8 g of Jadeite (AlNaO6Si2). Hint: Al=Aluminum

A: The mass of each element can be determined by the number of moles of compound. The number of moles o...

Q: What mass of aluminum is necessary to produce 4.72L of hydrogen of STP? Aluminum + Nitric Acid > Al...

A: Given reaction is ., Al + HNO3 ----> Al(NO3)3 + H2 Balanced reaction is., 2 Al + 6 HNO3 ----> ...

Q: Question 4 of 24 Submit Write the formula of the conjugate base of the Brønsted-Lowry acid, HCIO,

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Q: 3.4: Metathesis reactions. Describe any reactions observed. Identify 2nd Reactant 1.0M Naci 4.OM HGI...

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Q: An empty steel container is filled with 0.0620 atm of HF. The system is allowed to reach equilibrium...

A: The equilibrium constant (Kp) of a reaction is the ratio between partial pressure of product the the...

Q: What is the pH of a solution in which 15 mL of 0.10M NaOH js added to 25 mL of 0.10 M HC1? pH = %3D

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Q: According to the following reaction, how many grams of calcium hydroxide are necessary to form 0.439...

A: Reaction :  Sulphuric acid (aq) + calcium hydroxide (s)  ----> calcium sulfate (s) + water(l)  Nu...

Q: A sample of 7.92 g of Mg(OH)2 is added to 24.2 mL of 0.225 MΗΝΟ, . Part D How many moles of HNO3 are...

A: Given: Mass of Mg(OH)2 = 7.92 g. Concentration of HNO3 = 0.225 M And volume of HNO3 taken = 24.2 mL ...

Q: Which of the following is the correct expression for the pressure based equilibrium constant for the...

A: The correct Kp expression is : Kp  = PN2O4  / P2NO2  ----> option(C)

Q: A solution contains 10.0 g pentane, C5H12, 10.0 g hexane, C6H14 and 10.0 g benzene, C6H6. What is th...

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Q: Each of the following alcohols is named incorrectly. Draw structural formulas, and then give the cor...

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Q: How would you make a 1 mL 0.8% Tween-20 solution in PBS from a 10% stock solution?

A: Tween-20 is polysorbate 20 with molecular formula C58H114O26 Its molecular weight is 1226g/mol Conce...

Q: enough water to make 250.0 mL of solution. What is the molarity of silver nitrate in the solution? (...

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Q: why do electron withdrawing groups destabilise negative charges?

A: Electron withdrawing group stabilize the negative charges   

Q: Using titration reaction employing normality concentrations, what is the design instrument mathemati...

A: Answer: In the titration with the help of the solution of known concentration, we find out the unkno...

Q: If there is no toxicology unit in the crime laboratory, the respective works will be conducted in th...

A: Forensic toxicology is associated with the medicolegal aspects of toxicology and it plays an essenti...