What volume of a 0.470M HCl reacted with enough Zn metal to produce 1.50 g ZnC12 based on the following reaction? Zn(s) + 2 HCl(aq) -> ZnCl2(aq) + H2(g) Molar mass of ZnC12 = 136.29 g/mol %3D

Q: 11. A 101.3-mg sample of an organic compound known to contain Cl is burned in pure O2 and the combus...

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Q: When CO(g) reacts with 02(g) according to the following reaction, 283 kJ of energy are evolved for e...

A: We need to write value of ∆H , for this we need to check sign and total energy. 

Q: Consider the following endothermic reaction at 345.0 °C HBr (g) = > H2 (g) + Bi2 (g) Kp=4.18×10^-9 A...

A: Equilibrium constant in terms of partial pressure ( Kp ) is the ratio of partial pressures of produc...

Q: Titrations are generally both more accurate and more precise the smaller the concentration of titran...

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Q: For a first-order parallel reaction, the Arrhenius factor for formation of two products are 20000 an...

A: Answer: This question is based on Arrhenius equation which is shown below: k=Ae-EaRT Here: k=rate co...

Q: consider the reaction N2(g)+ 3H2(g)-2NH3(g) suppose that a particular moment during the reaction , m...

A: Rate of formation of Hydrogen = 0.074M/s 

Q: Based on the table you completed above, decide whether the low solubility of KHT at room temperature...

A: KHT (potassium hydrogen tartrate) is a salt of very strong base KOH and weak acid tartaric acid.  

Q: 4. Calculate the change in thermal energy (Q) with the given: 1 kilogram of water, 1 degree Kelvin. ...

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Q: Classify each statement about electromagnetic radiation as true or false. True False Answer Bank X-r...

A: Electromagnetic radiations has both magnetic and electric fields and travels in waves .It can vary f...

Q: Examine the following reaction. 4 Al 203 (s) + 3 CI (aq) = 8 AI( s) +3 CIO 4 (aq) What is the equili...

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Q: Does the effect of intermolecular attraction on the properties of a gas become more significant or l...

A: Gases have negligible intermolecular attractions. The order of intermolecular attractions are in the...

Q: The table below shows the temperature data for a corn field in the month of April. From thace data, ...

A: Growing degree units : During the growing season of plants and crops , it is the unit to monitor gro...

Q: CH3CH2CH2CH2CH2CH2COH  CH3CH2CH2CH2CH2COOH CH3CH2CH2CH2CH2CH2CHCH2 CH3CH2CH2CH2CH2CH2CH2OH a) Whi...

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Q: .CI CI A B O A О в Neither, they react at the same rate

A: Elimination Reaction : 

Q: Draw the major intermediate and product of the reaction between (2E)-4-methylhex-2-ene and Brz in th...

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Q: 5,5-dimethylhept-3-ene was reacted with HBr. Provide the reaction mechanism of this reaction.

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Q: 18. Consider the following reaction which has a has Kc = 0.054 at a certain temperature: PCISG) = PC...

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Q: Q2. Consider CH4 is a planar molecule and prove that it is wrong from the molecular orbital theoI

A: CH4 is planar molecule  this statement is Wrong. CH4 is Tetrahedral molecule.

Q: Calculate the pH and the equilibrium concentrations of HCO3- and CO32- in a 0.0257 M carbonic acid s...

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Q: Draw Step 2 of the mechanism. I Edit Drawing

A: The given reaction is a type of Nucleophilic addition followed by substitution.

Q: I need help calculating the remaining values please!!!!

A: A question based on mole concept that is to be accomplished.

Q: 9. The % w/w of I- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL o...

A: Volhard method is method used for the determination of halide concentration via back titration metho...

Q: Determine the enthalpy of reaction (DHpxn) in kJ/ mol H20 formed if an acid/base neutralization if 1...

A: We have to predict the enthalpy of the reaction.  

Q: Substantiate the following: (i). Cyclopentadienyl anion is stable (ii) Cyclopropenyl cation is stabl...

A: Rules For Aromaticity Molecule must be cyclic. Every atom in the ring must be conjugated. Molecule ...

Q: On which of these quantities does the rate constant of a reaction depend: concentration of reactants...

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Q: Describe how an ICP plasma torch (atomizer) operates, why it may be necessary to use one, and some a...

A: ICP plasma torch consists of a mixture of gases which are electrically neutral (containing cations a...

Q: 6. A gas mixture consists of 320 mg methane, 175 mg of argon, and 225 mg of neon. The partial pressu...

A: First we have to calculate moles of each gas in the mixture and from that we can determine total mol...

Q: Determine the change in entropy (ASsys), for the expansion of 0.600 mole of an ideal gas from 2.00 L...

A: Moles of ideal gas (n) = 0.600 mol Intial volume (V1) = 2.00 L Final volume (V2) = 3.00 L

Q: The % w/w of F- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL of 0...

A: Ans.   There are two precipitates in this analysis: AgNO3 and I– form a precipitate of AgI, and AgNO...

Q: 11. A 101.3-mg sample of an organic compound known to contain Cl is burned in pure O2 and the combus...

A:

Q: Given the same reactant concentrations, the reaction COg) + Cl,(8) → COC,(8) at 245°C is 136 times a...

A: Recall the given reaction, CO (g) + Cl2 (g) -------> COCl2 (g) . The reaction at 245◦C is 136 tim...

Q: er is incorrect. wing equilibrium system: e, the rate of N-0 ale) being consumed is 1.0 M/s while th...

A: At equilibrium, rate of forward reaction is equal to rate of reverse reaction. From the given inform...

Q: What is the connection of polarity to the formation of intermolecular forces of attraction?

A: Polarity of molecules leads to partial positive and negative charge on the molecule.

Q: What exactly is SEO?

A:                                   Answer  What exactly is SEO its means  Search engine optimization 

Q: Write the complex hydrogen atom wave functions, 2p-1, 2po, and 2p1 in terms of the real wave functio...

A: We need to write the complex wavefunctions in terms of the real wavefunctions.

Q: b. Mass of I- in the sample. O 0.1438 g O 0.1722 g O 0.1623 g O 0.1939 g O 0.1840 g

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Q: 3. (77, 87, 133) The complete combustion of ethanol is performed according to the reaction given bel...

A: Since you have multiple questions we will answer the first three subparts of the first question one ...

Q: 9. The % w/w of l- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL o...

A: amount of AgNO3 =50 mL X 0.04980 M =2.49 mmol amount of KSCN = 22.76 mL X 0.05322 M =1.2112 mmol  

Q: Current Attempt in Progress Examine the following reaction. 3 CO 2(8) + 2 Fe(s) = Fe 203(s) +3 CO(8)...

A: Here we are required to find the equilibrium expression for the given equilibrium reaction.

Q: Enter your answer in the provided box. The reaction 2A → B is first order in A with a rate constant ...

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Q: direction: identify the reducing agent and oxidizing agent in the following reactions

A: We have to identify the oxidising and reducing agent  Oxidation - loss of an electron , oxidation st...

Q: 1. The Chemical structure of 5-Bromo-4-Chloro-1- methylcyclohexene is А. Вr CI В. Вг CI С. Вг Br. D....

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Q: H.

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Q: Da.4 O b.3 O d.2

A: From the significant figures rule , in division the number of significant figures in answer is same ...

Q: The acid dissociation constant K of carbonic acid (H,CO,) is 4.5 x 10. Calculate the pH of a 2.0M so...

A: ★ Answer : pH of 2.0 M carbonic acid solution is 3.0    ★ Solution :   H2CO3 is a weak acid that dis...

Q: CH3 O2N. NO2 ZON NO2

A: The given compound is Trinitro toluene ( TNT) 

Q: 3. Calculate the mass of water vapor present in a room of volume 400 m 3 that contains air at 27°C o...

A: