4signals ille PPM OH Он

Q: Calculate the mass, in grams of silver will be formed when 11 A are passed through molten AgCl for…

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Q: A 2.0 gram of a certain substance with a molecular weight of 100 g/mol is dissolved in a 500 ml…

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Q: Give the clear handwritten answer with explanation...give the mechanism of sub parts  given bleow…

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Q: 1.In the properties of a system listed below, which one is not state function A U B S С Р D Q

A: State functions in thermodynamics, depend on only initial and finals position and not depend on the…

Q: Give the correct IUPAC name for the following compound. For alkenes, when appropriate, indicate…

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Q: do all the elements have the same number of valence electrons?     P, As, Se     P, S, Cl…

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Q: A temperature change affects K: higher T K for an endothermic reaction (positive AHrxn) and, K for…

A: For a general reversible reaction  A(g) ↔ B(g)  The expression for equilibrium constant , K is  K =…

Q: write half equations for the following conversions and state whether the conversion is an oxidation…

A: Given,  a) H2O2 to O2 b)H2O2 to H2O The half reactions is:

Q: Which of the toilowing nucides would you epect to be radoactive Fe.Co.h eyadu Check al that apply Co…

A: Stability of nuclei can be predicted using the n/p ratio, however, it may not work in all case. For…

Q: D Question 34 8.0 g of nitrogen is reacted with 5.0 g of hydrogen to produce ammonia according to…

A: The balance chemical reaction :  N2(g) + 3H2(g) ----> 2NH3(g)  Mass of nitrogen = 8.0 g  Mass of…

Q: Calculate the heat absorbed when 68.8g of ice at -30 C is converted to steam at 160 C

A: The process has steps like  I. Heating of ice to 0oC II. Melting of ice at 0oC III. Heating of water…

Q: Part C MISSED THIS? Read Section 19.6 (Pages 863-867): Watch KCV 19.6. IWE 19.4. AH - 98 kJ, ASn-145…

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Q: CE264 students prepared 59.5 g of cement and 60mL of kerosene. They put the kerosene inside the le…

A: Here we are required to find the specific gravity of cement  Density of water =1g/ml

Q: 8.A sample of 1 mol ideal gas is heated at constant pressure, when the temperature is raised 1 K,…

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Q: ्छुकण्ट नैनंजपर जपपट ज मह पडरव्ंट ककर कीववे ड oocंबटd कटक खकं नी कhर कीठिमेकम तनतरिण्पकव रठ…

A: Sodium ethoxide is base and it will abstract acidic proton from active methylene group which…

Q: QUESTION 24 Indicate if the folloing statement is true or false about N-ethyl-1 hexamine. It is a…

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Q: Alanine, abbreviated HAla, is an amino acid in protein. If 21.05 mL of 0.145 M NaOH neutralizes…

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Q: A voltaic electrochemical cell is constructed using the following reaction. The half-cell components…

A: 1.) At anode oxidation takes place . Oxidation is lose of electrons.  2.) At cathode reduction takes…

Q: Cottoid partictes are- (a) Smaller tham Solu tion particles (b) range 5-1000g ७) खनठट (d) nge range…

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Q: 2. Determine the multiplicity of the following protons. (i.e. singlet, doublet, etc.) Hc Hc HB HA НА…

A: Determine the multiplicity of the following protons

Q: We compare the values of Q and K to predict the direction in which a reaction will proceed toward…

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Q: Mass of oleic acid (glyceryl trioleate)=3.978g Mass of soap (sodium oleate)=3.8954g Moles of Oleic…

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Q: Outline a synthesis of acetylcholine iodide using dimethylamine, oxirane, iodomethane, and acetyl…

A: Oxiranes are potential intermediate for the synthesis of variety of functional groups. Oxiranes /…

Q: Give a clear handwritten answer with explanation....

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Q: Predict the effect of adding more H,(g) to a constant-volume equilibrium mixture of N, H, and NH,.…

A: In this question, we will see the effect on equilibrium reaction after addition of hydrogen gas in…

Q: Diphenylamine soluble or insoluble to the following: Water NaOH HCl Ethanol

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Q: raw the products formed if the compound reacts with: [assymetric synthesis] a.) NADH (Re…

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Q: ompound Formation K- Br. - K][:Br:] KBr K: + ·Br: Potassium Bromide

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Q: You wish to construct an electrochemical cell from the following half- reactions: Ag* (ag) + e -->…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 5. Given the reaction 2 CO(g) + 0,(g) 2 CO(g), what is the effect of adding O, (g) to a…

A: Given reaction , 2CO (g) + O2 (g) <----->2CO (g) we have to see effect of adding O2

Q: Name the reagent for this conversion....also write the mechanism

A: Name of reagent for this conversion is Thiamine pyrophosphate is used for decarboxylation in the…

Q: Calculate the mass defect of 19  9F Use 18.9984 amu as the actual mass of 19  9F

A: Given, Mass of 919F= 18.9984 amu mass defect = ?

Q: The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. Calculate the change in entropy AS…

A: We have to predict the change in entropy.

Q: 1.ln the properties of a system listed below, which one is not state function A U B S С Р D Q

A: Given properties are :  A. U  B. S C. P  D. Q  Which one is not state function = ?

Q: 2. Consider the following equilibria: 2S0;(g) = 2S02(g) + O2(g) K.= 2.3 x 10-7 2NO;(g) = 2NO2(g) +…

A: Characteristics of equilibrium constant:  If reaction is reversed equilibrium constant is…

Q: Consider the following equilibrium: 2H2S(g) = 2H2(g) + Sz(9) Kc = 2.3 x 104 at 1405 K. a) Calculate…

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Q: How do you label an energy diagram of a chemical reaction?   What is a catalyst and how does it…

A: The progress of a reaction can be represented by the reaction coordinate diagram. In a reaction…

Q: Sodium bicarbonate can be used to neutralize stomach acid, HCl(aq) and costs approximately 50 cents…

A: NaHCO3(s) + HCl(aq) --> NaCl(aq) +CO2(g) + H2O(l) At equivalence point Number of moles of NaHCO3…

Q: eri to eron 3 HO Seidete HS

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Q: A 15 mL sample of water from the lemur exhibit required 3.95 mL of a sulfuric acid titrant to reacht…

A: Answer: This question is based on stoichiometric calculation where we have to convert the moles of…

Q: Write the precipitation reaction for potassium sulfide in aqueous solution: Be sure to specify the…

A: Solubility is the ability of a substance, the solute, to form a solution with another substance.

Q: Br (a) -F LO (h) CI CI (c) d)

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Q: The Pauli Exclusion Principle tells us that no two electrons in an atom can have the same four…

A: For 3s orbital, possible value of each quantum number ?

Q: ecount write ithe reaction mech anism of' following regetion coith 8tep-by Stepf

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Q: Consider the following equation in aqueous solution: Cr.0, (aq) + S,0,(aq)→ Cr* (aq) + S,0,²(aq) >…

A: In this question we have to write balance half reaction for reduction in acidic solution.

Q: A 16.2 g sample of a gas occupies 1.80 L at 756 torr and 25.0 °C. a) What is the formula mass of…

A: Given :-  Mass of sample of gas = 16.2 g  Volume = 1.80 L  Pressure = 756 torr  Temperature = 25.0°C…

Q: W 17 A 0.36 M hydrocyanic acid (HCN) solution has a pH of 4.87. Give: (a) the balanced equation for…

A: Given, Concentration(C) = 0.36 M pH = 4.87 pH = -log([H+]) [H+] = 10-4.87 = 1.35×10-5 M a)…

Q: (Q66). What is the change in entropy (in J/K) when 16.9 g of liquid hexane boils at its normal…

A: we need to calculate the change in entropy for hexane

Q: For a gas, which two variables are directly proportional to each other (if all other conditions…

A: Ideal gas equation is as follows - PV = nRT If volume of the gas is constant and gas constant is…

Q: Consider the following equilibrium: N,0, )- 2NO, ) AG"-5.4 kJ Now suppose a reaction vessel is…

A: Answer: Given data: ∆G°=5.4kJ∆G°=5.4×1000J∆G°=5400J T=528°CT=(528+273)KT=801K

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.