Give 3 other applications of the Golden number found in Nature

Q: A 2.05 g sample of an unknown compound contains H, S, and O. If the compound contains 0.050 g H and ...

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Q: How many moles of H2(g) are generated by the complete reaction of 0.145g of Mg(s) with excess HCl(aq...

A: The balanced reaction is ., Mg (s) + 2HCl (aq) ----> MgCl2 (s) + H2 (g)  

Q: 2. Based on the MolView activity, which compound has the most covalent bonds? A. Water B. Hydrogen...

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Q: Qualitatively pre entropy For each chemical reaction listed in the first column of the table below, ...

A: Reactions : MgCl2(s) + H2O(L) ---> MgO(s) + 2HCl(g)  2C2H6(g) + 7O2(g) ---> 4CO2(g) + 6H2O(g) ...

Q: The following data were acquired in an iodination experiment involving acetone. Reaction times are f...

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Q: What mass of KO, produces 235 g of 0,?

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Q: In this reaction, 22.7 g of lithium nitrate reacts 16.5 g of barium sulfate. What will be the mass o...

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Q: Calculate the solubility at 25 °C of BaCro, in pure water and in a 0.0140M BaCl, solution. You'll fi...

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Q: A. В. `NH2 D. STransmittance STransm ttance * 8 2 S 8 3 8 3571.14 3354.51 3189.74 2057.18 69 SELE KR...

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Q: Ammonium phosphate ((NH,),PO4) is an important ingredient in many fertilizers. It can be made by rea...

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Q: Which substance in each of the following pairs is capable of H-bonding: a. CH,NH, and CH,F b. CO, an...

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Q: The heaviest stable nucleus is an isotope of A. platinum. D. bismuth. B. gold. E. xenon. C. lead.

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Q: What is the mass of 4.63 x 1012 atoms of Fe? 9.76 x 10-10 g O 1.62 x 10 10g O 1.08 x 10-10 g O 2.73 ...

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Q: Consider the following equilibrium reaction with Kp = 25 at 298 K.   PCl5 (g)     PCl3 (g) + ...

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Q: For the following reaction, 5.92 grams of iron are mixed with excess chlorine gas. The reaction ylel...

A: We will calculate theoretical yield using stoichiometric calculations and then find percent yield.

Q: 4. a) Predict the major product of the following reaction: excess b) Provide the mechanism for the r...

A: The answer is as follows:  

Q: nd 16.5 g of sodium hydroxide?

A: The balanced chemical reaction,  NaOH + HCl ----> NaCl + H2O Molar mass of NaOH = 40 g/mol Molar ...

Q: SO M 2. Give the balanced molecular equation for the reaction of HCl solution with Ca(OH)2 solid.

A: Given question in HCl solution  and solid Ca(OH)2 molecules.  We draw a HCl and Ca(OH)2 balance equa...

Q: The Kb of C6H5NH3+ is 3.98x10-10 What is its Ka? What is the [H3O+] concentration in a solution tha...

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Q: If a 1.065 g sample of magnesium oxide of 84.736% were treated with 50 mL of 1.017 N sulfuric acid, ...

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

Q: Calculate the solubility at 25 °C of Co(OH), in pure water and in a 0.0180M CoCl, solution. You'll f...

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Q: Calculate the heat needed at 0oC to make each of the following changes of state. Indicate whether he...

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Q: Explain in detail how you would go about calculating the percent oxygen in magnesium nitrate.

A: To determine: Percent of oxygen in magnesium nitrate i.e. Mg(NO3)2. Assuming 1 mole of Mg(NO3)2.  

Q: What is the time required for the reaction to be 62% completed

A: Answer:- For a first order reaction the equation is:-    K= (2.303/t)log (a/a- X)   a= initial conce...

Q: A sample of the compound shown below contains 5.22 g of nitrogen. How many grams of oxygen does it c...

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Q: second order reaction with a single reactant has a rate of 0.34 M/s at an initial concentration of 0...

A: The rate law expression for second order reaction with single reactant A is given by - Rate = K [A]2...

Q: If I combined 15.0 grams of calcium hydroxide with 75.0 mL of 0.500M HCl, how many grams of calcium ...

A: Number of moles is calculated by dividing the given mass with molecular mass.u        

Q: Suppose a boil water notice is sent out advising all residents in the area to boil their water befor...

A: Given: Volume of water to be boiled = 17.0 L = 17000 mL                                         (Sin...

Q: CH, CH2 CHQ CH2 UH2 CH2 2 CH3 - C- oH 3. CAz CH2 CH, C-0

A: Given : We have to highlight the functional group present in the compound.

Q: Deconstruct the given Diels–Alder adduct. Draw the reactants (A and B), in any order, that would be ...

A: In diels alder reaction , there are two reactant which combines to give an adduct.  The two reactant...

Q: 1. Lithium reacts with oxygen to form lithium oxide according to the equation: 4Li + O2 = 2Li2O. If ...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: The equation for the dissolving of magnesium hydroxide is: Mg(O H)2(s) + heat 2 Mg2+ "(a q) + 2 O H ...

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Q: How many moles of sugar was added to 82.90 g of ethanol to change the freezing point of ethanol by 2...

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Q: If your sample gave you negative absorbance values during the kinetics run, what’s the most likely s...

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Q: What is the [H3O-] and [OH-] ion concentration respectively in a solution that contains 0.155 M HNO3...

A: We have to predict the hydrogen ion and hydroxide ion concentration.  

Q: Draw the major product of this reaction. Ignore inorganic byproducts. H. 1. NABH4 2. Neutralizing wo...

A: Addition of hydride as nucleophile to the carbonyl carbon of aldehyde group  Protonation as neutrali...

Q: Which molecule will be in excess when pressure is decreased in the equilibria  2NO2 ⇋ N2O4  ?

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Q: 18. What volume of a 0.200 M solution of nitric acid will be needed to completely dissolve and react...

A: Nitric acid react with Mg as follows- Mg+ 2HNO3 ➝ Mg(NO3)2 + H2

Q: Nitrogen dioxide is produced by reacting nitric oxide and oxygen: 2NO(g) + 02(s) $2NO2(g) ; AH° = -1...

A: Given, 2NO(g) + O2(g) ⇔ 2 NO2(g) The reaction is exothermic as the sign of the enthalpy is negative.

Q: Given that the ratio between U235 and Pb207 analyzed from the igneous intrusion (K) is 1:3 and half-...

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Q: Unlike most calculations in chemistry, colligative properties uses molality (m) NOT molarity (M). Ho...

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Q: NH2 A. CH3(CH2):CH3 В. С. D. 4000 1500 Wavenumbers em 1) 2000 Wavenumbers tom 1) 2500 2000 Waenumere...

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Q: In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3. Ksp...

A: Given: Concentration of Ba(NO3)2 taken = 0.500 M Concentration of NaIO3 taken = 0.0500 M Volume of B...

Q: Determine the mass in grams of Li+ (6.941 g/mol) in 25.0 g of Li2SO4 (109.94 g/mol).

A: Given: Mass of Li2SO4 = 25.0 g.  

Q: What is the molar solubility of Ag2CO3 in pure water, given that its Ksp= 8.10x10-12?

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Q: How many moles of S are in one mole of Al2(SO4)3? 2 mol S O 4 mol S O 3 mol S 1 mol S

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Q: Answer the following questions: 1. Hydrolysis reaction that produces propanol

A: As per the rules, only the first question can be answered. 

Q: 7. Calculate the heat needed at 0°C to make each of the following changes of state. Indicate whether...

A: Given: Initial temperature is 0.0 oC  

Q: After combustion with excess oxygen, a 12.501 g sample of an oil produced 38.196 g of carbon  dioxid...

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Q: 17. In the space provided below please draw (cis)1,3-dimethylcyclohexane in the most unstable chair ...

A: Concept:  1) most unstable conformation meaning that the molecule will have higher energy & this...