PCl5PCl5

Q: Draw the Lewis structure created by the curved arrow. Write in formal charges wherever they are not ...

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Q: Vhich of the following Newman projections does not represent 2-methylhexane? CH H. CH(CH;)2 H. CH,CH...

A: Given are conformations of 2-methylhexane.

Q: Cual es más estable? Oa. ninguna es estable Ob Oc P Type here to search b. c.

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Q: Determine the relationship between the following pairs of molecules. Are the molecules: the same com...

A: 1. Enantiomers- Given two structures are Non super imposable mirror images of each other.  2. Diaste...

Q: How many grams of NO are required to produce 145 g of N2 in the following reaction?   NH3(g) + NO(...

A: Given reaction is, NH3(g) + NO(g) → N2(g) + H2O(l) Mass of N2= 145 g  Standard values, Molar mass of...

Q: Which of the following is an elimination reaction?

A:   1. Substitution Reactions : One group (or) atom is replaced with another group/atom is called subs...

Q: You have 2 buffer solutions with different pH values (buffer A and buffer B) and an uncalibrated pH ...

A: We have must take some actions and precautions before, during, and after the pH measurement of the s...

Q: Using the heats of formation below, calculate the heat of reaction for the following reaction: C.H.(...

A: Given: ∆Hf°(C2H6,g) = -84.86 kJ/mol ∆Hf°(O2,g)= 0 kJ/mol ∆Hf°(CO2, g) = -393.5 kJ/mol ∆Hf°(H2O, l) =...

Q: How many moles of K2SO4 are in 15.0 g of K2SO4?

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Q: What mass of ZNCI2 can be prepared from the rebction of 4.52 grams of zinc with 4.52 grams of HCI? Z...

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Q: 4. C3H, at NTP

A: Given :-  C2H2 at NTP (normal temperature and pressure)  To calculate :-  Density of C2H2 

Q: Adding 5.47 g of to 140 g of water in a coffee-cup calorimeter (with stirring to dissolve the salt) ...

A: According to the question, we are adding 5.47 g of NH4NO3 to 140 g of water in a coffee-cup calorime...

Q: Imagine the Mars rover actually finds liquid water on the surface of Mars. The rover analyzes the wa...

A: We can solve this problem by using Henry's law: pg = KH * Cg  Where, Cg = concentration of a dissolv...

Q: Using MO filling diagrams, determine which of these diatomic species would have a bond orde > ½.

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Q: How many molecules of NH3 are produced when 6.50 g of H2 reacts completely in the following equation...

A: The solution is given below - 

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 → 4N...

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Q: Draw all the conformers of the molecule on the right as Newman projections sighted along the C3- C4 ...

A: When dihedral angle is 0° the Newman Projection is called Eclipsed.  When dihedral angle is 60° the ...

Q: 3) Nicotinic Acid: HNIC + H* + Nic hydrophobic Ka = 1.4x105 %3D water soluble At what pH is [HNIC]/[...

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Q: calculate the ph of a 0.465 M solUTION OF ethylamine CH3CH2NH2 and 0.211 M ethylammonium bromide CH3...

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Q: K2C2O4is reacted with KMnO4 according to the following chemical equation. K2C2O4 (aq) + 2 KMnO4 (aq)...

A: Given,  K2C2O4is reacted with KMnO4 according to the following chemical equation : K2C2O4 (aq) + 2 K...

Q: Draw the Lewis structure created by the curved arrow. Write in formal charges wherever they are not ...

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Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g)C4H10(g).......

A: • The required thermochemical equation is,  2C2H4(g)+ H2(g) → C4H10(g) ; ∆H° = ?    • The given the...

Q: balance equations and write net ionic equations of them. Thank you so much (a) Zn (s) + HCl(aq) ---...

A: Following are the net ionic equation of the given chemical reactions.

Q: 1) Which is the stronger acid: a) NH4 or H2O b) BrCH2- OH or FCH2-OH c) H2SO4 or H2SO3

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Q: Instruction: Complete the table by describing the expected visible result. Group A Compounds Structu...

A: As per the regulation only first three sub-parts can be answered. Qualitative analysis of organic co...

Q: What are the formula weights of (a) CO2 and CaCO3 ?

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

Q: Which of the following could be the instantaneous rate of reaction shown, at t = 1000 s? a.100 -Inst...

A: According to the question, we need to determine the instantaneous rate of reaction at t = 1000 s.  W...

Q: Balance equations and iconic equation please  NaHCO3 (aq) + HBr (aq) ----> NaBr (aq) + H2O (l) + CO...

A: Here we use the concept of ionic equation.In aqueous solution the molecules are splits into ions.

Q: What is the wavelength in Angstroms of an electron moving with a speed of 5.469 x 106 m/s in a unive...

A: Given  Mass of electron ( m ) = 7.88 × 10-31 Kg speed ( v ) = 5.469 × 106 meter/sec Wavelength in An...

Q: Predict the product or products of each of the following reactions: (а) CH,CH-OH + HCООН (b) H-C=C-C...

A: The above reactions are organic reaction in which the product formed are based on the reagent used.

Q: You add 100.0 g of water at 61.0 °C to 100.0 g of ice at 0.00 °C. Some of the ice melts and cools th...

A: When water cools down , energy is released in the process .the released energy  is used in the melti...

Q: Calculate the total enthalpy in kJ of a 1.322 g sample of steam at 100oC going through various phase...

A: during phase transition the enthalpy  is evolved in each step and the cumulative heat released is th...

Q: H=m x c x delta T    Initial T of cold water = 25 degrees C  Final T of cold water = 30 degrees C...

A: H = mC(T2 - T1)  where, C = Specific heat capacity  Specific heat capacity is the amount of heat req...

Q: Calculate the equilibrium constant, Kp, for the reaction: NiO(a) + CO(g) = Nie + CO2(a) for which AH...

A: To calculate Kp , we would first calculate ∆G° for this reaction by using thermodynamics relation : ...

Q: Which of the following compound(s) is/are chiral

A: Chiral compound  The compound which contains carbon atom to which 4 different atoms or groups are at...

Q: What is the major organic product obtained from the following sequence of reactions: OH H2SO4 (catal...

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Q: H2, Pd

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Q: State the Characteristics of Covalent Bonds

A: Covalent bonds are type of bonds formed between elements by sharing their electrons together.

Q: Consider a gas at 1.00 atm in a 5.00-L container at 20.°C. What pressure does the gas exert when tra...

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Q: Which product (1 or 2) in each reaction is more likely to be formed as a product? A FeBry Bry + HNO,...

A: Given reactions; A) Example of Aromatic electrophilic substitution reaction.  B) Example of Aromatic...

Q: Explain the role of lattice energy in ionic compounds

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Q: A sample of a substance (containing only C, H, and N) is burned in oxygen. 1.090x10' g of cO2, 7.435...

A: Given that : The mass of CO2= 1.090×101gThe mass of H2O= 7.435×10-1gThe mass of NO= 2.476 g The mola...

Q: Part C What percentage of the work done by the van der Waals gas arises from the attractive potentia...

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Q: Give the theoretical yield, in moles, of CO2 from the reaction of 9.19 moles of C8H18 with 9.19 mole...

A: Total amount of products obtained from reaction on the basis of stiochiometeric ratio is known as th...

Q: (1.5 x 10⁸) ÷ (2.4 x 10²)   (8.1 x 10⁻⁴) - (9.5 x 10⁻⁵)

A: (1.5 x 10⁸) ÷ (2.4 x 10²) this scientific equation can be solved as follows: =(1.5÷2.4)(108-2) =0.62...

Q: Draw all constitutional isomers obtained when each of the following compounds undergoes monochlorina...

A: Alkanes undergo monochlorination reaction with chlorine in presence of light.   

Q: What gas will form when a solution of HCI is added to a solid of ZnS?

A: Given scenario is, solution of HCI is added to a solid of ZnS

Q: d. solid magnesium and diatomic nitrogen gas react to form solid magnesium nitride e. sulfuric acid ...

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Q: to Br B A

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Q: half-life

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Analytical Tools

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