2. What is the specific heat of Silicon if the temperature of a 41.1 g sample is increased by 34.1°C when 11.4 J of heat is added?

Q: How many lattice points does a face-centered cubic unit cell contain? 04 O 1 O 2 O 12 8

A: In face centered cubic unit cell eight atom present at corners of cube and six atom present at…

Q: What would be overall reaction for a fuel cell that uses CH4 as the fuel?

A:

Q: The diffusion constant for the amino acid glycine in water is 1.06 × 109 m²/s. In a 2.0-cm-long tube…

A: Given, Diffusion constant for amino acid and glycine in water , D =1.06 ×10-9m2s tube length , l =…

Q: how many resonace can this compound form？please draw other resonace and show the arrow

A:

Q: The pressure on 2.50 L of anesthetic gas changes from 787.5 mmHg to 303.8 mmHg. What will be the new…

A: Ideal gas equation PV = nRT   P = Pressure V = Volume n = Moles R = Gas constant T = Temperature

Q: Reactants Silver Nitrate + hydrochloric acid Type of reaction: observations: Balanced Equation: 2)…

A: In balanced chemical equation number of atoms of each species are equal on both reactant and…

Q: Part A For the reaction what is the cell potential at 25°C if the concentrations are [Co³+] = 0.858…

A:

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

A: Ionisation energy is the amount of energy required to remove the electron from an isolated gaseous…

Q: An experimental study of the kinetics of this reaction was undertaken in 0.2 mol L¹ hydrochloric…

A: Reversible reaction:- γ-hydroxybutyric acid (GHBA) ⇄K2K1 γ-butyrolactone (GBL)K1=K2 = 1st order…

Q: What is the electron pair geometry and bond angle for each atom bonded to more than one other atom?

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Q: Which of the following series of isoelectronic ions (Mg2+, N³, F, Si++) has the ionic radii in order…

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Q: Given the following reaction: 21 (aq) + S208² (aq) --> I2(aq) + 2SO4² (aq) Run 1 23 2 3 4 5 [I], M…

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Q: Use the following starting material and any other non organic materials to create the target…

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Q: Which has a greater ionization energy, K or Ca and why

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Q: The octet rule is generally followed for anions of elements located where on the periodic table? O…

A: we have to select the elements whose anions generally follow octet rule

Q: A mixture of helium and argon gas is expanded from a volume of 45.0 L to a volume of 52.0 L, while…

A: we have to calculate the work done on the gas mixture

Q: What mass of precipitate (in g) is formed when 55.8 mL of 0.500 M AIBr, reacts with excess AgNO, in…

A:

Q: What volume in milliliters of 0.100 M HCIO, is required to neutralize 40.0 mL of 0.235 M KOH?

A: In order to neutralize KOH, the millimoles of HClO3 must be equal to millimoles of KOH. we first…

Q: Which of the following mixtures will result in a chemical reaction?     A)  NH4NO3(aq) +…

A: Correct option -->    D)  Na3PO4(aq) + KOH(aq)

Q: The pressure in a car tire is 28.7 psi at 27 °c. At the end of a trip on a hot day, the pressure has…

A:

Q: A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady…

A: Cooling curve is a plot of temperature vs. heat and gives information about the phase change of a…

Q: Consider the combustion reaction below. 2 CH3OH(g) + 3 O2(g) → 2 CO2(g) + 4H₂O(l) If this reaction…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: In the given question we have to do the following conversion from mole/kg to mole/g .

Q: How many liters of a 3.55 MM KClKCl solution are needed to provide 45.8 gg of KClKCl?

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: What reagent(s) are suitable to carry out the conversion shown? OH O A. 1. 03; 2.1 equivalent of…

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Q: When you start with the original formula, P1 V1 = P2 V2, what do you get when you isolate P1?

A:

Q: Classify the basicity of trimethylamine, (CH3)3N, based on its reactivity in aqueous solution.…

A: Lewis base is any species that donates electrons.

Q: 20. Organic Synthesis. Using any inorganic reagents and any organic reagents with 2 carbons or less,…

A:

Q: Which of the following molecules is not chiral? A. B. 3-chlorohexane C. 3-chloropentane D.…

A:

Q: The [OH-] of a detergent solution is 7.8x10-5 M. What is the pH? Use significant figures. i Respond…

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Q: QUESTION 15 What is the major product of the following reaction? H3C. a. b. с. d. H3C H C H3C H C…

A: The given question is based on the chemical properties of alkynes.

Q: Which has a greater ionization energy, Be or Mg

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Q: Your research director informs you that the molecules of a sample of gas at 339 K339 K have a…

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Q: syntheti ute(s) would complete the reaction snown? Br ||| I and II I and III ? HO OH + enantiomer…

A: The given reaction can be explained as:

Q: The global consumption of synthetic dyes is increasing due to increase in demand in various…

A: Among the large number of organic compounds , only few are considered as dyes . There are many…

Q: ▼ Part A For the reaction 2Co³+ (aq) + 2Cl(aq)→2Co²+ (aq) + Cl₂ (g). E = 0.483 V what is the cell…

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Q: The molar solubility of barium sulfate in a 0.252 M sodium sulfate solution is------- M.

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Q: Consider the reaction I2(g) + Cl2(g)2ICl(g) Using standard thermodynamic data at 298K, calculate…

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Q: 7. Name the following compounds. auch! a. H3C- b. H3C- H₂H₂ OH C -CH3 H || Betae - CH3 ether c.…

A: To solve this problem we have to write the name of the given compound .

Q: A primitive cubic unit cell has: O 1 lattice point on every corner O 8 total lattice points a…

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Q: What is the effect on the emf of the cell shown in figure below, which has the overall reaction…

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Q: The equilibrium constant, K, for a redox reaction is related to the standard potential, E, by the…

A: In the given question we have to calculate the standard cell potential of the reaction,

Q: What are the electron configurations of the following atoms and ions: O, Cl, Ca, Ca2+, Cr, F-, K+,…

A: Electronic configuration  An element describes how electrons are distributed in its atomic orbitals.

Q: QUESTION 19 Which of the following states is not correct. The following species a. formed when…

A: Conjugate base: A species formed by the removal of one proton is called conjugate base

Q: CsBr neutral, basic, acidic, or cannot be determined?

A:

Q: give 3 importance of hydrocarbon reactions. a commericial, environmental, and biological importance…

A: Hydrocarbons mean only carbon and hydrogen containing compounds like alkane, alkene, and alkynes.

Q: Calculate the amperage required to deposit 41.7 grams of nickel (AW=58.69) from a solution of…

A: we have to calculate the current needed to deposit nickel from the solution

Q: The Lewis symbol for the silicon atom shows valence shell electrons. The number of covalent bonds…

A: The Lewis symbol for the silicon atom shows   4 valence shell electrons. The number of covalent…

Q: Examine the following half-reactions and select the weakest reducing agent among the substances.…

A: we have to select the weakest reducing agent

Q: For the reaction 2BrF3(g)Br2(g) + 3F2(g) H° = 542 kJ and S° = 269 J/K G° would be negative at…

A: To solve this problem we have to use the thermodynamic equation  ∆G° = ∆H° - T∆S°