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Q: Why is Rutherford's model (with electrons orbiting the nucleus like planets around the sun) not nece...

A: Rutherford, in his experiment, directed high energy streams of α-particles from a radioactive source...

Q: Balance these equations: C2H6 + O2 ---> CO2 + H2O H2S + SO2 ---> S + H2O CH3OH + O2 ---> CO...

A: The balanced chemical equations are given as,

Q: If, at a given temperature, the equilibrium constant for the reaction H2(g) + Cl2(g)  2HCl(g) is Kp,...

A: Equilibrium constant is defined as ratio of partial pressure of product to the partial pressure of R...

Q: Calculate the pH of a solution formed by mixing 65 mL of a solution that is 0.34 M in NaHCO3 with 75...

A: Henderson Hasselbalch equation gives the equation to estimate the pH of buffer solution. pH=pKa+log[...

Q: He started the experiment by measuring the mass and freezing point of the pure solvent with minimal ...

A: Several important properties of solutions depend on the number of solute particles in the solution a...

Q: The hydronium ion concentration of an aqueous solution of 0.428 M aniline (a weak base with the form...

A: PH is  defined as the power of Hydrogen.it measure acidity, basicity or neutrality of aqueous soluti...

Q: The molar enthalpy of vaporization of benzene at its normal boiling point (80.09°C) is 30.72 kJ/mol....

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Q: Suggest a reason why the heat required to vaporize 102 g of water is so much higher than the heat re...

A: Given information: Mass of water = 102 g Temperature change = 75 ℃  

Q: From molecular orbital theory argument, explain why you would expect the bond enthalpy of N2 to be h...

A: According to molecular orbital theory bond order of N2 is 3 and F2 have 1  N2 have 1 sigma and 2π bo...

Q: Consider the weak acid reaction: HA + H2O > H30° + A and the reaction of its conjugate base: A + H2...

A: Weak acid is defined as which gives very less quantity of H+ in the aqueous solution. if acid releas...

Q: In the following reactions; identify substrate, nucleophile and leaving group

A: A nucleophile is a chemical species that donates an electron pair to form a chemical bond in relatio...

Q: A sheet of gold weighing 10.0 g, with a specific heat of 0.120 J/(g °C) and an initial temperature o...

A: Given Mass, initial temperature and specific heat of gold sheet. Mass, initial temperature and speci...

Q: 1 Determine molarity of each of the Ions present in the following aqueous salt solutions: assume 100...

A: Given molarity of CuBr2 solution is 6.29 M. The CuBr2 solution dissociates into ions as shown below,...

Q: How many moles are there in each sample? 55.0 g Ti 16.9 mg Na 7.95 x 10^24 Ne atoms 25 Xe at...

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

Q: A student starts with 0.627 g0.627 g of pure 4‑aminobenzoic acid, (molar mass 137.14 g/mol137.14 g/m...

A: Limiting reagent is the reagent which is consumed in the chemical reaction completely. It decides th...

Q: Determine the number of atoms in each sample: a. 45 g Si b. 45 g Sn c. 28.2 mg Pb

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be at...

Q: Problem II - Identification Match the six molecules with their corresponding IR. NH2 он он A В D E F...

A: Given Two FTIR spectra. Six molecular structures to correlate the correct matched structure.

Q: Consider a sample containing 0.330 mol of a substance. How many atoms are in the sample if the subst...

A: Mole is the amount of the substance that contains the same number of particles or atoms or molecules...

Q: How many liters of O2 at STP are required to make 21.4 g of CO2 (44.01 g/mol) in the following combu...

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume, ...

Q: Consider the reaction: Part A Ba(s)+2HF(aq) - BaF2 (ag)+H2 (g) What atom is being oxidized? O Ba²" (...

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Q: The beakers represent an atomic scale picture of the aqueous reaction between AGNO3 and NaCl. Silver...

A: The reaction between silver nitrate (AgNO3) and sodium chloride (NaCl) is considered.

Q: how many moles of HNO3 are required to prepare 0.075 moles of Br2 according to the reaction:  KBrO3 ...

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Q: Can you please answer 9 and 10

A: Specific heat formula is The equation for the amount of energy in Joules (J), needed to change the t...

Q: List the reactivities of the following compounds according to the SN1 reaction. please explain why ...

A: Many reaction mechanisms are studied in organic chemistry. The nucleophilic substitution mechanism i...

Q: Which sets of molecules may interact by hydrogen-bonding? Select all that apply. Hint: you may need ...

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Q: A solution contains 0.14 M potassium sulfite and 0.14 M potassium carbonate. Solid silver acetate is...

A: Given information: Concentration of potassium sulfite = 0.14 M Concentration of potassium carbonate ...

Q: Boron trifluoride readily combines with ammonia: BF3 + NH3 ® F3B-NH3.  How does the hybridization of...

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Q: How many moles of H2 are required to produce -2501 kJ of heat in the following reaction? N2 (g) + 3 ...

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of r...

Q: If 8.96 g of CUNO, is dissolved in water to make a 0.100 M solution, what is the volume of the solut...

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Q: The bicarbonate ion, HCO3 can act as either an acid or a base. What is the formula for the conjugate...

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Q: Given a K value of 4.6 X 10-12, would you expect a nearly complete reaction at equilibrium Given th...

A: The value of K is 4.6 ×10-12. This is a very small value which means that the reaction has not proce...

Q: Can you please answer 9 and 10 please

A: Mass of water (m) = 450 g Specific heat capacity of water (s) = 4.18 J/goC Initial temperature of wa...

Q: How many moles of nitrogen, N, are in 72.0g of nitrous oxide, N2O?

A: Number of moles can be calculated by dividing the given mass by its molar mass. Molar mass of N2O = ...

Q: The following chemical reaction takes place in aqueous solution: Zn (NO3), (aq)+2KOH(aq) → Zn(OH),(s...

A: Balance Chemical equation means number of atoms or ions should be equal in both side (reactant and p...

Q: Describe the bonding in both the superoxide ion and the peroxide ion in terms of molecular orbital t...

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Q: According to the following reaction: N2 + 3H2 ===> 2NH3, how many grams of NH3 will be produced f...

A: Balanced chemical equation: N2 + 3H2 ----->  2NH3 From the above equation: Number of moles of NH3...

Q: What volume of 1.00M NaOH is required to neutralize 35.0 ml of 0.102M hydroiodic acid, HI?

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Q: Please write the balanced molecular equation, the total ionic equation, and net ionic equation for e...

A: 1) First writing the Balanced Molecular equation including states . 2) Then , split strong electroly...

Q: A chemical reaction produces 2.62 mol of N2 gas at 17°C and 1.05 atm pressure.  What is the volume (...

A: The volume of the gas is calculated by using the ideal gas equation. The ideal gas equation is given...

Q: Determine the volume of 0.245M KOH solution required to neutralize each sample of sulfuric acid. The...

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Q: Calculate the wavelength in meters of electromagnetic radiation that has a frequency of 900.0 kHz. (...

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Q: Can you please answer 1-7 please

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

Q: In the laboratory, a general chemistry student measured the pH of a 0.317 M aqueous solution of benz...

A: In an aqueous solution of benzoic acid, C6H5COOH (aq)⇔C6H5COO- (aq) + H+ (aq)

Q: What is the wavelength (in nm) of blue light that has a frequency of 6.53 × 10¹⁴ s⁻¹? (c = 3.00 × 10...

A: The energy of the photon is quantized. According to the Plank quantum theory the energy of the photo...