Calculate the Ph of the ffg. a. 500 mL of pure water b. 10.0 mL of hydrochloric acid added to pure water ( in a.) c. 500 mL buffer solution which is 1.0 F with respect to nitrous acid and 2.0F with respect to sodium nitrite. (Ka of nitrous acid = 4x10^-4)

Q: A technician tritated a vinegar sample. Data Below: Concentration of NaOH = 0.500 M Final buret re...

A: Given :  Concentration of NaOH = 0.500 M Final buret reading = 32.46 mL Initial buret reading = 23.8...

Q: Calculate the density of [110] of W

A:

Q: Complete the following statements about the below solutions at 25 °C? 1. The pOH of 9.95 x 105 M KOH...

A: at 25°C ;  pH + pOH = 14.0  pOH = -log[OH-]

Q: An unknown hydrocarbon contains carbon, hydrogen, and oxygen. Combustion of 1.5000g of the hydrocarb...

A:

Q: me (Boyle's Law)

A:

Q: CALCULATE OF REACTION RATE FOR THE GIVEN CHEMICAL EQUATION. IF THE RATE OF APPEARANCE OF WATER IS 7....

A:

Q: formula Binary? Covalent or Polyatomic ion? Cation variable charge? What? Yes, Gold(II) Name ionic o...

A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost othe...

Q: In a mixture of hydrogen (H2) and argon (Ar) gas, 15% of the total gas pressure is exerted by hydrog...

A: Given that in a mixture of hydrogen and argon gas, 15% of total gas pressure is exerted by hydrogen ...

Q: Which of the following statements is/are TRUE when molecular orbitals are formed? I. There are more ...

A: Electrons in a bond are localized between the two specific atoms. Overlap of atomic orbitals generat...

Q: A sample of glass, which has a specific heat capacity of 0.670 J-g.°C', is put into a calorimeter (s...

A: Given, Cp for gas sample = 0.670 J g-1 ℃-1  T1=94.1 ℃  T2=28.2 ℃  mass of gas sample = m = ?

Q: Content A ALEKS - DOMINGO BAYONITO -> A https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8...

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: Argon makes up 0.93 percent of the Earth's atmosphere by volume. What is the partial pressure of arg...

A:    Given :     Total pressure(PTotal ) = 760 mm Hg     We have to calculate partial pressure of Argo...

Q: Which of the following statements is/are correct at 25 °C? 1. Benzoate (C,H,O2) requires a Ka to det...

A: To calculate the pH of weak acid and base we need their Ka and Kb values.  Kb of lactate ion can be ...

Q: 1.00 L of a 0.0250 M solution of C9H7O4, adds 15.0 mL of aqueous sodium hydroxide . The pH of the ne...

A:

Q: Corrosion of Fe to its oxides (e.g. Feo, Fe>0a) in moist air is an example of a spontaneous process ...

A: Spontaneous reaction  Reaction occur itself and doesn't require external energy. 

Q: What is the pH of a solution with a OH- concentration of  0.002554322564 molar?

A: given :- [OH-] = 0.002554322564 M  to calculate :- pH of solution 

Q: CH4(g) + 2O2(g) CO2(g) + 2 H2O(1) AH = -890.3 kJ. How much heat will be released if 4.0 g of methane...

A:

Q: H Не 1.008 4 Li Be 4.003 6 B CN oF Ne 10.81 12.011 14.007 15.999 18.998 20.180 13 10 5.94 9.012 11 1...

A: Identify the correct relationship of the following---

Q: A 51.6 g sample of iron is put into a calorimeter (see sketch at right) that contains 100.0 g of wat...

A: Given data, mass of iron =51.6 g, T1=86.5 ℃  T2=28.8 ℃  Cp for iron =?  

Q: A P (atm 1- 10 20 30 40 so 60 70 T(deg. Celsius) 1. In what phase is the substance at 50 °C and 1 at...

A:

Q: optimise, produce and market a commercial assay kit for the enzyme-linked determination of glucose i...

A: Answer - According to the question - The method, which is highly specific, is based upon the release...

Q: Part E: Polarity of Molecules After watching the video on Polarity of Molecules, determine if the en...

A: Polar means where separation of charges takes place between the atoms due to difference in electrone...

Q: H 1008 Не 4.003 10 Li Be 6.94 9.012 11 B cNo F Ne 10.81 12.011 14.007 15.999 18.998 20.180 13 12 Na ...

A: Isoelectronic species: Isoelectronic species can be defined as the atoms or ion having different ato...

Q: What is the pOH of a solution that has a H30* concentration equal to 4.12 x 105 M at 25°C?

A: Hydronium ion concentration is an important parameter of an aqueous solution. The concentration of t...

Q: 2. Show that volt per meter is the same as newton per coulomb.

A: Given:- Show that volt per meter is the same as newton per coulomb.

Q: presence of 02(0) Torn 201s) is-25.0 kJ per mol 02. In the compound ZO(e), Z has a +2 formal charge....

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: What Is The Activity Coefficient Of Benzoate Ion (C7H5O2-) With An Ionic Size Parameter Of a = 0.60 ...

A:

Q: Problem: CAH,NO IR: medium stretch at 2240 cm1 'H NMR 3 H 2 H 2 H 4 3 2 PPM 1 13C NMR 120 100 80 60 ...

A: Given data: Molecular formula = C4H7NO So,  Degree of unsaturation = C-(H/2)+(N/2)+1 = 4-(7/2)+(1/2)...

Q: me pH o

A:

Q: 1. Given the rate determining step in a reaction, write the rate law for that reaction.

A: The slowest step in a reaction mechanism is known as the rate-determining step. The rate-determining...

Q: Consider the generic complete reaction 2A + 3B —> 2C Given 7.2 grams of A, calculate the mass (in gr...

A:

Q: 3. A standard copper-zinc cell is constructed based on the following reaction. 2Cu(s) + Zn(NO3)2(aq)...

A:

Q: The protein lysozyme unfolds at a transition temperature of 75.5 °C with a standard enthalpy of tran...

A:

Q: A mixture of krypton and oxygen gas is expanded from a volume of 21.0 L to a volume of 55.0 L, while...

A: When a gas expands the work will be done by the gas on the surrounding. When the work is done by the...

Q: define first law of thermodynamics, hess's law and bond energy.

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed durin...

Q: carbon-deuterium bond (C-D) is stronger than a carbon tydrogen bond (C-H) and takes more energy to b...

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again 

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: This is an example of first law of thermodynamic  Here We are required to find the energy of the rea...

Q: In radical reactions, there are sometimes non-halogenated side products formed from other terminatio...

A: In the given radical reaction, we have to give the structure of non-halogenated side products formed...

Q: The etner ring in solamin is blosyntnesized from the diene as shown pelow. Suggest a mechanism for t...

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: How many moles of gas would you have if you had a volume of 38.0L under a pressure of 1432 mmHg at s...

A:

Q: Increasing the temperature will speed up the reaction because the number of collisions with energy e...

A: For a chemical reaction, the rate of reaction increases as we increase the temperature of the reacta...

Q: 3. Calculate the amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 °C to 182 °...

A: amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 °C to 182 °C is given below

Q: . Among the choices, choose which will have the lowest energy for a Pd2+ ion? a. 3P0 b. 3F4 c. 3F2 ...

A:

Q: 4. A scientist has devised a new method of isolating individual particles. He claims that this metho...

A:

Q: Using hydrolysis equations, show the balanced equation for the reaction between water and the cation...

A:

Q: When reacting Na with Cl2, we calculated that the theoretical yield should be 12.5 grams. Our actual...

A: Given that, Theoretical yield=12.5 g  actual yield=13.0 g  % yield=? 

Q: Which of the following physical processes is exothermic? a. evaporation of alcohol b. melting of i...

A: Concept  1) release of energy is known as exothermic process.  2) absorption of energy is called end...

Q: 5. The following mechanism is suggested for the reaction of Mo(CO)6. All the species are in gaseous ...

A: An intermediate is the derivative that is obtained from two or more initial reactants of a reaction ...

Q: An unknown pure solid was found to have a melting point (MP) of 1063 °C. Which of the following subs...

A: Given that, Melting point = 1063 ℃  then, Identify the unknown ?

Q: Determine if the following salts are acidic, basic, or neutral: 1. Hydrazinium bromide (H2NNH Br) is...

A: Concept:  Salf are also basic acidic and neutral in nature. The nature of any salt can be predicted ...

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.