What concentration of acetic acid must be made to give a solution with pH = 3.45? Ka of acetic acid is 1.8 x 10-5.

Q: grams per liter

A:

Q: Cesium has higher melting temperature than Sodium.   True or False?

A: Given : We have to tell whether the statement is true or not.

Q: DISSOLVED OXYGEN CONTENT OF WATER  Give three examples of how DO levels can change due to human int...

A: Wastes that people dispose of can pollute the air, the land, and water resources. They affect the qu...

Q: 10 ppm is. O 10 g per liter. O 10 mg per liter. 10 kg per liter.

A: ppm is a short form used for parts per million. It is one of the concentration units, just like mola...

Q: ammonium chromate molybdenum (VI) dichromate rhenium (IV) hydroxide disilicon octabromide iron (II) ...

A:

Q: CH3 CH3-C-CH-CH2-CH3 ÔH3 CH2-CH3 CH3 CH3-CH-CH-CH-CH3 CH3 CH2-CH3 CH3 CH3-CH-C-CH2-CH2-CH3 CH3 CH2-C...

A: We have given the structure of following alkanes compound.The IUPAC name of these compounds accordin...

Q: 3. If 50.00 mL of 1.00 M HC,H,O, (K, = 1.8 x 105) is titrated with 1.00 M NAOH. What is the pH of th...

A: In this question , we are given a weak acid ( acetic acid ) and it is titrated with a strong base ( ...

Q: formula

A:

Q: QUESTION 12 The highly toxic "antifreeze" has the formula C2H602. In your chemistry assignment you h...

A:

Q: The molar heat of solution of a substance is found to be +21.38 kJ/mol. The addition of 0.100 mol of...

A: Please find the below attachment.

Q: F.

A: Axial and equatorial are types of bonds found in the 'chair' conformation of cyclohexane. The chair ...

Q: Gaseous ethane (CH,CH, will react with gaseous oxygen (0, to produce gaseous carbon dioxide (CO,) an...

A: First of all we need to determine the limiting reagent. The reagent which is present in limited amou...

Q: nomenclature

A:

Q: a 77.7gram Sample of methane 2. Consider a 77.7 gram gas, CHy (g). under STP Conditions by Presented...

A: Given Mass of CH4  = 77 g Molar mass of CH4 = 16 g/mol

Q: gascous ammonia, NH3(A) at Water and reacts. A 3.831 Volume of STP is bubbled through lo8.omL Comple...

A: Molarity is defined as the number of moles of solute present in one liter of solution. It is the mos...

Q: 2. A certain second order reaction has a half-life of 58.0 s. Determine the time (in seconds) needed...

A:

Q: What is the theoretical yield, in grams, of aspirin ( C 9 H 8 O 4 ), which has a molar mass of 180.1...

A:

Q: MCPBA

A: Given, 

Q: Consider just one mole of H2SO4. Which of the 3 substrates below would you prefer to react? Justify,...

A: In this question preference of attack depends on the stability of carbocation intermediate. We need ...

Q: Identify the major IR absorptions and write the name of the unknown compound and its structure.

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic comp...

Q: `CH3 H `CH3 :Z-I

A: Given : We have to explain why A is more acidic than D.

Q: of IT electrons this

A:

Q: Consider a reaction A + B → C with corresponding rate law rate = k[A]n [B]m If n = 2, m = 1: (a) W...

A: Given : Rate law is given as : rate = k[A]n [B]m

Q: 5. Calculate the pH of a Buffer of Lactic Acid (HC2H502) 0.12M and Potassium Lactate (KC2H502) 0.11M...

A: The concentration of lactic acid, [HC3H5O3] = 0.12 M The concentration of potassium lactate, [KC3H5O...

Q: 2 N2O5(g) → 4 NO2(g) + O2(g) If the rate of disappearance of N2O5 is equal to 3.20 mol/min, what is...

A:

Q: 5.32 x 1023 molecules of sucrose (table sugar) is dissolved in water to create a 1.78L solution. Wha...

A:

Q: Show how any ONE the following would be made through use of a Grignard in as few steps as possible, ...

A: We can design the synthetic pathway for the desired product by properly placing the partial charges ...

Q: What is the equivalent weight of the vehicle?

A: below.

Q: A sample of a potential pharmaceutical is being tested for effectiveness at different dosages. 250. ...

A:

Q: Let's put all of the relationships we have learned about together with a pushing question. Consider ...

A: To find the molarity of a solution-1 from the mixture of solution-1 and 2, the following equation is...

Q: u know ou looking fo ance do you

A: As per rule, allowed to answer first question and pot the remaining in the next submission.

Q: Write expressions for K and Kp for the following reaction 5 C4H10(g) + 25 O2(g) (double arrow) 20 C...

A: Combustion reaction of butane are given

Q: y grams of

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

Q: The. osmotic pressure of a solution that contains 19.67 mg of an unknown protein dissolved in 12.2 m...

A: Number of mole is  calculated by dividing given mass with molecular mass.

Q: Label All the functional groups present in the structures below (to the right)

A: A functional group is a moiety in a molecule that shows the molecule's characteristic chemical react...

Q: istruction: Draw the structure (structural formula) of each compound given. 6-methyl-3-cyclopropylde...

A: structural formula is identified location of bonds in molecules

Q: How many valence electrons does hydrogen need to complete its shell? Which group is most similar to ...

A: To explain: How many valence electrons does hydrogen need to complete its shell.  

Q: A galvanic cell is powered by the following redox reaction: Cl,(g) + H,(g) + 2 OH (aq) → 2 Cl (aq) +...

A: Given : We have to write half reaction taking place at anode and cathode.

Q: Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D b...

A:

Q: For each compound below, identify if ionic, polar covalent or nonpolar covalent and write the Lewis ...

A: A covalent bond will be polar if there's a electronegativity difference arises between two bonded at...

Q: Ammonia (NH3) decomposes to form nitrogen gas and hydrogen gas with an enthalpy of 89.4kJ/mol. A clo...

A:

Q: Which compound has the highest lattice energy A. NaCl B. NaBr C. MgCl2 D. MgBr2

A:

Q: (R)-proline OH Et (cat.) DMF, 0-RT Et" "Et Et OH

A:

Q: The lattice energy of an ionic solid is lowest if a) the distance between the ions is low b) the cha...

A: The enthalpy change during the formation of one mole of ionic crystal from one mole of gaseous catio...

Q: Alkalinity understand that is. Measure of acidity. Measure of basicity. Measure of nationalize.

A: Acidity is the measurement of hydronium ion in solution. 

Q: at what temperature will a solution boil that contains 344g of nitrobenzene (123.11g/mol) to which 4...

A: Mass of solute of Toulene = 4.17 g  Mass of solvent , nitrobenzene = 344 g  Molar mass of Toulene = ...

Q: A 50 mL solution of NaOH was titrated with 39.7 mL of 0.9781 M HCI. What is the 1. concentration of ...

A: Concentration of NaOH solution can easily be calculated by using molarity equation M1V1= M2V2 Where ...

Q: Draw Lewis structures for the following free radicals. (a) The ethyl radical, CH3-CH2 (c) The isopro...

A: The drawing for lewis structure of given radicals are pictorially shown below

Q: Topic : Phase Draw the phase diagram of Pb-Tin System and elaborates its salient features

A: The graphical representation of the physical states of a substance under different conditions of tem...

Q: The bond of Ni2Mg is more metallic than CuAl2   True or False?

A: