1. Water is a polar molecule and has a very unique structure. A. What is a polar molecule? B. Draw one molecule of water and label the hydrogen & oxygen atoms. Label the positive (+) and the negative (-) region of the molecule.

Q: When mixed with water, does KOH (s) behave as a: a) weak acid b) strong acid c) weak base d) strong…

A: Acid can be defined as the species that  give hydrogen ions in an aqueous solution. Base can be…

Q: Consider the element Ti (p=22, n=26) with a nuclear mass of 7.94869 x 10-23 g. (Given: mass of…

A:

Q: Explain the concept of hybridization as if you were explaining it for the first time to a person…

A:

Q: The chromatographic purification of 1 g of (-)-ethyl lactate with an ee of 85% yields the optically…

A:

Q: * Choose the pharmaceutical drug Aspirin and answer the following questions about the drug: * * What…

A:

Q: Chemistry  ‏calculate the molecular weight of egg albumin if the osmosis pressure is 0.017 atm. and…

A: 5 g of egg albumin is present in 150 g of water at 25 °C to form a 1.5 cm3 solution. The osmotic…

Q: If a particular 150 amino acid polypeptide is known to sample 4 preferred states as it folds into…

A:

Q: An experiment was done to observe which factors promote the corrosion of iron. Which of the…

A: Zn bein more reactive than iron would act as sacrifacial protection layer and would slow down tha…

Q: Determine the name of each of the hydrates from their formulas. FeCl₂ + 4H₂O: Ba(OH)₂ H₂O:…

A:

Q: CD+E 6th attempt Part 1 The initial composition of the reaction mixture is [C] = [D] = [E] =…

A: Given reaction :-  C < ------> D + E

Q: Draw the Lewis Dot Structures of the following ionic compound. I 1. KBr 3. A1,0, 2. CaF₂ 4. Na,O the

A: Given-> ->KBr , CaF2 , Al2O3 , Na2O ->Ionic compounds are in form of ions .

Q: How many grams of N2 are produced when 125 g of NH3 reacts as shown in the following balanced…

A: Given, mass of NH3 = 125 g we know, molar mass of NH3 = 17.031 g/mol => moles of NH3 = mass of…

Q: (ii) Explain the reasoning for using compromise temperature and pressure in industrial processes

A:

Q: 5. The AH⁰ for the reaction (Na2O(s) + SO3(g) → Na2SO4(g)) equal to: Na(s) + H₂O() → NaOH(s) + 1/2…

A:

Q: A low-strength aspirin tablet (sometimes called a baby aspirin) contains 81 mg81 mg of the active…

A: Each aspirin tablet contain= 81 mg active ingredient 100 tablet bottle contain = 100x 81 mg…

Q: Determine the mass in grams of 5.77 × 10²¹ atoms of carbon.

A:

Q: Chem. 065 Ionic and covalent bonds 1. Complete the following worksheet: Compound Ionic bond or…

A: The answer is given in the next step

Q: Explain the difference between a strong acid and a weak acid. which one is correct and why? A…

A:

Q: ring vinegar analysis, a 2.0 ml vinegar sample (% CH,COOH-6.5%) was titrated with 0.2 M aOH, what is…

A: Given that -  Volume of vinegar sample = 2.0 mL  Percentage of vinegar = 6.5%  Molarity of NaOH =…

Q: HOW

A: EON is an extremely long period of time.

Q: A 0.858-g sample of copper was reacted with oxygen to form 1.074 g of copper oxide. Determine the…

A: Given, mass of copper sample = 0.858 g Mass of copper oxide formed = 1.074 g Empirical formula of…

Q: TITRATION PROBLEM-SOLVING: 74.5 ml of 2.61 M sodium hydroxide is added to 99.2 ml of acetic acid,…

A: Given Volume of NaOH = 74.5 mL Concentration of NaOH = 2.61 M Volume of acetic acid = 99.2 mL Volume…

Q: What is the %v/v of a solution made from 176.1 g of ethylene glycol (density is 1.11 g/mL) in water…

A:

Q: Which of the following serves as the anode in the Ni-Cd cell?     Cd     Zn     Pb     Ni

A: Oxidation can be defined as a process in which loss of electrons occur and reduction can be defined…

Q: Q2-What is the number of grams of Cas(PO4)2 and grams of KCI can be produced by mixing 5g of CaCl;…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Chemistry starting from 5-bromoisatin, 3-methylbenzylbromide, 4-methylbenzylbromide, how to yield…

A: Similarly you can use 3-methylbenzylbromide also for above reaction

Q: The dif- 3. (a) Compare interstitial and vacancy atomic mechanisms for diffusion. fusion…

A:

Q: 3-methylhex-3-ene reacts with hydrochloric acid: + H-CI 1. Is this an addition or a substitution…

A: In addition reaction something is added to the the substrate.

Q: 2.5 [1]What type(s) of intermolecular forces exist between the following pairs. [2] Draw the…

A: A question based on intermolecular forces that is to be accomplished.

Q: A sample of platinum (21.4 g/cm³) has a volume of 15.0 cm³. If the current price of platinum in U.S.…

A:

Q: is the stereocenter S

A:

Q: Trial 1 Trial 2 M of NaOH(aq): Average M of NaOH(aq) from part I M of NaOH(aq): Average M of…

A:

Q: Balance the following chemical equation (if necessary):    C5H10(g)O2(g) -> H2O(g)+CO2(g)

A: Balance the following chemical equation (if necessary):

Q: In 100L of water, there are 30kg of solute. If the distribution coefficient is 4, what is the weight…

A:

Q: 3. The oxidation number of Cr in (KCr₂O7-1) is: A. 4 B. 3 C. 6 D. 5

A: Oxidation state is defined as charge on element. Oxidation can be calculated on any element present…

Q: Benzoic acid, ,ionises in water to produce benzoate, ,and hydronium, H3O+ ions. The acid ionisation…

A:

Q: Calculate the boiling point of a solution of 86.3g ethylene glycol (C2H6O2) in 143.2g of water.…

A:

Q: 9. 1.0 mol of gas occupies 22.4 L at STP. What is the volume at 30.0 °C and 670 mm Hg? A. 0.037L B.…

A: Given,  Number of moles of gas = n = 1.0 mole  Volume of gas at STP = V1 = 22.4 L Final temperature…

Q: When [Mn2+] = 0.25 M, [H2] = 0.0015 M pH = 4.00, calculate E for the redox reaction below at 25°C:…

A: Given-> [Mn2+] = 0.25 M [H2] = 0.0015 M pH = 4.00  E°cell = 1.18 V

Q: Name the three particles of the atom and their respective charges

A: Detail description is given below

Q: What time of intermolecular interactions occur when the tertiary amine of Tapentadol binds to its…

A: The tapentadol's tertiary amine group is protonated, making the nitrogen core positive in charge and…

Q: 4.1 11 (a) Define a buffer solution (b) What are the components of (i) an acidic buffer? (ii) a…

A: This question belong to Ionic equilibrium topic is Buffer solutions

Q: The pH of a cyanoacetic acid/sodium cyanoacetate buffer in which the concentration of the weak acid…

A: It is given that, Molarity of weak acid, cyanoacetic acid = 0.140 M Molarity of its conjugate base,…

Q: 9. Briefly explain the KJELDAHL method principle.

A: In this question, given the theory of the Kjeldahl method, estimatation of nitrogen ,

Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: 5. One mole of a monatomic ideal gas is compressed adiabatically in a single stage with a constant…

A: Here we are required to find the work done, heat and internal energy and enthalpy.

Q: their proper order. Clearly indicate the structures of the compounds at each step in the process and…

A: Here we have to separate a mixture following organic compounds i.e alkane, carboxylic acid and…

Q: 2.5 [1]What type(s) of intermolecular forces exist between the following pairs. [2] Draw the…

A: To answer the above question we should have idea about the different type of intermolecular forces.…

Q: A galvanic cell is set-up in the laboratory with a copper anode and an unidentified cathode. Your…

A:

Q: Use your notes and the Tables P, Q, and R in your Reference Guide to name each of the following…

A: Write name of the given structure--