MULTIPLE CHOICE. Read and understand the questions below. Choose the letter of your answer 1. Which of the following graphs explains the relationship of vapor and temperature? А. С. В. D. None of these 2. Which property of matter shows a liquid's resistance to flow? С. Ductility Viscosity Boiling point Being brittle А. В. D. 3. Why is that water has a higher surface tension that alcohol? A. Water has stronger intermolecular forces of attraction than alcohol. B. Water has lower intermolecular forces of attraction than alcohol. C. Water is in liquid phase while alcohol is in gas phase. D. All of the above. 4. Which of the following situations tells us that heat of vaporization is observed? A. An insect floats on the surface of the water. B. An athlete feels cool after sweating profusely. C. Water turned to ice after being placed in the freezer. D. A child hears a popping sound when a bottle of soft drink is open. 5. Which temperature has the lowest intermolecular forces of attraction? А. 0°С В. 25°С C. 50°C D. 100°C B.

Q: NO2 -C-C-C-C- NH2 -C- -C -

A: Complete solution is given below in next step 

Q: COOH COON. NaOH - H20 COOK COOK KHP 4 5602 g potassium hydrogen phthalate (FW 204,22) was dissolved ...

A: Potassium hydrogen phthalate reacts with sodium hydroxide to form sodium-potassium phthalate. The eq...

Q: Suppose the reduction of nitric oxide proceeds by the following mechanism: step elementary reaction ...

A: The overall rate of the reaction depends on the rate of the slower step.  If The rate law of slower ...

Q: an example reaction, A+C    X+Y,  the K(eq) value is 1 x 10[-5], where -5 is an exponent of 10. This...

A: Given:  Keq = 1 x 10-5   

Q: Correlate solidification with crystallization(Explanation needed).

A: Solidification is the process of changing the state of a system from either gaseous or liquid state ...

Q: Mass of beaker: 110.000g Mass of silver nitrate in beaker: 40.00ml After 40ml: 154.127g After 80ml: ...

A: Mass of empty beaker = 110g Mass After 40ml = 154.127g After 80ml = 198.254g After 120ml = 242.381g ...

Q: 0.8102 g sample of impure Al2(CO3)3 (MM= 234 g/mol) decomposed with HCl; the liberated CO2 was colle...

A: Mass of impure sample = 0.8102 g  Mass of CaCO3 = 0.0515 g  Molar mass of CaCO3 = 100 g/mol

Q: 51 For the following reaction, K = 0.538 at 313 K. N;O(g) = 2 NO2(g) If a reaction vessel initially ...

A: Given data :  1. K = 0.538  2. Initial concentration of N2O4 = 0.0500 M   

Q: Place the following substances in an INCREASING order based on the expected PH concentration). So "1...

A: Expected pH in increasing order 1) HCl (Lowest pH) 2) H2Se 3) H2S 4) SO32- 5) CsOH (Highest pH) HCl ...

Q: Ammonia (NH,) gas and oxygen (0,) gas react to form nitrogen (N,) gas and water (H,O) vapor. Suppose...

A:

Q: What is the molarity (M) of 60.0 g NAOH in 0.250 Lof solution? Find the molarity of a

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: A sample of vinegar has a hydronium ion concentration of 5.7 x 10¬ 3 M. What is the pH of this vineg...

A:

Q: Draw the skeletal (line-bond) structure for (2R), (3Z)-2-chloro-4- phenylhex-3-enoic acid. Use a das...

A: The structure of an organic compound is written in the following steps: Determine the number of car...

Q: A neutral atom of chlorine-37 has protons, neutrons, and electrons. Silicon and lead are an example ...

A: Fill in the blanks and choose the correct option of the given above questions --

Q: In the reaction: HSO4 + CN HCN + SO42- Which one of the sets below constitutes a conjugate (acid-bas...

A:

Q: 7 The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.7lx10°Lmol!...

A: Given:  Rate constant (K) = 4.71 x 10-8 L mol-1 s-1  Concentration of acetaldehyde = 5.55 x 10-4 M 

Q: O It creates hydrogen bonds with the fabric O It kills stains O It allows dyes to indirectly bond wi...

A: Mordants are chemical substances that are used to form co-ordination complex with dye which then con...

Q: Consider a saturated solution of barium iodate in 0.025 M BaCl2. For the salt:     Ba(IO3)2(s)  ⇌ Ba...

A:

Q: Which of the following is the conjugate acid of H2PO4 ? OA HPO42- O B. HPO4 ОС НЗРО4 ODPO43-

A: Conjugate acid is the chemical species which formed when a base accept a proton.

Q: Al,(SO.); Al: S: O: NaOH Na: 0: H: (NH,),S N: H: S: DO IT LIKE THE GIVEN EXAMPLE EXAMPLE 1) CuBr2 Mo...

A:

Q: The pH of a 0.38M solution of alloxanic acid (HC,H,N,0,) is measured to be 3.53. Calculate the acid ...

A:

Q: Complete the stiochiometry table using the starting values provided. Moloouulor Doneit,

A: 1. Vanillin Moles = Mass / Molar mass = 4.383 g / 152.15 g/mol = 0.0288 mol = 28.8 mmol 2. Sodium bo...

Q: Be sure to answer all parts. Given the thermochemical equation for photosynthesis, 6CO2G) + 6H,0(1) ...

A:

Q: The factor involved in determining the % ZnO in a sample where Zn was precipitated as Zn3(PO4)2 is ...

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements presen...

Q: Table 1 Vinegar Sample 1 Vinegar Sample 2 Vinegar Sample 3 Calculations for Sample 1 Mass of 5.00 g ...

A: Answer is as follows

Q: Al203 (s) =2AI3* (aq) + 302- (aq) If, at equilibrium, a beaker contains 1.00 L of solution with 13.8...

A:

Q: WORK ON THIS! 1.00 L of An aqueous solution of NaCl i the solution? Assume the den

A:

Q: 4. In neutral compound, what is the sum of all oxidation numbers of all atoms making up the compound...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: concentrations of H,i Co& CH20H at equilibrum of more catalust is added? A Depends on the catalyst B...

A: Please find the below attachment.

Q: 4. Calculate the reaction quotient of this reaction: 2S03(g) O2(g) 2SO2(g) Given: Kc = 0.230 (SO3] =...

A: Given Reaction:-  2SO3(g) <-----> 2SO2(g) + O2(g)

Q: Which Represents the acid ionization constant of H3PO4

A:

Q: A sample of copper oxide weighing 2.013 g is dissolved in acid, the pH adjusted, and excess KI added...

A:

Q: 2. What is the frequency of an X-ray radiation of wavelength 9.41 x 10 1° m?

A:

Q: Place these in order of most likely to proceed to completion (products), where 1 is least likely and...

A: For proceed the reaction in for direction. The equilibrium constant should be high. Higher the value...

Q: For the reaction, 3 X=Y, If 1.5 moles of Y and 10.5 moles of X are introduced into a 3.00 L flask at...

A: Kc is known as equilibrium constant and it is equal to the ratio of equilibrium concentration of pro...

Q: 4. Sodium hypochlorite (NaCIO) is often found in household bleach. What is the pH of a 0.740 M solut...

A: We have to predict the pH of solution .  

Q: An analytical chemist is titrating 68.7 ml of a 0.4600M solution of hydrazoic acid (HN,) with a 0.41...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: Determine whether the circled hydrogens are enantiotopic, diastereotopic, heterotopic, or homotopic.

A: To check the type of Hydrogens , we would substitute each hydrogen one by one with other element ( s...

Q: TThe rate constant for the first-order decomposition. at 45°C of dinitrogen pentoxide, N,0, dissolve...

A:

Q: Hydrogen and iodine react to form hydrogen iodide, like this: H,(9) + I,(9) 2 HI(g) Also, a chemist ...

A: H2(g) + I2(g)  <-------> 2HI(g) 

Q: A student titrates a 25.00 mL aliquot.of HCI (concentration unknown) with 33.10 mL of 0.1500 M NAOH....

A: 5) Given: Volume of HCl = 25.00 mL. Concentration of NaOH = 0.1500 M And volume of NaOH required = 3...

Q: Design a buffer that has a pH of 9.57 using one of the weak acid/conjugate base systems shown below....

A:

Q: what is the reaction that tartaric acid has with water?

A: Tartaric acid is a diprotic acid it's chemical formula is C4H6O6 having two carboxylic group and two...

Q: What is the pH of a 9.34 X CIO4 solutiön? (the answer should be entered with 3 significant figures; ...

A:

Q: Mg(NO,), Mg: N: O: 2) (NH,),PO, N: H: O: P: 3) Al,(SO.); Al: S: O:

A:

Q: Chromium (III) oxide reacts with hydrogen sulfide gas to form chromium (III) sulfide and water. To p...

A:

Q: Bromothymol blue is yellow in acid solutions.  HBB is acidic form of the indicator . The indicator i...

A: If we go on adding Sodium Hydroxide solution the Hydroxide Ion concentration will increase. this is ...

Q: In the hot gases of an automotive engine's cylinders, temperatures may exceed 1142 K (degrees kelvin...

A: the "root mean square" or "rms" velocity of the hydrogen atom is given below

Q: Order each of the following sets of five atoms and ions according to increasing size. ("1" smallest...

A: The order of the size of the elements according to increasing size is given below

Q: 18-25 What is the major product of each of the following reactions? OR PCC, CH2Cl2 (b) OH

A: