Weight of Coin 1 (g) Weight of Coin 2 (g) Weight of Coin 3 (g) Weight of Coin 4 (g) Weight of Coin 5 (g) Mean (g) 11.4286 11.4631 11.5460 11.5468 11.5691 SD %RSD

Q: Aqueous hydrochloric acid (HC1) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Given data, mass of NaCl produced= ? , molar mass= 58.45 g mol-1  mass of HCl=0.73 g, molar mass of ...

Q: What quantity of moles of H2SO, are required to completely react with 7.20 mol of Al according to th...

A:

Q: Write the structural formula of the followin, 1.) 3 – Fluorostyrene 2.) p- Ethyltoluene 3.) 3,5 – Di...

A:   

Q: Write the net ionic equation for the reaction when solutions of lead(II) nitrate and potassium bromi...

A: Write net ionic equation  between lead (II) nitrate and potassium bromide ? 

Q: 1. A 10 L balloon contains helium gas at a pressure of 655 torr. What is the new pressure when the v...

A:

Q: (a) Use the data given below and calculate AHº, ASO, AGO, and K, at 25° C for the reaction: 2 SO: (g...

A:

Q: 10 For water, which phase has the largest entropy? O Liquid, H2O(1) Gas, H2O(g) O Ice-one, H20(s, cr...

A: Entropy means disorders. Order of entropy:- gas> liquid>solid.

Q: a 64.0mL portion of a 1.60M solution is diluted to a total volume of 238mL. A 119mL portion of that ...

A: Consider the given information is as follows; 64.0mL portion of a 1.60M solution is diluted to a tot...

Q: Consider the exothermic reaction of nitrogen dioxide, a brown-colored pollutant gas forming dinitrog...

A: Given :-  2NO2(g)  ↔ N2O4(g)   [NO2]eqm = 0.05 M  [N2O4]eqm = 1x10-5 M  To calculate :  Value of Kc 

Q: 34. Classify the following oxides as acidic, basic, or amphoteric: (a) ZnO, (b) P,O10, (c) CaO. 35. ...

A: Metallic oxides are basic in nature while nonmetallic oxides are acidic in nature. Different chemica...

Q: In a lab, dissociation constant, K, of an acid-base indicator is measured. A 1.00 x 104 M solution o...

A: Concentration (C) of the indicator = 1.00 x 10-4 M path length (l) of cuvette = 1.00 cm Molar absorp...

Q: Pair of Half-cell Cell Notation Cu/Cu2 and Ni/Ni*2 Pb/Pb2 and Mg/Mg2 Cd/Cd2 and Ag/Ag*

A: Notation of cell potential . A positive cell potential indicates that reaction is spontaneous reacti...

Q: Explain why the 1H-1H two dimensional COSY experiment cannot connect hydrogens between adjacent amin...

A:

Q: Which of the following processes represent a decrease in entropy for the system described? Select al...

A: Entropy  - Is the  thermodynamic  quantity representing  the unavailability of system thermal  energ...

Q: The compound NH,NO3 can be decomposed to form N,0 and H,0. This can be represented at the atomic lev...

A:

Q: What is the mass of taurine if the number of moles is 0.4249 mol? What is the number of moles in iro...

A:

Q: Suppose a 500. mL flask is filled with 1.8 mol of NO,, 0.90 mol of CO and 0.40 mol of NO. The follow...

A: Equilibrium constant is the ratio of concentration of products to concentration of reactants raised ...

Q: When the entropy change of the surroundings is negative, the enthalpy change for system will be zero...

A: The entropy of a substance is the measure of disorder. As the disorder in the substance is increases...

Q: The equilibrium constant for the reaction Na2(g) → 2Na(g) is 2.47 at 1000. K. Calculate the value of...

A: given  chemical equilibrium  Na2 ⇋2Na we are required to find the value of Gibbs free energy if equi...

Q: What is the [HA-] (in mol L-1) of a solution containing 1.155 mol L-1 of a diprotic acid with pKA1 =...

A: Given, [H2A]=1.155 M  pKA1 = 3.31 and pKA2 = 8.4  [HA-] (in mol L-1) of a solution =? 

Q: For a process with AH 0 O AS > 0 ΟΔΕ>0 O Never.

A:

Q: CH3 H,CH2C, H HYCH, ČH3 Н. Draw the line-angle structure incorporating the stereocenters first: Now ...

A: The Newman projection represents the dihedral angles of different conformations of a molecule. In th...

Q: Specity which of the tollowing are oxidation-reduction reactions, and it it is, identity the oxidizi...

A:

Q: 5. What is the equilibrium constant expression for the reaction below? C(s) + CO2(g) + 2C12(g) 2 2CO...

A:

Q: control of SOx is for the minimization of acid rain, which is strongly related to the limestone (CaC...

A:

Q: The standard enthalpy of combustion, A H: , of graphite is -393.51 kJ mol1. Calculate the change in ...

A: Answer- Data given- standard enthalpy of combustion of graphite is -393.51 kaj mol-1. Kindly refer a...

Q: Fill out the rest of the reaction table in a synthesis of Aspirin for salicylic acid.

A: Given:

Q: View Policies Current Attempt in Progress The standard enthalpy of combustion, A H¿ ,of graphite is ...

A:

Q: The equilibrium constant K. for the equation 2H2(g) + CO(g) = = CH;OH(g) is 29 at a certain temperat...

A:

Q: b) c) CH3 CH HC CH,

A:

Q: Calculate the difference, in kilojoules, between AE and AH for the following exothermic reaction at ...

A:

Q: What volume of H2O, weighed in air against brass weights, would have to be placed in a flask at 27°C...

A: Volume of water at 20°C (T1) = V1 = 1L Volume of water at 27°C (T2) = V2 = ? T1 = 20+273 = 293K T2 =...

Q: intermolecular forces

A: In this question we have to explain with the knowledge of properties of matter in relation to interm...

Q: An unknown compound has the following chemical formula: P,Cl, where x stands for a whole number. Mea...

A: What is the value of x in PxCl3 =? 

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic l...

A: Given compounds: CH4 OCS HBr It has to be determined whether they are polar or nonpolar. If they are...

Q: answer 3

A: Initial Temperature of Balloon,T1 = 155℃ = 273+155 = 428 K Initial pressure of Balloon ,P1 = 1200 to...

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9...

A: note : as per bartleby guidelines i can provide you a solution of only first question in case of mul...

Q: A. How many mL of a 0.171 M aqueous solution of nickel(II) nitrate, Ni(NO3)2, must be taken to obtai...

A: A.  Given,  concentration of aqueous solution of nickel(II) nitrate, Ni(NO3)2 = 0.171 M  Mass of Ni(...

Q: 1. The reaction SF is first order in S2F10- The rate consta S2F10 SF6 Is 4.94 x 10-/s for the reacti...

A:

Q: In the complete combustion of methane:                     CH4 + O2 --> CO2 + 2H2O What is the act...

A:

Q: Write the anode reaction and cathode reaction for the Zn-Cu voltaic cell that was prepared in Part 2...

A: A question based on electrochemical cells that is to be accomplished.

Q: AH°F (kJ/mol) S (J/K-mol) Substance Охуgen 205.0 O218) 69.91 H2O) -285.83 Sulfur 31.88 Sulfur(s, rho...

A: (a) 2S (s, rhombic) + 3O2(g)-----> 2SO3(g) (b) S (s, rhombic) + O2(g)-----> SO2(g) (c) 2SO3 (g...

Q: Calculate the work, in joules, done by a gas as it expands at constant temperature from a volume of ...

A:

Q: Please identify the asymmetric carborn in the following molecules and mark them with an X. There may...

A:

Q: 3. How many watts will be radiated from a spherical black body 15 cm in diameter at a temperature of...

A:

Q: The molar heat of combustion, A H, of sucrose is -5643.4 kJ mol . If 0.250 moles of sucrose is combu...

A:

Q: An automobile engine provides 628 Joules of work to push the pistons. In this process the internal e...

A:

Q: (k) Antimony (V) iodide (1) Gold (III) sulfide (m) Platinum (IV) phosphide (n) Bismuth (II) perchlor...

A:

Q: This experiment is the Separation of a mixture of 3-nitroaniline, Benzoic acid, and naphthalene usin...

A: Answer :

Q: Question 24 In writing the equilibrium constant, the concentration of the product should be placed i...

A:     In equilibrium constant, the concentration of the product should be placed in the ______________...