mass

Q: A: Н20 1) Lewis Structure: 2) Electron pair geometry: Molecular geometry:. 3) Dipole moment? 4) Hydr...

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Q: Consider the reaction A(g) + B(g) D(g) + Heat Which of the following sets of reaction conditions wou...

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Q: Which of the following requires two resonance structures? А. СО2 B. CINO2 C. Co,? D. H2S D O A

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Q: The viscosity of carbon dioxide was measured by comparing its rate of flow through a long narrow tub...

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Q: A certain first-order reaction has a rate constant of 2.35×10−2s−1 at 16 ∘C. What is the value of k ...

A: Answer: This question is based on Arrhenius equation, which gives a relation between rate constant a...

Q: 1. Calculate [H*] and [OH] for solutions with the following pH values: a) 4.0 b) 8.52 c) 12.60

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Q: W‎hen le‎ft in an open bea‎ker for a per‎iod of time, the volum‎e of 2‎75 mL of 0.105 M NaCl is foun...

A: The concentration after dilution of a solution can be found out using the formula,     M1  ×  V1   =...

Q: What is the equilibrium constant expression for the following reaction? C3H8(g) + 502(g) 3CO2(g) + 4...

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Q: Calculate the heat energy released when 26.9 g of liquid mercury at 25.00 °C is converted to solid m...

A: Given: Mass of Hg = 26.9 g. Initial temperature of Hg = 25.00 oC = 298.15 K                         ...

Q: 2.30 mL ofa 0.4375 M HCl solution are added to 35 mL of 0.250 NAOH solution. What is the final pH?

A: An acid HCl and base NaOH undergo neutralization reaction to form salt NaCl and water. For the given...

Q: 6) What is going to happen to a balloon filled with helium that is left in a car over night when the...

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Q: 296. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The osmot...

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Q: For the gas phase reaction below, AH° = -1.6 x 102 kJ for the forward %3D reaction. SO2 + 702= SO3 I...

A: For the given equilibrium reaction enthalpy is negative...means exothermic reaction... This question...

Q: The functional groups in an organic compound can frequently be deduced from its infrared absorption ...

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Q: Which of the following bond-line structures are of the same compound? II II IV Draw the Lewis struct...

A: We know in carbon there are four outermost electron so in order to acquire stable configuration it r...

Q: What is the molecular polarity of H2 and why? * It is polar, because its charges are distributed asy...

A: 1. Molecular polarity of H2 is that it is non Polar  Polarity exists when there is a bond between tw...

Q: Pitt A 0120 x Goog x b Answe x in (27) A X Bio Micro Chem II A Asses X Pt Perioc X ali 1030 x E chem...

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Q: A cup of rather dilute hot tea initially at 140 degrees F is served to a customer at Howard Johnson'...

A: Mass of tea = 200g = m Initial temp = Ti = 140°F = 60°C Final temp = Tf = 100°F = 37.7°C Specific he...

Q: At a given temperature, a solid sample of PH3BCl3(s) is placed in a closed vessel and allow to reach...

A: PH3BCl3(s)  ⇌  PH3(g)  +  BCl3(g)

Q: A piece of moon rock is placed in a graduated cylinder with an initial reading of 21.56 mL. The wate...

A: When a substance is placed in water the water level will rises. The increase in the volume water lev...

Q: Bromine (Br) and Silver has atomic masses of 79.90 g and 107.9 g. respectively. In a certain experim...

A: Atomic Mass of Br = 79.90 g/mol Atomic Mass of Ag = 107.9 g/mol Mass of ionic compound containing th...

Q: The viscosity of carbon dioxide was measured by comparing its rate of flow through a long narrow tub...

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Q: At a particular temperature, Kc = 4.0 for the reaction below:    N2(g)  +  O2(g)  ⇌  2NO(g) Suppos...

A: Nitrogen reacts with oxygen to form nitrogen oxide. The equation for the balanced chemical reaction ...

Q: Thorium-234 decays into half every after 25 days. How much is left of a 438g at the end of 6 fortnig...

A: Decay of thorium follows first order kinetics. In first-order kinetics, rate of reaction depends on ...

Q: Functional Groups List the functional groups, what is the chemical formula for each and what are the...

A: There are many functional group in chemistry but the major functional groups are mentioned below.

Q: what are the methods/operations to know in Gravimetric Analysis?

A: A question based on general chemistry that is to be accomplished.  

Q: Please write a clear observation

A: A question based on atoms that is to be accomplished.

Q: How many moles of H, are required to produce -4551 kJ of heat in the following reaction? N, (g) + 3 ...

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Q: CH, CH2 OH TMS 4.0 3.0 2.0 1.0 0.0 ppm

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Q: Ammonium carbamate decomposes into NH3 and CO2 when heated. NH4(NH2CO2)(s) = 2NH3(g) + CO2(g) If 25....

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Q: Caproic acid, which is responsible for the foul odor of dirty socks, is composed of C, H, and O atom...

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only....

Q: O (2R, 35)-3- chloro butum -2-amive Na o4 ->

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Q: In which direction will the reaction shift if the following stress is applied? CO(g) + 3 H2(g) CH4(g...

A: Reaction shifts that side which has less number of moles. 

Q: What is the boiling point when 11.89 g of K3PO4 (formula mass = 212.30 g/mol) is dissolved in 165.83...

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Q: A HO NH2 Which box contains a sulfide group? A. A Which box contains an amino group? В. В Which box ...

A: Functional groups can be defined as group of atoms that describes the function of the hydrocarbon to...

Q: In what ways can we help improve the quality of water in our community, considering the knowledge, s...

A: Improve Quality  of water  is necessary  for better Health of a person as Water is the important  co...

Q: Formal charge and electronegativity aids in providing insight on which portion of a molecule has a d...

A: Electronegativity  can be defined as the tendency of an atom to attract shared pair of electrons tow...

Q: Provide the reagents necessary to carry out the following conversion

A: In the given reaction the alkyl halide is converted into alcohol. The reaction completes in two step...

Q: At 1 atm, how much energy is required to heat 95.0 g H2O(s)] at −14.0 ∘C to H2O(g) at 115.0 ∘C? Use ...

A: Mass of water = 95.0g Specific heat of ice = 2.087J/g°C ∆Hfusion = 333.6J/g Specific heat capacity f...

Q: What is the molar and normal concentration of a solution when 25.3 g of calcium chloride was dissolv...

A: Molar concentration of a solution can be defined as number of moles of solute dissolved per litre of...

Q: 1. What thermodynamics parameter was used for estimating the energy consumption? 2. What kind of rea...

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

Q: H soln

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Q: Which of the following is an alkaline earth metal? A.K  B.Cu  C.Mg  D.Na  E.Al

A: The elements that comes in group 2 of the periodic table are called alkaline earth metals.  They are...

Q: It required 38.72 mL of 0.068M NaOH to reach the equivalence point in the titration of 25 mL of acet...

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Q: Question 10 of 10 Balance the following chemical equation (if necessary): NH.NO:(s) → N:(g) + H:O(1)...

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Q: The standard enthalpy of vaporization (H°vap) of diethylether ((CH3CH2)2O) is 29.1 kJ/mol. The norma...

A: This question asks us to find the vapour pressure of diethyl ether at T=19°C when we have the data a...

Q: What can be Statement can be TRUE about acidic buffer? a. It is made of a mixture odf strong acid an...

A: Since you have posted multiple questions, we are entitled to answer the first only. 9) To identify: ...

Q: Distinguish sodium chloride structure and diamond structure. Provide an illustration to support your...

A: The main difference is – Sodium chloride is ionic and have Rock salt type structure while  Diamond i...

Q: Which of these elements is the least electronegative? O lodine Strontium Phosphorus O Vanadium

A: The given elements are Iodine, Strontium, Phosphorus, and Vanadium. Electronegativity increases acro...

Q: A tire has a pressure of 2.0 atm and 30 degrees Celsius. At the end of a long trip, the tire pressur...

A: We know that, at constant volume, P1/T1 = P2/T2  Given,  P1 = 2 atm  T1 = 30 °C = (273+30) = 303 K  ...

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.