mass

Q: Explain using words as well as structural drawings, if the single curved arrow shown is sufficient t...

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Q: There are 20 kg of flues gases formed per kg of fuel oil burned in the combustion of a fuel oil C,,H...

A: 20kg of gas is produced when 1kg of C12H26 is burnt. We need to find the excess air in percentage. M...

Q: why is a red filter is needed when a Spectronic 20 is configured to make analyses out .into the near...

A: Spectronic 20 is a single beam spectrometer which operate in visible region of length 340-950nm and ...

Q: Ok so my problem is : I have a sample measuring 12.70 mm in diameter and 50.36 in mm but I have to...

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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: Determine the molality of a 6.930 wt % aqueous solution of LiCl

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Q: What should happen when the concentration of chloride is increased in a solution containing hexaaquo...

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Q: Identify the Functional Groups. * COOH 14- 11HN 'N.

A: In the given problem we have to write the functional group which are mentioned in the given compound...

Q: 7. Pb(NO,) KBr - KNO, PbBr, Balanced Equation: Reaction Type Molar Masses Pg(NO)2 KBr FONY PbBr in t...

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Q: Determine the percent error for your laboratory

A: m=0.13g  C= 4.184 J/g°C ∆T=34.8 - 23=11.8°C Heat q= mc∆T             =0.13*4.184*11.8=6.41J Moles=0....

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

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Q: S2O82- + I- ---> I3- + SO2  balance this reaction using ion-electron method stepwise in handwritten...

A: Redox reaction is the reaction in which oxidation and reduction takes place simultaneously. 

Q: why does MgCl2 and FeCl2 are different?

A: Salts are made from the metals and non metals .

Q: e equilibrium constant

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Q: 1.1, 1.2 Polarity and Bonding Practice 1. Highlight all of the polar bonds in the following molecule...

A: The molecules given are,  

Q: 2-Methyl-2-butanol reacts with hydrogen bromide via a(n) E2 mechanism   SN1 mechanism   E1 mechanis...

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Q: Which of the following compounds have +1 as a formal charge on an oxygen atom? :o: II III IV I

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

Q: Determine the molecular partition function, ?.

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Q: What is the geometry of the NF, molecule? trigonal bipyramidal tetrahedral

A: Now NF3 molecule has a lone pair on nitrogen atom thus making a lone pair bond pair repulsion betwee...

Q: What mass of calcium chloride can be prepared from 79.3 g of calcium oxide and 87.9 g of hydrochlori...

A: Given: Mass of calcium oxide i.e. CaO taken = 79.3 g. Mass of HCl taken = 87.9 g. Molar mass of HCl ...

Q: Which of the following has the most number of unpaired electrons? A. S* В. S С. S- D. S2- O D A B.

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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: .6 g/mol)

A: This question is based on the concept of moles. The data given are : For La3+: Volume  = 50.0 mL Con...

Q: Which substance exhibits stronger attractive intermolecular forces?  SiF4  SiCl4 Which substance has...

A: Thus for vaporization, higher temperature is required for the silicon tetrachloride rather than sili...

Q: What is the molecular polarity of CO2 and why? It is polar, because its charges are distributed asym...

A: When the electrons are symmetric distributed then the shape will be symmetric. 

Q: : Ci H O=C%3D H.

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Q: (a) (012), (c) (101),

A: Soln

Q: Polar or non-polar? Polar Non-polar Polar or non-polar? Polar Non-polar Polar or non-polar?" Polar N...

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Q: Predict the solvolysis products. CH3 Меон Create OscerSketch Answer 1 Predict the solvolysis product...

A: MeOH acts as nucleophile and chlorine group acts as good leaving group. Thus nucleophilic substituti...

Q: A reaction of importance in the formation of smog is that between onone and nitrogen monotide descnb...

A: Speed of reaction is measured in terms of rate of reaction  Here We are required to find the intital...

Q: 5.11 (a) Develop an electron-equivalent fermentation energy-reaction for conversion of propionate in...

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

Q: What molecular ions are expected for the following compound? (Be sure to use whole numbers for the a...

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Q: A typical hot-air balloon has a volume of 22.0 m3 when inflated. How much work (in J) must be done t...

A: Given: Atmospheric pressure = 762 torr. And final volume of balloon = 22.0 m3 = 22000 L             ...

Q: Consider the following heterogeneous reaction: Mg(s) + 2H3O*(aq) =Mg2*(aq) + H2(g) + 2H20() Vhich of...

A: Given : We have to choose which statement is false.

Q: Which of these bonds has the greatest polarity (highest percent ionic character)? O Si - Se Si - P S...

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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: Ten milliters of ethanol (ρ=0.789 g/mL) is added to sufficient amount of water to produce 100.0 mL s...

A: Given Volume of ethanol = 10 ml density of ethanol = 0.789 g/ml volume of solution = 100 ml density ...

Q: Find y n-Al= %3D use the follamng equation: ng mass of Sample = (n-H,-L5y )(65.4) + 27.0y m2య లఆ n-H...

A: Given: Mass of sample = 0.090 g. And n-H2 = 2.720 × 10-2 moles.  

Q: 1) Volume of liquid Liquid 1 Liquid 2 Type of liquid Water unknown liquid Volume (mL) 10.0 mL 10.0 m...

A: The mass and volume of liquid data given are,  

Q: at is the AG° for the following reaction from the equilibrium constant at the temperature c0,3(s) →C...

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Q: Balance the following chemical equation (if necessary): BF (s) + Li:SOs(s) → LiF(s) + B:(SO.)»(s)

A:   Chemical reactions are written equation form ,to balance a chemical equation following steps are i...

Q: Isopropyl alcohol is often used as a disinfectant.What are the consequences if this bottle of isopro...

A: Disinfectant is a chemical substance which is used to destroy microorganisms. 

Q: Predict the major product of the following sequence of reactions. 1) Og 2) DMS -? 3) LIAIH, 4) H,O* ...

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Q: In which direction will the reaction shift if 0.0500 M of each reactant and product are placed in a ...

A: Equilibrium Constant (Kc) is the ratio between the product of the concentration of the products to t...

Q: Fill in the table rows. Maintain the same number of significant digits. pH [H+] [OH] pOH 1.9 4.73 1....

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Q: What type of reaction mechanism accounts for the reaction of an conugated diene with HBr to give an ...

A: Conjugated dienes have more electron density. 

Q: What is the correct value of ml for the 4th electron of Carbon?

A: Given: 4th electron of Carbon.  

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

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Q: Match the labelled carbons with their respective hybridization. S. 3 C1 A. sp2 v C2 B. sp3 v C3 C. s...

A: We need to determine hybridization of each carbon in structure. 

Q: H H) • Name the compounds in this reaction. • What type of IFA is shown? Na* • What type of chemical...

A: The diagram given is,  

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.