Is the ring and coffee cup topologically equivalent? How about a ring and a rubber band, are they topologically equivalent?

Q: How is specific heat and heat of fusion seen in the coffee cup calorimeter experiment?

A: At coffee cup calorimeter, is an isolated system containing water.  

Q: abner: Attempt 1 200 -band A band B 116 97 -band C 66 45 band D band E 29 23 -band F Based on the mi...

A: A question based on analytical separation that is to be accomplished.

Q: 6. Which of the following statements is true about the following acid/base reaction? F (aq) + HSO4 (...

A: pH is measure of acidity or basicity of a solution.. pH less than 7 indicate solution is acidic. pH ...

Q: draw the 2D network structure of crystalline

A: Crystalline lattice is a periodic array of atoms. Examples include diamond, metals, salt etc.

Q: V2 = the desired final volume of working solution How would you make a 100 ul working stock at a con...

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

Q: What is the nickel ion concentration in a solution prepared by mixing 409 mL of 0.389 M nickel nitra...

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Q: I am trying to determine absorbance values to construct a calibration curve. I am given that, 3,6,9,...

A: A question based on analytical process that is to be accomplished.

Q: Time to play Matchmaker! These problems and solutions go together like peanut butter and jelly! Each...

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Q: sketch 2D network structure of amorphous B2O3

A: Borate glass: B2O3: the glass former consisting of corner -sharing BO3 triangles connected by bridge...

Q: At 750 degrees Celsius, this reaction reaches an equilibrium in a 2 liters container. H2 (g) + CO (g...

A: Recall the given reaction,     H2 (g)  +  CO2 (g)  <------>  H2O (g)  +  CO (g) At equilibrium...

Q: What do you call the stage of the titration in which the number of moles of the titrant is stoichiom...

A: We have to tell the name of the stage when the number of moles of the titrant is stoichiometrically ...

Q: 12) Explain why compound 2 is a much weaker bane than compound 1 (approximately 1000 tirmes less bas...

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Q: 2. A sample of PCIS was placed in a vessel with an original concentration of 0.40 mol/L at a given t...

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Q: The titration of a weak acid with NaOH illustrates a reaction: Choose 1: 1) redox 2) neutralizatio...

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Q: Liquid mercury has a density of 13.69 g cm^-3, and solid mercury has a density of 14.690 g cm^-3 bot...

A: An equation that has been used to calculate the heat of vaporization if two different vapour pressur...

Q: Be sure to answer all parts. The equilibrium constant (K.) for the reaction 2HCI(g) =H;(g) + C2e) is...

A: Given-> 2HCl(g) --> H2(g) + Cl2(g).        Kc= 4.17 × 10-34  

Q: Rank these substances by acidity: 1 = most acidic, 5 = least acidic 4 3.

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Q: Consider the I-131 nucleus that is used to treat thyroid. Mass of I-131 is 130.78302 amu. Answer the...

A: The amount of energy released during the fission of I-131 nucleus to give Rb-89 and S-38 is needed t...

Q: For the rate law Rate = k[A][B]3/2, the order with respect to A is ______, the order with respect to...

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Q: Question:  What are the similarities between Flotation and Sedimentation methods of Concentration Te...

A: Sedimentation and flotation are solid-liquid separation processes used in water treatment mostly to ...

Q: Explain the process on how you came up with the answer.

A: Organic compounds can be defined as compounds containing hydrogen and carbon bonds. For example, met...

Q: If the molar solubility of Ag2SOA In water is 1.44 x 102 M, calculate the solubility product, Kn, fo...

A:   Given : Solubility =  s = 1.44 x 10-2 M   Find : To calculate the solubility product for AgSO.   F...

Q: Describe an efficient synthesis of  1-methyl-1-cyclohexanol from cyclohexanol. Show the structure of...

A: 1-methyl-1-cyclohexanol or 1-methylcyclohexanol can be formed from cyclohexanol by converting it to ...

Q: 1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus, a...

A: 1. An oxygen atom has eight protons and eight neutrons in the nucleus. Another four neutrons are add...

Q: of the following is expected to be the most reactive with Br2 in thne presence of Fe? „CF3 OH b. с. ...

A: As it is bromination of aromatic ring. It undergoes Aromatic electrophilic substitution reaction.  S...

Q: rough closest packed planes. In body-centered cubic (bcc) the closest packed plane is {110} and {111...

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Q: a dry natural gas consists of (60 gm methane, 20gm ethane, 15,gm propane, 8 gm I. Butane, 4 gm N.But...

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Q: A 10.00 mL sample of 1.20 M HNO2 (analyte) (pKa = 3.34 and Ka = 4.57x10-4) is titrated with 1.20 M N...

A: Given,  A 10.00 mL sample of 1.20 M HNO2 (analyte) (pKa = 3.34 and Ka = 4.57x10-4) is titrated with ...

Q: Provide reagents and conditions with mechanisms to produce the products indicated. HO OH o-CH3 OH OH...

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Q: :CH,CH=CHCH3 CH;CH,OH + KBr + +

A: Answer: option c is the correct answer .  Explanation : potassium ethoxide (CH3CH2O-K+) is a strong ...

Q: A 1.00 g sample of NaOH which has been exposed to the air  for  some time is dissolve in water and w...

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Q: Which is true about this reaction? CoCl- + 6H2O Co(H2O),* + 4CI- blue pink The formation of CoCl42- ...

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Q: 24.1 ml sample of 0.644 m formic acid (hcho2) is titrated with 0.644 m naoh. calculate the ph after ...

A: Given: Concentration of HCOOH = 0.644 M Volume of HCOOH sample = 24.1 mL = 0.0241 L                 ...

Q: Ionic Compounds are highly soluble in water. a) Identify which compound below is water soluble, expl...

A: Polar molecules are the molecules having net dipole moment and non polar molecules have zero dipole ...

Q: Arrange the salts by their molar solubility in water. value for Most soluble Least soluble

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Q: seu II IS the abs ute temperature Calculate the temperature and the pressure of the triple point of ...

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Q: Balance the equation... ...and classify it. Sb + Cl, → _SbCl, 1. 2. Mg + - 3. CaCl, → Ca + C. -

A: Given-> 1->Sb + Cl2 ---> SbCl3 2->Mg + O2 ---> MgO 3->CaCl2 --> Ca + Cl2  

Q: 1. Write the synthesis of phenobarbital, give names to the initial and intermediate substances.

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Q: Enter your answer in the provided box. For the reaction N2@) + 3H¿(g)5 2NH3(g) Kp is 0.000648 at 563...

A: Given data:: Kp=0.000648  T=563℃ = (563+273) K = 836 K Kc= ?

Q: H=? Eq.1 H, + O2 = H,0 Eq.2 N,O, + H,0 = HNO, Eq.3 N, + H= -167 J H= 15 J O2 + H, = HNO, H=122 J

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Q: Subject : fuel How can you prepare Power Alcohol.

A: How can we prepare Power Alcohol.

Q: Write out the net-ionic equation for the precipitation reaction that will happen with hydrogenphosph...

A: When hydrogen phosphate ion , HPO42- and 1 M CaCl2 treated with each other, then following reaction ...

Q: Complete the equilibrium reactions which are pertinent to an aqueous solution of Ag, CO,. Physical s...

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Q: 4. You have two reactions: A + B 2 C K1 CA + B K2 How are K1 and K2 related? a) K2 = 1/K1 b) K2 = (1...

A: A + B --> 2C.       K1.             (equation -1) C ---> 1/2(A) + 1/2(B).  K2.   ( equation-2)...

Q: 1. Which of the following about the effect of concentration of solution to the properties of solutio...

A: There are following different factors for solution concentration -  (1) The vapour pressure of pure ...

Q: True/False Indicate whether the statement is true or false. 1. A system at equilibrium means the con...

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Q: Solutions conduct electricity, if there are charged particles or ions present. Our body contains ion...

A: An electrolyte imbalance can occur if the body has too much or too little water. Electrolytes are mi...

Q: MULTIPLE CHOICE Question 8 How do phosphate-containing fertilizers and detergents lead to low-oxygen...

A: Oxygen is required for survival of living organisms. If proper amount of oxygen is not available the...

Q: NH4 so,2- Ba2+ NO3- A solution of (NH4),SO4 is combined with a solution of Ba(NO3),, as shown in the...

A: The reaction in which both centre atom replaces each other is called as double displacement reaction...

Q: Determine the Factor of the following compounds c. Potash

A: For salts:  n factor = total positive charge of Cation or total negetive charge of Anion Potash Alum...