How many grams of ethynlene glycol, C2H4(OH)2, are needed per kilogram of water to protect radiator fluid against freezing down to -10C

Q: Assume that A and B are ion pair which dissociates into A(cation) and B(anion). Calculate the equili...

A: Answer  [A+] = 4.0 × 10^-6 M  

Q: Label and encircle the functional groups present in Vancomycin

A: Functional groups are the group of atoms that shows a characteristics chemical  behavior towards ext...

Q: Cag(PO4)2 (s)=3Ca2* (aq) + 2PO43- (aq) If, at equilibrium, a beaker contains 1.00 L of solution with...

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Q: Given the following reaction: A+ 3B --> 2 C Calculate how many grams of C are produced from of 16 g ...

A: The balanced equation is given and the number of moles of reactant can be calculated using given mas...

Q: homemade product

A: In this question we have to explain the example project proposal about designing a homemade product ...

Q: How many moles of cu reacted in my lab? Please show how you got the answer

A: A question based on mole concept that is to be accomplished.

Q: Given the following proposed mechanism, predict the rate law for the overall reaction: 2 NO2 + Cl2 →...

A: Elementary reactions are those which occur in one step and in case of elementary reaction the order ...

Q: Review Beer's Law. absorbance of 0.75 at 660 nm. An unknown solution of the same metal ion, on the s...

A: Given: Concentration of known sample = 2.5 M The absorbance of known sample = 0.75  The absorbance o...

Q: What is the pH for a solution at 25 °C that has a OH" concentration of 3.08 ×10-4 M?

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

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Q: Methyl violet belongs to a large class of chemicals called acid-base indicators. These substances ch...

A: This is about behavior of an acid-base indicator. Here the indicator used is, "Methyl violet".   (a)...

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: Cobalt(II) complex ion solution:                                [Co(H2O)6]+2(aq)  +  4Cl-(aq)    ...

A: [Co(H2O)6]2+ (aq)(pink)+ 4Cl- (aq)----->                                        [CoCl4]2-(blue)+ ...

Q: O A. The overall order of the reaction is 2. O B. The overall order of the reaction is 1. OC. The re...

A: 1. The overall order of the reaction is 1. As in the rate of the reaction is dependent on the amount...

Q: How many milliliters of a 100 mg/ml e Sig. As directed. How many milliliters of a 100 mg/m ph concen...

A: Given :-  If a pharmacist fortified 10g of a 0.1% w/w tacrolimus (PROTOPIC) ointment by adding 12.5 ...

Q: Principle involved in the HYDROLYTIC REACTIONS:   Hydrolysis of esters Fast reaction Hydrolysis of ...

A: The hydrolysis  means ,reaction  with water  or addition  of water.  The ester on hydrolysis  gives ...

Q: What is the frequency of a photon if the energy is 7.63 x 1019 J? (h = 6.626 × 1034 J • s)

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Q: What is the molarity of a solution of sodium hydroxide if 39.5 mL is neutralized by 15.7 mL of a 0.1...

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Q: What is the empirical formula for an unknown organic compound, if the compound contains 75% carbon a...

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Q: One mechanism for the destruction of ozone in the upper atmosphere is O3 (9) + NO(9) → NO,(g) + O2 (...

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Q: Upon the decomposition of baking soda, carbon dioxide is release, which causes a cake to rise while ...

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Q: Draw the product of the reaction shown below. Use wedge and dash bonds to indicate stereochemistry w...

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Q: Strongest intermolecular force in magnesium

A: Answer - Intermolecular force - An intermolecular force is the force that mediates interaction betwe...

Q: X+Y2----XY How many moles of Y2 would be required to produce 0.022 moles of XY?

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Q: Calculate the value of AH° for the reaction. 2 H2S (g) + 3 02 (g) > 2 H2O (1) + 2 SO2 (g) AH°F H2S (...

A: The standard enthalpy of formation is the enthalpy change of reaction in standard conditions when on...

Q: what is the role biotin in beta oxidation and fatty acid synthesis

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Q: 5. The radius of an atom is approximately 1010 m. That of the nucleus is 1014 m. What percentage of ...

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Q: What volume in mL of 0.300 M NaF would be required to make a 0.0320 M solution of NaF when diluted t...

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Q: Consider the following reaction, where Kc = 0.658 at a particular temperature: N204(g) = 2 NO2(g) Su...

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Q: Stannous fluoride, or Tn(II) fluoride, is a compound commonly used in toothpastes with similar in fu...

A: All the NMR spectrum shown in Step 2:

Q: In Experiment 66: An Oxidation Puzzle, one alcohol on the starting material was selectively oxidized...

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Q: Calculate the entropy change when two moles of water boil at 100.0 °C. The value of AH is 40.65 kJ m...

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Q: Write the matrix z coordinates of the following compounds: anthranilic acid N-phenyl anthranilic ac...

A: Clarification - Fenamic acid is an aminobenzoic acidthat is the N-phenyl subsidiary of anthranilicac...

Q: How many moles of carbon in 70.43 grams of C6X12Y4? (Assume the molar mass of C6X12Y4 is 295.8)

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to ...

Q: tion 13 For the reaction, 2X = Y, If 4.0 moles of X and 0.4 moles of Y are introduced into a 4.00L f...

A: The solution is given below - 

Q: 13. The reactant that is completely used up in the reaction le the... A. Limiting reactant B. Excess...

A: The limiting reagent  is the one reactant  which in a chemical reaction is  totally consumed when th...

Q: Al203 (s) = 2A13+ (aq) + 302- (aq) If, at equilibrium, a beaker contains 1.00 L of solution with 19....

A: The equilibrium reaction involved is Al2O3 <------> 2Al3+ (aq) + 3O2- (aq) Volume of equilibri...

Q: eigy dlagladm were calalyzed, the effect would be to: Reaction Coordinate O A increase line segment ...

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Q: Balance the following redox reaction: CN-1 + MnO4-1 → CNO-1 + MnO2  (basic)

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Q: Which two species act as the bases in the following reaction? HF + HS- 2 F+ H2S O A. F , H2S O B. HS...

A: The species  which  accepts proton is called as base.after accenting  proton ,each base forms its co...

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: 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: Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid...

A: Volume of tank = 125 L Initial moles of SO2 = 12 mol Initial moles of O2 = 9.3 mol Equilibrium moles...

Q: Select the lesser of each of the following pairs of ionization energies (IE). A) The 1st IE of I T...

A: To determine the lesser for each pair of ionization energies:  Ionization energy is the minimum ener...

Q: 3 To balance the reaction AlG) + Z" caq)→ A13+ Ca) and write it. s written Als) + A12* Cag)→Z H* Caq...

A: Complete solution is given below in next step 

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: 1. (b). Positron emission of 0"Br35 2. The disintegration energy of the decay30 P1s by position emis...

A: The energy released during radioactive decay = ∆m×931 MeV where ∆m = mass difference

Q: 1.    A Brønsted–Lowry acid is a     ? a.    Proton donor b.    Proton acceptor c.    Electron-pair ...

A: The substance that donate proton (H+ ion) is know as Bronsted Lowry acid and the substance that acce...

Q: 2N20(g) + N2H4(g) = 2H20(g) + 3N2(g) If Kp for the above reaction is 0.310 at 187.0 K, what is Kc fo...

A: Given that, Kp of the given reaction= 0.310  Kc = ?  T= 187.0 K   

Q: A solid crystal of NaCl is O a. soft, low melting, a poor electrical conductor. O b. soft, high melt...

A: