molality

Q: Draw the prödücts öf LIN(iPr)2 MeO THE -78°C a) label the E/Z geometry of the two products. b) draw ...

A: Since you have asked a question with multiple sub-parts, we will solve first three sub-parts for you...

Q: A drug can exert its pharmacological effect only if it is

A: This is a multipart question. According to Guidelines, if there are five parts in a multipart questi...

Q: Activity 1 Let us make your learning more exciting and challenging. To help you recall the different...

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

Q: At 36.0 °C the density of water is 0.9936870 g/cm3. At 37.0 °C the density of water is 0.9933390 g/c...

A: The given information is: Density of water (36.0 °C)= 0.9936870 g/cm3. Density of water (37.0 °C)= 0...

Q: By following the direction of curve arrow, draw the final product after the reaction. (a) BF, (c) - ...

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Q: A 250 mL solution of 2.5 x 10 M AGNO3 is mixed with 150 mL of 5 x 10 M Na 3PO4- What is the value of...

A: Ans. (a) Value of Q (reaction quotient): The given compounds' reaction is 3AgNO3+Na3PO4 → Ag3PO4+3Na...

Q: Liquid octane (CH,(CH,) CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (...

A: CH3(CH2)6CH3 +(50/2) O2 ----------> 8CO2+9H2O  Complete combustion of hydrocarbon leads to the fo...

Q: Abel reacts copper with silver nitrate and recovers 5.2 g Ag. However, after mass to mass stoichiome...

A: The theoretical yield of silver is = 9.5 g The actual yield of the silver in the reaction is = 5.2 g...

Q: c. 0.756 g/mL to ng/L d. 9.647 x 10 nm/s to m/yr (Assume that the year is 2022).

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Q: solve the following problems on a separate sheet of paper. 1 What is the number of atoms contained i...

A: Mole can be defined as a standard unit for measuring large quantities of very small atoms, molecules...

Q: A solution containing about 0.001 M Ca2+ is being measured using a calcium-specific electrode. If an...

A: Concentration of Ca2+ = 0.001M Permissible interference from Na+ = 4% We have to calculate the maxim...

Q: Calculate the value of ?p for the equation   C(s)+CO2(g)↽−−⇀2CO(g)?p=? given that at a certain tem...

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Q: 1.Calculate ∆U (in J) for one mole of ideal gas (CV = 3/2nR) which is heated from 30°C to 125

A: Internal energy denoted Symbol U which is the amount of energy possessed by a system the variation o...

Q: Oxidize the below molecule as many times as possible. Then name each product. CI

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Q: MA 1.00 12.0 14.0 15.9 22.9 28.0 30.9

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Q: 3) What volume (in mL) of guanidine, CH5N3, is required to prepare 250 mL of the following solutions...

A: Density of guanidine (CH5N3) = 1.18g/ml Mol. mass of guanidine = 59.072g/mol (Calculated according t...

Q: What is Keq for the two possible chair conformations? (cis-1,2-dimethylcyclohexane.) Explain how you...

A: Here we have to determine Keq value of two possible chair conformation cis-1,2-dimethylcyclohexane. ...

Q: Describe the formation of heavier elements during stars' formation and evolutions; Give at least 10 ...

A: Introduction :  An element is a group of atoms which have same number of protons, in pure form they ...

Q: To what volume (in mL) would you need to dilute 40.0 mL of a 1.25 M solution of NaCl to make a 0.086...

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Q: The chemical formula for sodium bromide is NaBr. A chemist measured the amount of sodium bromide pro...

A: Concept :  Number of moles = mass of the given substance/ molar mass of the given substance.  It's S...

Q: Which of the following rate expressions correspond to the reaction A + 3 B → C? rate=A[C]/2At A[C] r...

A: The rate of a chemical reaction can be expressed as the rate of decrease in concentration of reactan...

Q: Natasha was trying to identify 452.1 g of an unknown non- electrolyte sample. Given the limited inst...

A: The data given is, Mass of water i.e. solvent = density × volume = 1.0 × 500.0 = 500 g = 0.5 Kg  

Q: Combustion of hexane: 2C6H14 (g) + 19O2 (g) --> 12CO2 (g) + 14H2O (g) a. How many grams of oxygen g...

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Q: Ethanolamine, HOC2H4NH2 , is a viscous liquid with an ammonia-like odor; it is used to remove hydrog...

A: Weak base are bases which does not dissociate completely to furnish hydroxide ion when dissolved in ...

Q: Oxidation number

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Q: Using the templates provided, draw both chair conformations afforded to each Compound A and Compound...

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Q: How many grams of NaH2C6H507 must be added to a 300 mL solution of 0.15 M H3C6H507 (Ka = 3.2x 10) to...

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Q: Draw the alcohol from which you could make 2-chloropentanal. Hint: Start by drawing 2-chloropentanal...

A: Here we have to prepare 2-chloropentanal by retro synthesis process from suitable alcohol as startin...

Q: II. Answer the following problems. Show your solution. 1. A gas in a closed container is heated wit...

A: Solution.  (1)                         Given that • heat energy (Q) = 10 J • rise of lid of contain...

Q: A hydrogen atom with its electron in the n =5 energy level emits a photon. a. To what energy level d...

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Q: What volume (mL) of 0.0665 M KMnO4 is necessary to convert 12.5 g KI (166.00 g/mol) to I2 in the rea...

A: Given equation is : 2KMnO4 + 10KI + 8H2SO4 --------> 6K2SO4 + 2MnSO4 + 5I2 + 8H2O Molarity of KMn...

Q: 2. In the reaction 2Al + 6HCI ag) →2A1* (ag) + 6CI (ag) +3H2) (a) 6L HC1 is consumed for 3L, H produ...

A: 2Al(s) + 6HCl (aq) = 2 Al3+ (aq)+ 6Cl-(aq) + 3H2(g) In the above reaction, 6 moles of HCl is consume...

Q: According to Bohr, how much energy would an electron have in the third orbit if the ionization energ...

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Q: it is positive for translucent test,

A: In this question we have to explain what happened when the known sample was tested with different ty...

Q: How many grams of NaH2C6H5O7 must be added to a 300 mL solution of 0.15 M H3C6H507 (Ka= 3.2x 10) to ...

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Q: What is a, the unit cell length, in nm, for aluminum? a = i nm

A: We have to find out the edge length "a" for the unit cell of aluminium.,

Q: Write and balance the equation for the chemical reaction below. Identify the type of chemical reacti...

A: Balanced chemical equation is the equation in which number of atoms on left hand side and right hand...

Q: Assign 1UPAC names to the following âlcahols; a) CHz ClHa C It, -ot CH2 CH2 CH2 - OH CH3 c)CHz Ċ HCH...

A: IUPAC nomenclature rules for alcohols: • Identify the longest continuous carbon chain. • Identify th...

Q: In the chemistry lab stockroom, there is more than enough hydrogen gas for the reaction , but only 2...

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Q: Lead (Pb) is a heavy metal which has a leaching rate of about 0.0012 mg/L per year. Consider a lake ...

A: Leaching rate of Pb = 0.0012mg/L per year Volume of lake = 2.25x10^9 L Mass of Pb present initially ...

Q: Gaseous ethane (CH, CH,) reacts with gaseous oxygen gas (O,) to produce gaseous carbon dioxide (CO,)...

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Q: A sample of Ni weighs 73.6 grams. Will a sample of Ag that contains the same number of atoms weigh m...

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Q: What is the correct equation to calculate pH? Group of answer choices pH = −log[H+] pH = −log[OH−] p...

A: Correct equation to calculate pH = ? 

Q: How to improve the yeild in haber process

A: Given: Habers process. It is a process in which the formation of ammonia takes place from nitrogen a...

Q: Sodium reacts with oxygen to produce sodium oxide in a synthesis reaction. A chemist needs to produc...

A: Sodium metal reacts with oxygen to form sodium oxide. The equation for the balanced chemical reactio...

Q: examples of Ssily the definitions in the introduction. Cr2 O3 + 2Al- 2Cr + Al½O3 CH4 + 202+ CO2 + 2H...

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Q: NH2 но. CF3 CF3 IZ

A: The fate of the given reaction is decided by the chemical nature of the leaving group and its conjug...

Q: undiluted 0.715 1:4 dilution ratio 0.447 1:9 dilution ratio 0.321 a. Calculate the slope, y-intercep...

A: First plot the graph of absorbance vs concentration . Then find the equation for graph using Excel.

Q: The reaction of CH3OC1 with LICH3 to form (CH3)20 is second order with respect to both LICH3 and CH3...

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Q: At 483 K, this reaction has a ?c value of 0.0435.   2X(g)+3Y(g)↽−−⇀Z(g) Calculate ?p at 483 K. Not...

A: Relationship between KP and KC: