Find the standard molar enthalpy for the reaction C + 1/2 O2 -> CO given that C + O2 -> CO2 Delta H = -394 KJ CO2 -> CO + 1/2 O2 Delta H = + 283 KJ

Q: 2c. The molecule below is called Taxol and it is a chemotherapy medication Label the functional grou...

A: a.)  Reduction : Gain of Hydrogen or lose of oxygen is called as reduction.  Oxidation :  Gain of ox...

Q: 2. Give the major product(s) or starting material/reagents of the following reactions as needed. А. ...

A: Addition of HX ( X= Br,Cl) to double bond occurs via carbocation intermediate formation. At the last...

Q: Part 2: Several experiments have been completed to solve for the rate constants for the above steps ...

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Q: Fact or Fiction? ______ a) Henna is only approved to color the hair (and not the skin). ______ b) Bl...

A: Fact or Fiction? ___Fiction___ a) Henna is only approved to color the hair (and not the skin). ___Fa...

Q: Write the balanced molecular chemical equation for the reaction in aqueous solution for sodium hydro...

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Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 9....

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Q: A mixture of helium and hydrogen gas is compressed from a volume of 81.0L to a volume of 70.0 L, whi...

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Q: 1) Calculate the shifts and signal patterns you would expect the following benzene protons would hav...

A: 1H-NMR spectrum shows an  number of signals corresponds to  number of sets of protons in the molecul...

Q: Write an equation for the dissociation of  NaCl CaCl2  AlCl3

A: Given,  The dissociation equation s of NaCl, CaCl2 and AlCl3 are:

Q: The heat of fusion of a sample of (polyethylene oxide) (PEO) was determined by DSC and turned out to...

A: Given that, the heat of fusion of a sample of (polyethylene oxide) (PEO) was determined by DSC and t...

Q: A sample of gas contains 0.1100 mol of CH4(g) and 0.2200 mol of 02(g) and occupies a volume of 14.5 ...

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Q: 7) 4-ethylcycloheptene

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Q: An analytical chemist is titrating 98.7 mL of a 0.2300M solution of isopropylamine ((CH3),CHNH,) wit...

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Q: Calculate the volume of 1.50 × 10-2 M NaOH that must be added to 500.0 mL of 0.200 M HCI to give a s...

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Q: d. [H]= 1 x 10-13 M e. [OH]=1 x 10-º M

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Q: 22- The RMN spectra of the two isomers of formula C10H14 are shown in problems 22a and 22b. Do not a...

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Q: Look at the periodic table listed below and use it to determine the correct number of dots needed fo...

A: In the lewis dot structure of an atom , the dots represent its valence shell electrons/valence elect...

Q: A sample of gas occupies a volume of 10.5 L at 700 mmHg and 100 degrees °C . What would the new pres...

A: The combined gas law This is also known as a general gas equation is obtained by combining three gas...

Q: The presence  of   the   alkaline earth  group is observed by precipitation using         Select one...

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Q: What is the mass in milligrams of the solute in 25.0 ml of 0.275 M NaOH? (atomic weights: H=1.01; Na...

A: Number of moles = mass/molar mass  So, mass = moles × molar mass   Molarity = moles of solute/volume...

Q: pHCalculations_Ayniah luster A B U SA 三 三 三 . What would the hydrogen ion concentration be if the pO...

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Q: 1. A drier is capable of drying a material from 45% moisture to 20% moisture. If the desired product...

A: Mass of desired product= 100 lb % of drying  = 45%— 20% = 25 %

Q: 5. During the Diels-Alder reaction, you had to remove excess maleic anhydride. Which of the followin...

A: 5. Vacuum Filteration technique could be used to remove excess of Maleic anhydride if the product fo...

Q: Would the reaction of magnesium, mg with oxygen be more or less vigorous than Al?

A:   Yes the reaction of Magnesium with oxygen will be more vigorously than Reaction of Alminium with o...

Q: A metal crystallizes with HCP unit cell. Its density is 8.67 g/cm3 and atomic weight of 111.95 g/mol...

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 5...

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Q: 4. What would the hydroxide ion concentration be if the hydrogen ion concentration was 1 x 10 M?

A: Given data for this, [H+] = 1×10-5 M   

Q: Convert the following: a. 8.75 g of B2O3 to mol b.167.2 mg of Na2B4O7.10H2O to mol c. 4.96 g of M...

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Q: 4. Braw а. Ra b.

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Q: H,C. CH3 CH2 H,C ČH3 5,8,8-trimethynon-1-ene Submit Previous Answers Request Answer X Incorrect; Try...

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Q: The solubility of CO2 in water is a function of pressure. Calculate the concentration of CO2 in wate...

A: The concentration of CO2 in water can be calculated using Henry's law.  We would use given Pressure ...

Q: Consider a solution of MgCl2(aq) with a molality of 0.00245 mol kg-1 Calculate the freezing point of...

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Q: 2. Calculate the entropy change at 25°C for the following reaction: 0.5 H2 (g) + 0.5 I2 (s) → HI (g...

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Q: SUBATOMIC PARTICLES AND ISOTOPES Complete Symbol Mass Number Number of Protons Atomic Number of Numb...

A: Given subparts: 7. Element name: Bromine Mass number = 80 Complete symbol=? Atomic number=? Number o...

Q: 3. Use reactions 1 and 2 to calculate Kc and Kp for reaction 3 at 800 K. Reaction 1: 2NO2(g) = N2(g)...

A: Given data :-

Q: Which one of the following exhibits dipole-dipole attraction between molecules? BI3 OF2 XeCl4 CH4 SB...

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Q: Use the information above to determine the rate of appearance of 02 between 800 and 900s.

A: Plot three graphs. (i) [N2O5] vs time If [N2O5] vs time is a straight line then the reaction is zero...

Q: 1. An aqueous solution is prepared that is initially 0.100 M Cdl2. After the equilibrium is establis...

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

Q: You are handed a 15.85% by mass aqueous KCl (m.m. = 74.5513 g mol–1) solution (at 25 °C). Assume the...

A: Given,  Mass percent of KCl in solution = 15.85%  Molar mass of KCl = 74.5513 g/mole  Density of the...

Q: 2. A metal with atomic weight of 63.65 g/mol crystallizes with a face-centered cubic unit cell. The ...

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Q: Hydrogen sulfide and oxygen react to form sulfur dioxide and water, like this: 2H,s(g)+3O,(g) → 2so,...

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Q: You are handed a 15.85% by mass aqueous KCl (m.m. = 74.5513 g mol–1) solution (at 25 °C). Assume the...

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Q: The remaining questions are focused on Le Chatelier's Principle and refer to the following balanced ...

A: According to Le Chatelier's principle if a system in equilibrium is subjected to any external change...

Q: Which of the following reactions require different reagents for terminal vs internal alkynes O reduc...

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Q: Iron (III) oxide, Fe2O3(s), is more commonly known as rust.  Show all calculations and a full soluti...

A: a.) For this part , i think we need to calculate the amount of iron in 77.2 g iron(III) oxide sample...

Q: A 60.00 mL of buffered solution (pH 10) containing Zn2* and Ni2* ions (from a chip sample) is analyz...

A: Metal ion combine with EDTA in 1 : 1 mole ratio. So we would calculate moles of both metal ions usin...

Q: d. [H]= 1 x 10-13 M e. [OH]=1 x 10º M

A: Calculate pOH of the following ---

Q: 6. Match the correct non: alkane functional group to the molecule in the table "There may be more th...

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Q: 3. In the background troposphere (photostationary state), the concentration of O, is 50 pptv when NO...

A: The equilibrium reaction for the photostationary state is represented as: NO2⇔NO+O3

Q: Acid and base react to form water and salt. If 10 mL of 0.50 M NaOH is added to 10 mL of 0.26 M H2SO...

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