A reaction has a ΔG‡ = 15 kcal/mol at 280 K. (b) At what temperature will the reaction be accelerated by a factor of 10? (give answer with units in kelvin)

Q: The ?a of a weak monoprotic acid is2.72×10−5. What is the pH of a 0.0751 M solution of this acid?

A:

Q: A compound containing one functional group has a strong IR absorption band in the 1650-1800 cm regio...

A: Choose the correct option of the following--

Q: Could you complete the reaction and write the chemical formula and say what type of reaction it is. ...

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for you...

Q: An iron ore was analyzed by dissolving a 2.9912-g sample in concentrated HCI. The resulting solution...

A: Given: Mass of ore sample used = 2.9912 g. And mass of Fe2O3 obtained = 0.8394 g.  

Q: Draw an alkyl bromide with proper stereochemistry that can be used to synthesize the given alkene as...

A: Answer: To form the desired alkene we need a strong non-bulky base that attacks on alkyl bromide whi...

Q: The equilibrium constant (K.) for the reaction PCI3 (g) + Cl2 (9) PCI5 (g) equals 49 at 230°C. If 0....

A:

Q: Lithium metal reacts with nitrogen gas to form lithium nitride. Identify the balanced reaction that ...

A:

Q: Which of the following samples contains the greatest number of atoms? O 2.0 mole of Ar O 0.1 mole of...

A: In this question, which sample contains the greatest number of atoms.

Q: How many grams of NaCl would you need to make 100 ml of a 9.7%(m/v) solution of NaCl?

A: Given, a NaCl solution with concentration 9.7 % ( w/v)we are asked to calculate the amount of NaCl r...

Q: What ratio do we need to prepare a solution with pH = 4.15 using formic acid and its conjugate base,...

A:

Q: When the concentrations of reactant molecules are increased, the rate of reaction increases. The bes...

A:

Q: Using a Stork enamine synthesis, show how you might accomplish the following transformation: The tra...

A:

Q: Calculate the final temperature of the system: A 50.0 gram sample of water initially at 100 °C and a...

A: When the two water samples of different temperatures are mixed, the heat flow takes place from the h...

Q: How much heat is released or absorbed in the reaction of 10.0 grams of SiO2 (quartz) with excess hyd...

A:

Q: Calculate how much solid NaH2PO4•H2O and NazHPO4 are required to prepare 50.00 mL of a 0.100 M buffe...

A: Buffer solution: A buffer solution  is an aqueous solution consisting of a mixture of a weak acid an...

Q: Methane + H2SO4 (change) --- >

A: 4 H2SO4 + CH4 → 6 H2O + CO2 + 4 SO2

Q: 2) Write and balance this reaction: solid iron (III) oxide produces solid iron plus oxygen gas. Iden...

A:

Q: An analytical chemist is titrating 163.0 ml of a 0.5900M solution of cyanic acid (HCNO) with a 0.500...

A: Given : We have to calculate pH .

Q: Without doing any calculation, calculate the sign of work for each chemical reaction: a) 2H2(g) + O2...

A:

Q: To what temperature would you have to heat carvone, an oil giving spearint its odor,(l) to cause its...

A:

Q: Naming of Alkanes: me

A:

Q: Consider the substitution reaction shown below. By what mechanism will the reaction proceed? NaCN Br...

A:

Q: (i) H3C- -CH3 + H2N-CH3 (i) H;C-c-CH3 + H3C- H2N-CH3

A: In this question, we have to predict the product in both the reactions:

Q: (molecular equation)

A:

Q: 5. Study the following electron configurations for Am (atomic number 95) and Cm (atomic number 96): ...

A: The electronic configuration is a summary of where the electrons are to be placed around the nucleus...

Q: chemistry MCQS produce a trans-1,2-diol with 2-butener OsO4 in pyridine followed by Na2SO3 OsO4 in N...

A:

Q: vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 987 torr. The partial pres...

A: According to the Dalton’s law For a non-reacting gaseous mixture sum of partial pressure of individu...

Q: Could you please complete the reaction equation with the correct chemical formula for the product an...

A:

Q: HCI. Calculate the pH of the solution after the addition of 6.95 mL of 0.277 M HCI. pH = Calculate t...

A:

Q: Use the standard half-cell potentials listed in the table to calculate the standard cell potential i...

A:

Q: Assign the correct stereochemical description to the chiral center in this molecule: CH,CH3 "Н H;C B...

A: Every chiral carbon has specific configuration.these configuration are either R or S.  

Q: e coordination number for

A:

Q: I’m an acid base neutralization reaction 23.74 mL of 0.400 M sodium hydroxide reacts with 50.00mL of...

A: This is an example of acid base neutralization reaction where one mole of sulfuric acid reacts compl...

Q: The reaction H2(g) + I2(g) 22 HI(g) has an equilibrium constant K. of 49.7 at 458 °C. If a 60.0-L mi...

A: To calculate moles of each species , we would draw an ICE table and use given initial concentration ...

Q: An increase in the temperature of the reactants causes an increase in the rate of reaction. The best...

A: In this question, we have to choose the correct explanation for the behaviour that as the temperatur...

Q: 1. Draw a figure of the equilibrium between aqueous carbon dioxide and gaseous carbon dioxide in the...

A: Concept:  Carbon dioxide exit in gaseous state and it is represented by CO2(g). When CO2(g) is disso...

Q: When methanol, CH,OH, is burned in the presence of oxygen gas, 0,, a large amount of heat energy is ...

A:

Q: → products) (Don't forget • If there is reaction, write a complete chemical equation (reactants to i...

A:

Q: Consider the following reaction at equilibrium. What effect will increasing the temperature have on ...

A: Fe3O4(s) + CO(g) ---> 3FeO(s) + CO2(g) ∆H° =+  35.9 kj Yes, your answer is correct.  

Q: The pKa of hypochlorous acid is 7.530. A 59.0 mL solution of 0.133 M sodium hypochlorite (NaOCI) is ...

A: Given :- The pka of hypochlorous acid is 7.530. A 59.0 mL solution of 0.133 M sodium hypochlorite (N...

Q: 1. a) Name this compound ("your compound") according to the IUPAC system. Include stereochemistry (c...

A: In this question, name the given compound including stereochemistry:

Q: If 34.7 g of AgNO3 react with 28.6 g of H¿SO, according to this UNBALANCED equation below, what is t...

A:

Q: What is the work which can be accomplished by the following reaction: (s) + 2K - 2 K* + 21 Calculate...

A: The reaction given is, => I2 (s) + 2 K → 2 K+ + 2 I-   

Q: Consider the photochemical isomerization A= B. At 650. nm, the quantum yields for the forward and re...

A: Concept:  The Beer-Lambert law: It states that there is a linear relationship between the concentrat...

Q: occur at the same rate. the reaction is no longer reversible.

A: Rate of chemical reaction is the change in the concentration in the given time interval.   

Q: Classify the relationship between the two structures shown below: Br "Br Br Br Diastereomers Conform...

A: First we would check the type and name of given compounds.   

Q: most stable?

A:

Q: write five reaction of aldol by chemical e quation ?

A: Aldol reaction: Aldol is an word use for aldehyde and alcohol. When the enolate of an aldehyde or a ...

Q: hat was planck's evolution of atomic theory and their models?Explain briefly

A: Atomic theory was heavily influenced by Planck's quantum theory. The discontinuity of the rotation a...

Q: Calculate the molality of a solution that is 20.0% by weight acetic acid. Atomic weights: C = 12.01...

A: