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Inorganic Chemistry
A cosmetic company manufactures hand sanitizers, and one of the main ingredients used is 70.0 % isopropyl alcohol by volume. [Note: The density of isopropyl alcohol is 0.786 g/cm3 and Mr of isopropyl alcohol (CH3CHOHCH3) is 60.0 g/mol] a) What is the IUPAC name of isopropyl alcohol? b) Calculate the molality of isopropyl alcohol. c) Calculate the molarity of isopropyl alcohol. d) Calculate the % by mass of isopropyl alcohol. e) Calculate the ppm by mass of isopropyl alcohol.
Inorganic Chemistry
1. Why is it important for industries to carefully control reactants that are in excess during the chemical processes used in their industry?
1 point
a. Excess chemicals can be released into the environment causing environmental damage.
b. Excess chemicals that are released into the environment and not used waste money.
c. Excess chemicals must be free of impurities to be effective in the chemical reactions.
d. Two of the above statements are valid.
e. All three of the above statements are valid.
1 point
a. Excess chemicals can be released into the environment causing environmental damage.
b. Excess chemicals that are released into the environment and not used waste money.
c. Excess chemicals must be free of impurities to be effective in the chemical reactions.
d. Two of the above statements are valid.
e. All three of the above statements are valid.
Inorganic Chemistry
Metallation and Mannich condensation of ferrocene.
Inorganic Chemistry
4. The Environmental Protection Agency (EPA) has a limit of 15 ppm for the amount of lead in drinking water. If a 2.65x10-4 gallon sample of water at 20 o C contains 15 ppm of lead, how many lead ions are there in the sample of water ? what is the mole fraction of lead ion in solution ?
Inorganic Chemistry
Explain with reason that Ni spatula can or cannot be used to stir copper sulphate solution?
Given E0 Ni2+ | Ni = - 0.2361V and E0 Cu2+ | Cu = 0.34 V
Given E0 Ni2+ | Ni = - 0.2361V and E0 Cu2+ | Cu = 0.34 V
Inorganic Chemistry
. Amir synthesized a polymer at less than 100°C in the presence of Ziegler-Natta catalyst. Write the name of polymer and uses of this polymer? What is the importance of this process using Zeigler- Natta catalyst?
Inorganic Chemistry
The rate constant of a chemical reaction increased from 0.100 s−1 to 3.00 s−1 upon raising the temperature from 25.0 ∘C to 37.0 ∘C .May I please ask what is the activation energy of the reaction?Thanks
Inorganic Chemistry
The rate constant of a chemical reaction increased from 0.100 s−1 to 3.00 s−1 upon raising the temperature from 25.0 ∘C to 37.0 ∘C .
Calculate the value of ln(k1/k2) where k1 and k2 correspond to the rate constants at the initial and the final temperatures as defined in part A.
Calculate the value of ln(k1/k2) where k1 and k2 correspond to the rate constants at the initial and the final temperatures as defined in part A.
Inorganic Chemistry
Hi,
The gas-phase reaction of NO with F2 to form NOF and F has an activation energy of Ea = 6.30 kJ/mol and a frequency factor of A = 6.00×108 M−1⋅s−1 . The reaction is believed to be bimolecular:
NO(g)+F2(g)→NOF(g)+F(g).What is the rate constant at 685 ∘C ?
The gas-phase reaction of NO with F2 to form NOF and F has an activation energy of Ea = 6.30 kJ/mol and a frequency factor of A = 6.00×108 M−1⋅s−1 . The reaction is believed to be bimolecular:
NO(g)+F2(g)→NOF(g)+F(g).What is the rate constant at 685 ∘C ?
Inorganic Chemistry
Good day,
A certain first-order reaction has a rate constant of 4.00×10−3 s−1. How long will it take for the reactant concentration to drop to 18 of its initial value
A certain first-order reaction has a rate constant of 4.00×10−3 s−1. How long will it take for the reactant concentration to drop to 18 of its initial value
