<span>I presume that you mean 15.0 g of
iron(III) oxide
moles Fe2O3 = 15.0 g /159.694 g/mol= 0.0939
the
ratio between Fe2O3 and Al2O3 is 1 : 1
moles Al2O3 = 0.0939
mass
Al2O3 = 0.0939 mol x 101.963 g/mol= 9.57 g </span>
Gel electrophoresis :- the process in which molecules can be separated according to size and electrical charge by applying an electric current to them when they are in gel . the current forces through the molecules through the pores in the thin layer of gel .
Cell Transformation :- the changes in type of protein expressed and growth characteristics that take place in cells infected by some viruses <span />
Answer:
11.74
Explanation:
The formula to find the pH of a solution is..
pH = -log [H⁺]
pH = -log [1.8×10¹²]
pH = 11.74
The answer would be to 2 decimal places because the concentration is two significant digits.
Answer:.
pharmacies, prescribers, distributors/wholesalers, researchers, manufacturers, hospitals.
Explanation:
The Controlled Substance Act is a federal drug policy of the United States which regulates the manufacture, use, importation and possession and distribution of certain substances. It was enacted by the United States Congress in the year 1971.
Under the Controlled Substance Act, the dispensing of a controlled substance to the use includes pharmacies, prescribers, distributors/wholesalers, researchers, manufacturers, hospitals, etc.
Answer:
1.
CH4 + Cl2 → CH3-Cl + HCl
2CH3-Cl +2Na → C2H6
2.
CH3-CH2-OH ---(conc. H2SO4)----> CH2=CH2 + H2O
Explanation:
1. Conversion of methane to ethane
Step 1 - Treat methane with chlorine gas presence of ultraviolet light
CH4 + Cl2 → CH3-Cl + HCl
Step 2 - Treat chloromethane formed in step 1 with the sodium metal and dry ether (Wrutz synthesis)
2CH3-Cl +2Na → C2H6
2. On treating ethanol with excess of concentrated sulfuric acid, it converts into ethene
CH3-CH2-OH ---(conc. H2SO4)----> CH2=CH2 + H2O