Who worked out the process for obtaining aluminum from bauxite ore?
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For the second-order reaction below, the initial concentrati…
For the second-order reaction below, the initial concentration of A is 1.34 M. If k = 7.61 × 10−4 M1s−1, what is the concentration of A after 18.3 minutes? 2A → B rate = k[A]2
What volume of 0.2045 M NaOH is necessary to titrate 50.00…
What volume of 0.2045 M NaOH is necessary to titrate 50.00 mL of 0.1177 M acetic acid?
What is the coordination number of the central metal ion in…
What is the coordination number of the central metal ion in [Cr(en)2(OH)2]NO3? (en = H2NCH2CH2NH2)
“If a chemical system at equilibrium is disturbed by adding…
“If a chemical system at equilibrium is disturbed by adding a gaseous species (reactant or product), the reaction will proceed in such a direction as to consume part of the added species” is a statement of
Predict the signs of ΔS and ΔH for the evaporation of water…
Predict the signs of ΔS and ΔH for the evaporation of water at 295 K.
An ore is
An ore is
The main group metals in Group 2 are referred to as the …
The main group metals in Group 2 are referred to as the
A Lewis acid is defined as a(n)
A Lewis acid is defined as a(n)
What is the pH of 6.5 × 10–5 M KOH(aq) at 25°C?
What is the pH of 6.5 × 10–5 M KOH(aq) at 25°C?