Search & Filtering
A wooden object found in an Indian burlal ground and subjected to radiocarbon dating. The decay with C-10 disintegrations per minute per gram carbonWhat is the age of the objecte
How much volume (in L) will 9,499 dg of a substance having a density of 1.57 g/mL occupy?
A solution of hydrochloric acid has a concentration of 4.50g L-1 .
(i) Calculate the hydronium ion concentration in mol L-1 .
(ii) Calculate the pH of the solution.
During the course of an experiment, a student prepared a solution of sodium hydroxide by dissolving 3g of the salt in 100mL of water. Calculate the pH of the solution.
The container where the following reaction is occurring (at equilibrium) has its volume suddenly increased. Which way will the equilibrium shift to compensate this change?
N2 (g) + 3H2 (g) ⇌2NH3 (g) ∆H = -92 kJ/mol
Adults consume less than about 25g of sugar a day, What percentage of this mass of sugar is found in 15g of drink crystals
How many sodium ions are in 3.0 moles of NaCI?
