Search & Filtering
A solution turns litmus paper to red, thymol blue to orange, and orange IV to red. Estimate the pH of the solution.
10 tonnes of limestone is added to 15 tonnes of brine. By using the overall reaction of the process.determine which of the raw materials are in excess.calculate the maximum mass of sodium carbonate that can be produced with these raw materials. Hence calculate the actual mass of sodium carbonate produced if the percentage yield of the process is 84.5%
The pounds of BaCl2needed to furnish 1.5lb of chlorine by an electrolyte
process
Why is it that there is no temperature during melting and boiling when we know that there is?
if the internal energy of reaction is 480J and the system absorbs 839J of heat from its surrounds,
a. Find the amount of work
b. Is the work done by system or work is done on the system? Explain
What is the meaning of nano-material
on complete combustion 0.246g of an organic compound gave 0.198g of CO2 and 0.1014g of H2O. What is the ratio of carbon and hydrogen atoms in the compound?
A safety valve in the reaction vessel is temporarily opened to release the high
pressure gasses. Describe the effect it has on the equilibrium position and the
equilibrium constant K.
ii) Calculate the concentration of methanol produced by the reaction in b), with the following reactant concentrations:
CO: 2.13 x 10^-3 mol L ^-1. H: 1.4 x 10^-3 mol L^-1
How many moles of oxygen is produced if 25 moles of water reacted based on the chemical equation 6 CO2 + 6 H2O =C6H12O6+6 O2
