25.0cm3 of 0.020mol/dm3 sulphuric acid neutralises 18.6cm3 of barium hydroxide solution

1) find the concentration of the barium hydroxide solution in mol/dm3

2) find the concentration of the barium hydroxide solution in g/dm3

What chemical reaction occurs in glow sticks?

Why would someone weigh less on Pluto?

Which planet do scientists believe prevented the asteroids in the asteroids belt from forming a planet? A. Earth B. Jupiter C. Mars D. Neptune

Rutherford's model of the atom was similar to Bohr's model because they both thought that:

Which equilibrium reaction shifts to the product side when the temperature is increased at constant pressure and to the reactant side when the total pressure is increased at constant temperature? A. N2 (g) + 3H2 (g) >< 2NO2 (g) C.

Nonmetal oxides can react with water to form acids. For example, carbon dioxide reacts with water to form carbonic acid: CO2 H2O H2CO3. (1) Write an equation to show how diiodine pentaoxide reacts with water to form an acid. Do not include states.

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?

Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is ch2o.

Draw the organic product of the following nucleophilic reaction

How does the energy of the activated complex compare with the energies of reactants and products? select one: a. it is lower than the energy of both reactants and products. b.