Which gas was not part of Earth's original atmosphere?

What is stearic acid?

8. How many atoms of cobalt are in a 0.39 mole sample of Co (C, H, O2),?

IKI will turn deep purple in the presence of starch. Which term is applied to IKI in this situation? A. indicator B. litmus C. modifier D. product

Which is a component of cell theory? A. Cells come from bacteria. B. Cells come from cells. C. Cells come from nonliving matter. D. Cells come from non-cells. This is a science problem

What would make bromide salt insoluble in water?

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.