Which of the following is a synthesis reaction? 2S + 3O2 2SO3 2Na + 2H2O 2NaOH + H2 2H2O2 2H2O + O2 CaCl2 + F2 CaF2 + Cl2

If the first reaction used 0.5 g of copper then how many grams of copper will be produced in the last reaction?

Which type of reaction occurs when H + (aq) reacts with OH - (aq) ? O neutralization O decomposition O fermentation O combustion

What elements are in water

Why are some rocks more easily weathered than other rocks

Explain the process of water displacement and what it measures

The conversion of chemical energy to mechanical energy is best described by which example? A. sunlight warming the ground B. electricity boiling water C. fuel being combusted to power a rocket

he density of solid aluminum is 2.70. If a 1g peice of aluminum is dropped in a cup of water, it will sink to the bottomfloat to the tophover in the middle. (The density of water is 1.0

Match the action to the effect on the equilibrium position for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g). Match Term Definition Increasing the pressure A) Shift to the left Removing hydrogen gas B) No effect Adding a catalyst C) Shift to the right

The number of electrons in a neutral atom of hydrogen (H) atom is

What is buffer solution?