A few drops of methyl orange are added to a reaction mixture. During the reaction, a gas is produced and methyl orange turns from red to orange. what are the reactants? A- Aqueous sodium hydroxide and ammonium chloride
B- Aqueous sodium hydroxide and calcium carbonate
C- dilute hydrochloric acid and magnesium
D- dilute hydrochloric acid and aqueous sodium hydroxide

*Please tell the correct answer and its reasoning.

How many molecules are in 6.0 moles of methane

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: