How many grams of h2 gas can be produced by the reaction of 63.0 grams of al (s) with an excess of dilute hydrochloric acid in the reaction shown below? 2 al (s) + 6 hcl (aq) → 2 alcl3 (aq) + 3 h2 (g) ?

The science of classifying organism and assigning them

What's the relationship between chromatin and chromosomes?

What colors do you see actually make up white light?

NO2 and N2O4 undergo the reaction shown. When a sealed container of NO2 reaches chemical equilibrium, which must be true? A) No N2O4 is present. B) No chemical reactions are occurring. C) The rates of the forward and reverse reactions are equal.

Conduction happens as energy flows from a warmer object to a cooler object. Which of the following is an example of conduction?

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.

The lowest possible concentration of free hydrogen ions is represented by a ph value of

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Why do many metal ions produce acidic solutions when dissolved in water?

Which property of potential energy distinguishes it from kinetic energy? a. mass b. position c. force d. work and power