What mass of hydrogen gas can be produced by 6.0 mol of aluminum with hydrochloric acid?

Select two statements that describe how elements in the same group are similar to each other. Remember to select two answers A: Elements in the same group share the same number of valence electrons.

HOCl dissociative into which 2 ions

How many significant figures are in the number 4.00700 x 1013?

When a solution of NaI reacts with a solution of AgNO3, what is the net ionic equation? Na + (aq) + NO3 - (aq) → NaNO3 (s) Na (aq) + NO3 (aq) → NaNO3 (s) No reaction Ag + (aq) + Cl - (aq) → AgCl (s)

How can you make a solution saturated? add more solution add more solvent add more solute decrease the consentration

The dihydrogenphosphate ion, H2PO4 - is amphiprotic. In which of the following reactions is this ion serving as a base?

What is the reactant (s) of the reaction below? MgCO3 (s) → MgO (s) + CO2 (g) O A. Magnesium oxide and carbonate O B. Magnesium carbonate O O C. Magnesium and carbon dioxide D. Magnesium oxide

Temperatures in June in the Paradise City are distributed nearly normally with mean 82 degrees and standard deviation 6 degrees F. Which of the following temperatures would be considered unusual? A. 89.2 B. 75.4 C. 79 D. 86.2 E. 95.8

Which feature do all adult echinoderms have?

A scientist observed a 5-mL sample of an unknown substance. It is a blue liquid with a density of 1.2 g/cm. the substance reacts with carbon dioxide.