VincenTragosta - Tanya, Jawab, dan Belajar Tanpa Batas Logo

Questions in chemistry

[Terjawab] Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to

[Terjawab] What is titration? Define it.

[Terjawab] On the seashore, pebbles that are rough and uneven become smooth and rounded. Explain how they become smooth and rounded.

[Terjawab] Ammonia and sulfuric acid react to form ammonium sulfate. Determine the starting mass of each reactant if 20.3 g of ammonium sulfate is produced and 5.89 g of sulfuric acid remains unreacted.

[Terjawab] Ions that are made of more than one atom are examples of polyatomic ions.

[Terjawab] Compare the element hydrogen with the alkali metal sodium.

[Terjawab] What is the volume of 14.0 g of nitrogen gas, \([tex]N_2[/tex]\), at a pressure of 2.00 atm and a temperature of 27.0 degrees Celsius? A. 5.60 L B. 6.15 L C. 11.2 L D. 12.3 L

[Terjawab] Melted rock can ooze out from below Earth's surface through a crack in the crust called a ______?

[Terjawab] Lead(II) sulfate is precipitated from a mixture of water solutions of potassium sulfate and lead(II) nitrate. Write the word equation and balanced chemical equation for this double replacement reaction. Word Equation: Potassium sulfate + Lead(II) nitrate → Potassium nitrate + Lead(II) sulfate Balanced Chemical Equation: [tex] \text{K}_2\text{SO}_4(aq) + \text{Pb(NO}_3)_2(aq) \rightarrow 2\text{KNO}_3(aq) + \text{PbSO}_4(s) [/tex]

[Terjawab] A solution has a pOH of 8.7. What is the pH of the solution? Is the solution acidic, basic, or neutral?