Why is bronze preferred in making statue

Which of the following compounds is an Arrhenius base in water? H2SO4 C6H12O6 HOClO2 NH3

Will heating generally increase or decrease the amount of solid solute that will dissolve in the solution? A. Increase B. Decrease

What kind of shampoo should be used on hair that has been chemically straightned? 1. Clairifying 2. Acid Balancing 3. Medicated 4. Dry Shampoo

How can you determine if an unknown substance is a mineral

Which chemical equation represents a precipitation reaction? A. Mg (ClO3) 2 (aq) + 2HCl (aq) → MgCl2 (aq) + 2HClO3 (aq) B. AlBr3 (aq) + 3LiI (aq) → AlI3 (aq) + 3LiBr (aq) C. NH4NO3 (aq) + HBr (aq) → NH4Br (aq) + HNO3 (aq) D.

49.7 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of H2504 in 20.00 mL of water. What is the molarity of the NaOH solution? H2SO4 + 2 NaOH - -> 2H2O + Na2SO4 1) 0.763 M 2) 0.0404 M 3) 1.13 M 4) 0.481 M 5) 0.

Which of the following is true about lonization? The ionic substances donate some of their atoms to the solvent. The covalent substance breaks apart into ions. The ionic substance breaks apart into ions.

Potassium iodide reacts with lead (II) nitrate in this precipitation reaction: 2 KI (aq) + Pb (NO3) 2 (aq) → 2 KNO3 (aq) + PbI2 (s) What minimum volume of 0.200 M potassium iodide solution is required to completely precipitate all of the lead in 155.

Which of the following best describes the valence electrons in a polar covalent bond? O A. The electrons are transferred to the atom with the higher electronegativity. B. The electrons are closer to the atom with the lower electronegativity. C.

Humans are protected from some infections by specialized cells which produce chemicals that