Calculate the mass of Cu (NO3) 2.4H2O required to prepare 100.0 mL of 0.200 M solution.

what might cause the goldfish population to drop if the temperature moves out of its normal range? Name three things

Moles of Zn (NO3) 2 in 131.50g of this substance.

Which of the following is an example of a mixture? A. the atmosphere B. water C. calcium D. carbon dioxide

Which best describes a spontaneous process as it relates to the second law of thermodynamics? It destroys heat. It requires work. It creates energy. It occurs naturally.

What happens when an acid loses an H + ion, according to the Brønsted-Lowry definition of acids and bases? The acid becomes an Arrhenius base. The acid becomes an Arrhenius acid. The acid becomes its conjugate acid.

Why are 3 ammonium groups needed for every 1 nitride ion?

How do you explain the relativity high conductivity of tap water compared to a low or zero conductivity for distilled water

According to Newtons's first law, which characteristic of a moving object would remain constant if there were no other force of acting of it? A. Size B. Mass C. Shape D. Speed

Standard reduction potentials are 1.455 V for the PbO2 (s) / Pb (s) couple, 1.82 V for Co3 (aq) / Co2 (aq), 3.06 V for F2 (g) / HF (aq), 1.07 V for Br2 (l) / Br - (aq), and 1.77 V for H2O2 (aq) / H2O (l).

Which compound is inorganic? a. glucose (c6hl2o6) b. carbon dioxide (co2) c. ethane (c2h6) d. stearic acid (cl8h36o2) ?