The electrolyte in a typical wet storage cell or battery is a mixture of water and A. lead. B. ammonium chloride. C. sulfuric acid. D. zinc.

If bacteria tried to "friend" you one Facebook, why would you accept? Why would you block? LOL

How does tye transfer of energy affect physical and chemical properties of matter

Dissolving NaOH (s) in water is exothermic. Two calorimetry experiments are set up. Experiment 1: 2 g of NaOH are dissolved in 100 mL of water Experiment 2: 4 g of NaOH are dissolved in 200 mL of water Which of the following statements is true? a.

During the water cycle, the sun's energy evaporates water from the surface of Earth. This water is the source of A) respiration. B) transpiration. C) precipitation. D) ozone depletion.

Which information is revealed in a chemical formula? A. full names of the elements and their atomic weight B. symbols of elements and their proportional amount C. names of elements in the compound and their atomic number D.

A pair of ice tongs is a double: first-class lever second-class lever third-class lever

On a ceiling, there were tiny droplets of blood less than 1 mm in diameter. the victim was lying in a pool of blood. no other marks were found on the other walls.

How would you prepare 70.0 ml of 0.200 m hno3 from a stock solution of 5.00 m hno3?

How do chemists know that an oxygen molecule have unpaired electrons?

How is firelight produced