If a saturated solution of potassium chloride is cooled from 80℃ to 50℃, how much precipate is formed

Balance the following equation: C + O2 → CO2 * a. 2C + 2O2 → CO2 b. C2 + O2 → 2CO2 c. 2C + 2O2 → 2CO2 d. Already balanced

Name the 4 spheres of the earth

Which quantity represented by the symbol Ne

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. Subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond.

What is the molarity of a solution that has 548 grams of HCl dissolved in 1.50 l water?

Students measuring the mass of a rock record 6.759 g, 6.786 g, 6.812 g, and 6.779 g. Which other measurement of the block's mass would be most precise? A. 6.702 g B. 6.781 g C. 6.605 g D. 6.858 g

What two elements make up dihydrogen monoxide?

What did scientists observe using the earliest microscopes

Which statement describes the redox reaction that occurs when an object is electroplated? A. It is spontaneous and requires an electric current. B. It is spontaneous and produces an electric current. C.

How are electromagnetic different than all other waves