How many grams of oxygen are formed when 8.20 moles of KOH are formed? 4 KO (s) + 2 H2O (l) → 4 KOH (s) + O2 (g)

You set up a lemonade stand to raise money for your soccer tournament. You plan to sell cups of lemonade for $1.50/each. Your recipe calls for 8 lemons, 2 cups of sugar and 8 cups of water to yield 10 cups of lemonade.

What mineral mostly form through chemical precipitation?

O átomo de Rutherford (1911) foi comparado ao sistema planetário (o núcleo atômico representa o sol e a elestrosfera, os planetas). A Eletrosfera é a região do átomo que: a) Contém as partículas de carga elétrica negativa.

Domed pistons are typically found with what type of combustion chamber? A. the Overhead cam B. Wedge C. Pentroof D. Hemi

A neutral boron atom has 6 neutrons and 5 electrons. How many protons does it have? A. 4 B. 5 C. 6 D. 7

A hydrate is a compound with water molecules incorporated into its crystal structure. In an experiment to find the percentage of water in the compound, the following data was recorded.

What do you get when you mix dog breeds such as a bulldog and a shih tzu?

How does temperature change with depth in the Earth's crust?

Which is the best metal to use in an alloy to increase its electrical conductivity? Aluminum (Al) Silver (Ag) Zinc (Zn) Antimony (sb)

Which of he following is not a part of the peer review process or its result? A. Allowing scientists to share ideas through published work B. Making sure that a piece of work is correct and includes bias C.