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Changes of which of the following do not shift the equilibrium of a chemical system?

pressure

time

temperature

concentration

A substance is said to be what when it when it is able to remove sufficient water from the air to dissolve completely and form a solution

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Hydrogen bonding is a type of (1) strong covalent bond (2) weak ionic bond (3) strong intermolecular force (4) weak intermolecular force

Which group of elements on the periodic table forms covalent compounds with other nonmetals

9. The molar mass of Na2SO4 is 142.1 g/mol. Calculate the number of moles in 10.0 g of Na2SO4. • 7 x 6.02 x 10^23 x 142.1 g/mol • 10.0 g / 142.1 g/mol • 7 x 10.0g/142.1 g/mol • 10.0g x 142.1 g/mol

Name the following compound HClO

Aluminum and Oxygen gas will react to form Aluminum Oxide (Al2O3). When the equation is balanced, How many moles of Al2O3 are formed when a mixture of 0.36 moles Al is ignited? a. 0.12 b. 0.18 c. 0.28 d. 0.46

Which state of the West produces the widest varieties of fruits, vegetables, and nuts? A) California B) Colorado C) Wyoming D) Alaska

A chemical engineer for a fertilizer company is determining the most efficient way to produce ammonia. the engineer carries out the haber reaction under four different conditions.

What type of Bond exist in a molecule of hydrogen Iodide