DIVE Quarterly Exam 2 Review

1 atm of pressure = 14.9 mm Hg

Name the following compounds and / or write the chemical formula. KMnO₄

4 moles of Cl gas were collected @ a Temp of 25 C & Pressure of 102K Pa. What was the Vol, in m³? R = 8.31 m³

Determine the electron dot structure of carbon dioxide.

For Boyle's law, there is direct relationship between pressure and volume.

The element symbol for aluminum is _______.

Empirical formulas give you the simplest whole # ratio of atoms in a compound.

What is the percent by mass of sodium in sodium chloride? Na=22.99 g/mole, Cl=35.45 g/mole.

Standard temperature is 273 Kelvins.

Balance this equation: NOBr -----> NO + Br₂

What bonds usually form between elements with very different electronegativities?

The symbol used to indicate heat is being added to a reaction is _____.

Diffusion is the movement of particles from a region of high concentration towards a region of lower concentration.

The symbol that is used to indicate a liquid is ______.

Balance this equation: O₂+ C₈H₁₈ ------> CO₂ + H₂O

(N=14g/mole, H=1g/mole) 2NH₃-----> N2 + 3H_2. How many moles of nitrogen gas from when 2 mole of ammonia are reacted?

Use your oxidation # rules to determine the oxidation number of the bolded element in the following compounds. CuO

Use your oxidation # rules to determine the oxidation number of the bolded element in the following compounds. CuSO₄

Gas occupied 150.3 ml, @ a Temp of 200K. If the pressure remained constant, & the vol doubled, what's the new Temp?

The analysis of an unknown acid revealed a % composition of 3.06% H, 31.63% P, and 65.31% O. Find the empirical formula

Use your oxidation # rules to determine the oxidation number of the bolded element in the following compounds. NH₃

K is the element symbol for ____________

The symbol that is used to indicate an ion dissolved in water is _____.

For Charle's law, there is a direct relationship between temperature and volume.

What is the gram formula mass for Potassium Chlorate, KClO₃? K = 39.1 g/mole, Cl = 35.4 g/mole, O = 16 g/mole.

Name the following compounds and / or write the chemical formula. Ammonium nitrate

Electrons are ______ in an ionic bond.

The symbol that is used to indicate a gaseous reactant or product is ______.

Determine the # of electron regions, # of bonds, and the geometry shape of carbon dioxide.

Electrons are ______ in a covalent bond.

(N=14g/mole, H=1g/mole) 2NH₃-----> N2 + 3H_2. How many grams of nitrogen from when 54 grams of ammonia are reacted?

Use your oxidation # rules to determine the oxidation number of the bolded element in the following compounds. MnO₄ -

The kinetic theory states that particles are in constant motion.

How many moles does 100 grams of water equal? H = 1 g/mole, O = 16 g/mole.

(N=14g/mole, H=1g/mole) 2NH₃-----> N2 + 3H_2. How many moles of nitrogen gas from when 67.7 g. of ammonia are reacted?

______ molecules usually contain covalent bonds.

At STP conditions, one mole of any gas occupies 22.4 liters.

Standard pressure is 760 mm Hg

Avogadro's number equals _______ things.

______ bonds usually form between elements of similar, high electronegativity.

Name the following compounds and / or write the chemical formula. NaCl

A substance is considered solid if particles can diffuse through it.

The symbol used to separate reactants from reactants and products from products is _____.

Name the following compounds and / or write the chemical formula. Potassium Chloride

Use your oxidation # rules to determine the oxidation number of the bolded element in the following compounds. Fe(OH)₂

Pressure is the amount of mass exerted on an area.

Covalent bonds form solids with ______ melting points.

In a substance containing ______ bonds, electrons are free to move.

The element symbol for silver is ____

Dalton's law states that the tot press. that a mix of gases exerts on a surface is = to the sum of their partial press.