Study these practice questions for your exam!! Final Exam Review Study these practice questions for your exam!!

A chemical bond resulting from an attraction between a cation and an anion is called…. Covalent bond Ionic bond Organic bond Acidic bond

VSEPR explains Octet rule. Metallic bonding. Shapes of molecules. Traits of metals.

What type of bond involves sharing electrons? Covalent bond Ionic bond Organic bond Acidic bond

What is the overall charge of any compound? positive negative neutral

Which molecule is tetrahedral? H2O CO2 SO3

Which is an acid? HI C9H20 CsCN SO3

How many valence electrons does aluminum have? 3 13 26.98 41

What is the charge of lithium ion? +1 -1 +3 -3

Which element is oxidized in the following reaction? 2 HCl + Zn  ZnCl2 + H2 Hydrogen Zinc Zinc chloride Chloride

Molar mass is calculated from an experiment. the coefficients of an equation. the formula and periodic table.

Actual yield is determined by experimentation. guessing. calculations. math formulas.

What is the pH of a neutral solution? 1 7 14

What is the empirical formula of P4O10?

Sodas have a pH of 4. They are Acidic. Basic. Neutral.

What is the element symbol for sodium? Na

What is the molar mass of calcium? 20.0 g/mol 40.08 g/mol 12.01 g/mol 2 g/mol

What is the universal solvent? salt oxygen water molarity

How many shared pairs of electrons are in the diagram? 3 2 6 5

Acids react with bases to produce… Water and hydrogen gas Bases and acids. Salt and water Calcium

Which of the following is a noble gas? Neon Hydrogen Titanium Calcium

Sugar water is a(n) electrolyte. non-electrolyte.

Salt water is a(n) electrolyte. non-electrolyte.

Acids taste… Sour. Bitter. Sweet. Salty.

Which diagram represents water vapor?

What can be added to a solution to make the solute dissolve easier? heat ice cubes more solute more water

The table shows the specific heat capacity of four substances. Substances Sp. Ht Cap (J/g0C) Aluminum 0.900 Glass 0.500 Carbon dioxide 0.843 Water 4.18 Whish substance will require the least amount of energy to raise its temperature? Aluminum Glass Carbon dioxide Water

A process is endothermic if… The temperature increases. The temperature decreases. The solution turns red. The solution turns blue.

What is the empirical formula? CH2 CH3 C5H10 C4H10

What are the products of the reaction? NaOH + H3PO4  __?__ + __?__ Sodium hydroxide and hydrogen phosphate Phosphoric acid and water Sodium phosphate and water Sodium and phosphorus.

When the following equation is balanced, what is the coefficient of aluminum phosphate, AlPO4? __ Al(NO3)3 + __ Ca3(PO4)2  __ AlPO4 + __ Ca(NO3)2 1 2 3 4

What does the (s) stand for in chemical equation? insoluble (solid) soluble (aqueous) dissolved in water gas

Acid-base Precipitation Redox What type of reaction is 2Ca(OH)2(s) + 2HCl(aq)  CaCl 2 (aq) + H2O(l) Acid-base Precipitation Redox

Acid-base Precipitation Redox What type of reaction occurs between sulfuric acid and silver nitrate? Acid-base Precipitation Redox

What is the formula for carbon monoxide? CO CO2 C2O2 CaO

What is the formula for lithium oxide? LiO Li2O LiO2 Li2O2

If temperature increases, volume Decreases.

What is the standard volume of any gas at STP?

The volume would increase. The volume would decrease. What would happen to a balloon placed in the freezer? The volume would increase. The volume would decrease. The volume remains constant. It depends on the gas inside the balloon.

Zinc (II) chloride (II) Zinc dichloride What is the name of ZnCl2? Zinc chloride Zinc (II) chloride Zinc (II) chloride (II) Zinc dichloride

1.0 moles 2.0 moles 4.0 moles 8.0 moles How many moles of H2 are produced when 4.0 moles of sodium reacts? 2Na + 2H2O  2NaOH + H2 1.0 moles 2.0 moles 4.0 moles 8.0 moles

What is the pH of a solution with a pOH of 9? 4 5 14

A mole is… 6.02 x 1023 6.02 12.01 14

The volume of a gas is 5. 0L. If the temperature is increased from 5 The volume of a gas is 5.0L. If the temperature is increased from 5.0C to 10.0 C, what is the new volume? 2.5 L 5.1 L 10. L 20. L

increases decreases remains constant What happens to volume of a gas during compression? increases decreases remains constant

Physical and chemical changes Boiling point, freezing point, surface tension, density, and compressibility are… Physical changes Chemical changes Physical and chemical changes

If H is negative, the reaction is Endothermic. Exothermic.