Chemistry Final Review 2016

A piece of silver releases 202.8 J of heat while cooling 65.0 °C. What is the mass of the sample?  Silver has a specific heat of 0.240 J/g °C.  13.0 g

What is the specific heat of gold if a 38.0 gram bracelet releases 460.8 Joules of heat energy and the increase in temperature is 94.0 °C?  .129 J/g C

What is the term for the amount of energy absorbed or released in a chemical reaction?  Heat of Reaction

How many joules of heat is needed to heat 68.00 grams of aluminum foil from 55.00 °C to 93.00 °C if aluminum has a specific heat of 0.90 J/g °C?  2326 J

Which unit listed below is used to measure solution concentration in chemistry?

During an ____endothermic___________ reaction, heat content in the surroundings decreases because the reaction absorbs heat energy.

Write the thermochemical equation that shows that the combustion of methane is an exothermic reaction.

What is the molarity of a solution that contains 5.80 grams of nickel (II) nitrate in 500. mL?

As the average kinetic energy increases in a material _thermal ___ energy also increases.

When elements bond together they use energy in the bonding process. What is this energy process called?  chemical energy

Write the neutralization reaction for

H2SO4(aq) +    NaOH(aq) →

How many grams of sodium hydroxide are needed to make 250. mL of a 7.80 M solution?  78 grams  

Students were given four small bottles marked "A," "B," "C," and "D." They were told that each bottle contained one of the following solutions: HNO3, NaOH, AgNO3, and CaCl2. Their assignment was to identify the contents of each bottle. The students tested a small amount of each solution with a piece of blue litmus paper moistened with distilled water. Only solution B turned the blue litmus paper red. Which solution was in the bottle marked "B"?

Students tested an unknown solution with a pH meter. The meter indicated that the solution has a pH of 10.3. Based on this information, what can the students correctly infer about the unknown solution?   It is basic

The reading of a pH meter is a measure of

_______H+_________________ion concentration.

 The base Ba(OH)2 neutralizes the acid H2SO4. Which salt is produced?

Phosphoric acid, H3PO4, is a weak electrolyte because it dissociates _______incompletely___________ in solution.

Which unit listed below is used to measure solution concentration in chemistry?  Molarity

Charles' law describes the relationship between which two quantities?  

The pressure of a sample of dry air is held constant 2.25 atm while the temperature is decreased from 100. °C to 7.0 °C. The original volume of the sample is 43 L. Which of the following is closest to the final volume of the sample?

A sample of methane gas (CH4) with a mass of 58 g is kept in a 1500 mL container at a temperature of 100. °C. What is the pressure of the gas?

The volume of as in a balloon is 1.90 L at 21.0 °C. The balloon is heated, causing it to expand to a volume of 5.70 L. What is the new temperature of the gas inside the balloon?

A student burns 1.50 mol C3H8 according to the following reaction: C3H8 + 5O2  3CO2 + 4H2O.

How many grams of CO2 are produced?

 Solid zinc oxide is added to hydrochloric acid to form zinc chloride in water. How many moles of zinc chloride will be produced when 112 grams of is used?

What is a balanced chemical equation describing the formation of water?

How many molecules are in 2.50 moles of H2O?

How many atoms are present in 179.0 g of iridium?

What is a mole in chemistry terms?

 SI unit for the amount of a substance

What is the molar mass of carbon?

What is the molar mass of KBr?

What is the molar mass of CO2?

How many atoms are in a tetrahedral molecule?  5

What is the molecular shape of a CCl4 molecule? tetrahedral

Draw the electron-dot diagram for Br2(l)?

Draw the Lewis Dot diagram for CH4?

What is the formula for copper (I) oxide?

What is the chemical formula for disulfur decafluoride?

What is the correct formula for mercury (II) chloride?

What is the name of the compound N2O3?

 What is the name of the compound AlPO4?

What is the trend of ionic radius?

What is the correct electron configuration for manganese?

What is the ground state electron configuration for arsenic?

Describe the properties of noble gases.

The number of valence electrons in Group 2 elements is ____2_____.

 As the atomic number on the Periodic Table increases, the number of electrons ___________Increases_________.