Chemistry Review Jeopardy

Thermodynamics

100

What direction does heat transfer

From hot to cold

200

A chemical reaction causes heat to be released, Would this be an endothermic or exothermic reaction

Exothermic

300

What is specific heat capacity

The amount of energy needed to raise the temperature of a specific mass of a substance.

400

The bond energies of reactants is 1300kJ/mol and the products have a bond energy of 700kJ/mol.  Is this an exothermic or endothermic reaction?

Exothermic

500

How much energy is needed to raise 10 g of copper by 5 degrees Celsius? (Specific heat of copper is 0.385 J/mol) q=sm^T

19.25 Joules

Atomic structure

100

This subatomic particle has a positive charge and is found in the nucleus of an atom.

proton 

200

This particle has no electric charge and is also located in the nucleus of an atom.

neutron 

300

The mass number of an atom is the sum of these two types of particles.

proton and neutron 

400

The name of a charged particle with different numbers of protons and electrons.

Ions

500

This is the smallest unit of an element that retains all the properties of that element.

atom 

Atomic Formulas and Names

100

Name the compound made from chlorine and sodium.

Sodium Chloride

200

The balanced formula to describe a compound made between potassium and nitrogen. (ie. H₂O is "H" two Oh.)

K₃N

300

Name of this compound:

(NH₄)₂O

Ammonium oxide.

400

The formula of the compound made between magnesium and sulfate.

MgSO₄

500

Total numbers of protons and electrons in the polyatomic ion NH₄⁺

Protons=11

Electrons= 10

Nuclear

100

What changes during a nuclear reaction

The number of protons and/or electrons in the nucleus

200

Which type of nuclear decay results in an element with more protons?

Beta

300

What type of spontaneous decay can be stopped by a sheet of paper?

Alpha

400

How old is a radioactive sample with a half-life of 1 year be if all but 1/8th of it has decayed?

3 years

500

Write an equation showing the beta decay of Carbon-14

¹⁴₆C --> ¹⁴₇N + ⁰_-1e

Chemical Reactions

100

What changes during a chemical reacion

The bonds connecting the atoms

200

What type of reaction would this be?

A + B --> AB

Synthesis Reaction

300

What is mathematically wrong with this chemical reaction equation?

3K₂O + N₂ --> 2K₃N + O₂

It is unbalanced.  3 Oxygens on reactant side and 2 on Product side

400

What would the products of this double replacement reaction be?

MgCl₂ + Ca₃N₂ --> 

Mg₃N₂ + CaCl₂

500

What is the balanced chemical reaction for the burning of butane (C₂H₆) in the presence of oxygen?

2C₂H₆ + 7O₂ --> 4CO₂ + 6H₂O