Chemistry Spring Final 2017 Study Guide

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same, reactants, products

A chemical equation is balanced when the ______ number of each kind of atom appears in the ___________ and in the _________.

combustion

A hydrocarbon reacting with oxygen is called a _______________ reaction.

O and 0.5

A nonpolar covalent bond is most likely to form between two elements that have a difference in electronegativity values between

Below

An element in the activity series can replace any element _______ it on the list.

precipitate

An insoluble solid produced by a chemical reaction in solution is called a _______________

2C2H6+7O2-----> 4CO2+ 6H2O

Balance the following equation: __C2H6 + __O2 ---->___CO2 + ___H2O

2FeS2+5Cl2------>2FeCl3+2S2Cl2

Balance the following equation: ___FeS2 + ___Cl2 ----> ___FeCl3 + ___S2Cl2

CO2 + H2O

CH4 + O2 --->

Mg3(PO4)2

Consider an aqueous solution of magnesium nitrate added to an aqueous solution of potassium phosphate. What is the formula of the solid formed in the reaction?

absorbed

For an electron in an atom to change from the ground state to an excited state, energy must be _______________

No reaction

For the following reaction, predict if the reaction will occur, if the reaction occurs, predict the products: Au + CaCl2 --->

Not balanced

is the following equation balanced? 2H2 + O2 --> H2O

36.3g of H3PO4

How many grams of H3PO4 are produced when produced when 10 grams of water react with excess of P4O10? Balanced chemical reaction is: P4O10 + 6H2O -----> 4H3PO4

300 g of C6H12O6

How many grams of glucose, C6H12O6, can be burned biologically when 10 mol of oxygen is available? Balanced chemical reaction is: C6H12O6 + 6O2 ---> 6CO2 + 6H2O

6.98 mol

How many mole of silver are in 4.2x10^24 atoms?

1 mol of Al

How many moles of aluminum are needed to react completely with 1.5 mol of FeO? Balanced chemical reaction is: 2Al + 3FeO ----> 3Fe + Al2O3

4 electrons

In a double bond, two atoms share a total of

noble gasses

In the compound, NaCl, the sodium ion loses one electron and the fluorine atom gains one electron to form ions that have electron configurations similar to

Synthesis

In what kind of reaction do 2 or more substances combine to form a new compound?

Decomposition

In what kind of reaction does a single compound produce 2 or more simpler substances?

Soluble

Is the following compound soluble in water? MnSO4

Soluble

Is the following compound soluble in water? Na3PO4

Mg2+

Magnesium, when following the octet rule, would form what ion?

electrons that are free to flow from one atom to atom

Metals conduct electricity because they have

Copper(111) dichromate

Name the following compound; Cu2(Cr2O7)3

Vanadium(V1) Sulfide

Name the following compound; VS3

O2-

Oxygen, when following the octet rule, would form what ion?

BaSO4 + NaCl

Predict the products for the following if the reaction occurs, if the reaction does not occur, write "no reaction." BaCl2 + Na2SO4 -->

Activity Series

The _______________ ________ is used to predict whether a certain chemical reaction will occur.

covalent bond

The chemical bond formed when 2 atoms share one or more pairs of electrons is a

...One shared bond, each atom has 3 lone pairs and a complete octet.

The correct lewis structure for a molecule of F2 is

...A triple bond between the 2 carbons, a bond between a carbon and a hydrogen, a bond between a carbon and a chlorine, and chlorine has 3 lone pairs of electrons.

The correct lewis structure for a molecule of the compound: HC2Cl is

...3 single valence electrons

The correct lewis structure for the boron atom is

whole-number ratio

The equation is balanced by adjusting coefficents to the smallest ________- _________ ___________.

Single Displacement Reaction

The following reaction: 2KI + Cl2 --> 2KCl + I2 is a _________ ______________ ______________

coefficients

To balance an equation, it is necessary to adjust the _______________

add one electron to the total number

To draw the lewis structure for a polyatomic ion like (NO3)-, would have to

2,1,2,1

What coefficients balance the following equation? Al + Fe2O3 --> Fe + Al2O3

violet

What color of light has the shortest wavelength / greatest energy in the visible?

diphosphorous pentasulfide

What is the correct name for P2S5?

BeCO3

What is the formula for beryllium carbonate?

Mg3N2

What is the formula for magnesium nitrite?

28g

What is the mass in grams of 2 moles of nitrogen?

344 g/mol

What is the molar mass of Co(PO4)3

trisulfur octabromide

What is the name for S3Br8

Lithium Chloride

What is the name of the ionic compound formed from lithium and chlorine?

metals and nonmetals

What type of elements make up an ionic compound?

covalent

When 2 nonmetals react, they form a ______________ compound.

Line-emission spectra

When the light from excited atoms of an element is passed through a prism, the distinct colored lines produced are called

Ca(NO3)2

Write the formula for the following pair of ions: Ca2+, NO3-


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