Practice Test: Chemical Reactions. _ 1. Which of the following is a physical
change? A. cooking an egg. B. evaporating water. C. burning gasoline. - 2. Which
of ...
The only sure evidence for a chemical reaction is a. the formation of a gas. b.
changes in properties. c. the production of one or more new substances. ____ 2.
NAME K PERIOD DATE. CHEMISTRY _ Practice Test e Chemical Reactions.
Write balanced chemical equations for each of the following reactions (no word ...
Unit 3 Test - Quantities iri Chemical Reactions ... A sample of benzene, CGHG,
contains 3.0 x 1023 molecules of benzene. How many atoms are in the sample?
Classifying and Balancing Equations. Name. Multiple Choice. Date. Per.
PRACTICE TEST. _____1. A chemical reaction is a process in which a. products
...
reactions happen around us all the time and even in our ... Note the changes in
the test tube carefully. Fig. ... Let us discuss some more examples of combination
...
S = Synthesis D = Decomposition SR = Single Replacement DR = Double ... not
already completed the Balancing Equations worksheet on my website, you can.
Enthalpy of formation and absolute entropy . .... A chemical reaction process is specified by a so-called stoichiometric equation for a given .... reaction uphill against its affinity, it is necessary that the activation energy for the reverse downhi
distribution as ''nano test-tubes'' to constrain a chemical reaction and create a ... optimized procedure, where the pressure of the supercritical cell was cycled ...
The Organic Reaction. 2.1. Chemical Reaction Notation: Equilibrium Arrows.
Reactants and Products. 2.2. Mechanisms of Organic Reactions: The Arrow ...
Chemical Reactions - 6.2 Review and Reinforce. Describing ... [Til/9. pg. 5. Use
the principle of conservationo matter to explain why the eq at'on in ques'on4i ...
details the manner in which large crystals can be produced from a variety of fairly common substances. You will ...
Example: For the double displacement reaction of lead (II) nitrate reacting .... The
reverse of a synthesis reaction is Decomposition. ... Some synthesis and
decomposition reactions are redox. All single replacement and combustion
reactions ...
Directions: Balance the following chemical reactions using the given information.
In addition, classify each chemical reaction. Answers appear immediately
following the problems. 1. ... Classification: Single Replacement. 6. Calcium
hydroxide ...
operated near equilibrium the resulting system is able to “ratchet” chemical con—
..... W.J. Moore, Physical Chemistry, (Longman, London, 1972), 5th edition.
Exercise 4: Chemical Reactions. 1. ... What is the equilibrium constant for the
formation of silicon dioxide at ... What is the form of the rate law based on this
data?
Section ______. Chemical Reactions: Soap Making. Purpose: To understand
why soap is useful in cleaning and understand the chemistry behind the making
of ...
Jan 8, 2014 ... atoms in chemical reactions leads to the principle of the conservation of matter.
○ Homework: ○ Types of Chemical. Reactions Worksheet.
Nonmetal atoms are likely to gain electrons from other atoms to their outer electron shells ...... gravity caused the ap
3- An atom gains one electron or more during the chemical reactions. ...... The galaxy that our solar system belongs to
CHEQ 1094 Oxidation/Reduction Reactions Worksheet. Part I: Complete and
balance the following equations. If no reaction occurs, write “N.R.”. Clearly
indicate ...
Molecular Mechanics for Chemical Reactions: A Standard Strategy for Using. Multiconfiguration Molecular Mechanics for Variational Transition State Theory with.
Feb 4, 2003 - melting, and other changes of physical state; breaking or deformation of .... breaking glass and the falling stone, there were large proportions of ...
Chemical Reactions. Name: Types of Chemical Reactions ... Practice Problems:
Provide a completed word and full balanced chemical equation for each ...
Chemical Reactions Practice Test multiple choice – please use capital letters.
_____1. Neon has an atomic number of 10 and calcium has an atomic number of
...
Name:___________________________________
Period;)__________
Chemical Reactions Practice Test multiple choice – please use capital letters _____1. Neon has an atomic number of 10 and calcium has an atomic number of 20. Compared to a mole of neon, a mole of calcium has a) twice as many atoms b) the same number of atoms c) half the number of atoms _____2. What unit allows chemists to compare one chemical to another? a) amu b) kilograms c) atomic weights d) moles ______3. The coefficients from the balanced equation represent a) mole ratios b) masses c) molar masses _______4. In a chemical equation the symbol (aq) means a. b. c. d.
water dissolved in water an acid insoluble
_______5. The tendancy for a replacement reaction to occur increases as the a. b. c. d.
temperature increases valence electrons are used up interval between the two similar elements increases on the activity series interval between the two similar elements decreases on the activity series
_______6. The production of a slightly soluble solid compound in a double displacement reaction results in the formation of a a. b. c. d.
gas precipitate combustion reaction halogen
Name:___________________________________
Period;)__________
______7. The coefficients tin a chemical equation a. b. c. d.
indicate the number of moles that react show the number of g rams of each substance that react are the mo;lar masses of the substances that react show the valence electrons for each atom
______8. If metal X is lower than metal Y on the activity series, then a. b. c. d.
X will replace ions of Y in solution Y will replace ions of X in solution Y will form oxides only indirectly X will react with cold water
______9. To balance a chemical equation it is permissable to adjust the a. subscripts b. coefficients c. compound formulas d number of products PART 2
PART 3 *Use the activity series to predict whether or not the following will occur 1. Platinum + H2O (g) --------->
Yes
2. Calcium fluoride + chlorine ---->
Yes
No No
3. HCl + NaOH --------->
Yes
No
4. Cobalt + HNO3 ------->
Yes
No
5. Hg + O2 ------->
Yes
No
6. Mn + SrS ------->
Yes
No
7. Cu + AgNO3------->
Yes
No
_________________________________________________________________ PART 4 Integrating Skills FOR EACH PROBLEM: step #1* Predict products step #2* Use oxidation numbers to determine formulas step # 3* Write balanced equations step #4* Classify reaction type on the line provided 1. Lithium + Water ------->
__________
2. Zinc + Hydrochloric Acid ------->
__________
3. C2H2 + Oxygen ------>
__________
Name:___________________________________
Period;)__________
4 Calcium Chloride + Fluorine ----->
__________
5. Lithium iodide + iron ----->
__________
SHOW ALL WORK FOR CREDit ___ C2H6 + ___ O2 -----
+
1. If 3408 grams of C2H6 are reacted and 5301 grams of water are actually produced, what is the percent yield?
____Mg2Si + __H2O ------
+
2. If 36 grams of water and 57 grams of M2Si are reacted a) how many grams of Silcon hydride will be produced?
b) What is the limiting reactant? c) How many grams of the excess reactant will be leftover?
d) How many molecules of Mg(OH)2 will be produced?
