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Chemistry: Final Exam Review Quiz
Increasing temperature causes the kinetic energy to increase. Thus, molecules are moving faster and colliding more frequently. This causes the rate of reaction to incrase.
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How does increasing temperature affect the rate of reaction?
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Given the reaction at equilibrium:1/2 N2 (g) +1/2 O2 (g) + 21.6 kcal ---> NO (g) What will happen if temperature is increased?
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How does surface area influence reaction rate?
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How does a catalyst speed up a chemical reaction?
.. : Ne : ..
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What is the volume occupied by 1 mole of a gas at STP?
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Draw the Lewis Dot Structure for an atom of Neon in its ground state.
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Draw the Lewis Dot Structure for Fluorine.
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Draw the Lewis Dot Structure for Carbon.
Base (drain cleaners are bases).
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Define activation energy.
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Soap; acid or base?
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Define neutralization.
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Ammonia, acid or base?
Base
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What is a hydrogen ion acceptor called?
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Which of the following has the greatest freedom of movement: solids, liquids, gases?
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pH > 7 ; acid, base, or neutral?
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Feels slippery; acid or base?
7
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How many atoms are in 1 mole?
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How many valence electrons are in an atom of chlorine?
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How does surface area influence reaction rate?
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How does a catalyst speed up a chemical reaction?
Absorbed.
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Is energy absorbed or released in an endothermic reaction?
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Equal volumes of gases at STP have equal _____.
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What is a hydrogen ion acceptor called?
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What is a hydrogen ion donor called?
Increasing temperature means heat is being added more to the left side (think mud slide). The reaction will shift right to form more NO.
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If I decrease the concentration of reactant, what happens to the rate of reaction?
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How does surface area influence reaction rate?
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Given the reaction at equilibrium:1/2 N2 (g) +1/2 O2 (g) + 21.6 kcal ---> NO (g) What will happen if temperature is increased?
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How does increasing temperature affect the rate of reaction?
Exothermic; heat is being given off.
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What is the sign of delta H for an exothermic reaction?
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Is fusion an endothermic or exothermic process?
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When you touch a flask and it feels hot, is this an endothermic or exothermic process?
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The monomers that make up proteins are what?
. . C . .
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Balance the equation:H2 + O2 -----> H20
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Find the molar mass of Al2(SO4)3
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Draw the Lewis Dot Structure for an atom of Neon in its ground state.
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Draw the Lewis Dot Structure for Carbon.
Weak acids dissociate partially. Strong acids and bases dissociate (break apart) completely in water.
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If I decrease the concentration of reactant, what happens to the rate of reaction?
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How does a catalyst speed up a chemical reaction?
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You have an acid that dissociates partially in solution. Is this a strong or weak acid?
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Identify the following as a metal, semimetal, transition metal, or nonmetal:H, C, K, Fe, Si
Gases
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Which of the following has the greatest freedom of movement: solids, liquids, gases?
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Tastes bitter; acid or base?
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Equal volumes of gases at STP have equal _____.
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Which of the following will not conduct electricity when dissolved in water: NaCl, NaOH, HCl, C6H12O6
Exothermic reactions release energy. The sign of delta H is negative.
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What is the volume occupied by 1 mole of a gas at STP?
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What is the sign of delta H for an exothermic reaction?
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When you touch a flask and it feels hot, is this an endothermic or exothermic process?
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What is the symbol for a beta particle?
H - nonmetalC - nonmetalK - metalFe - transition metalSi - semimetal
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Identify the following as a metal, semimetal, transition metal, or nonmetal:H, C, K, Fe, Si
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What is the volume occupied by 1 mole of a gas at STP?
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Define specific heat capacity.
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When you touch a flask and it feels hot, is this an endothermic or exothermic process?
1 mole = 6.02 x 10^23 atoms/molecules
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q=mc(delta)T ; What does "c" stand for?
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How many atoms are in 1 mole?
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Balance the equation:C3H8 + O2 ---> CO2 + H2O
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What is 25 degrees Celsius in Kelvins?
342 g/mol
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What is the symbol for a beta particle?
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Draw the Lewis Dot Structure for Carbon.
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What is a hydrogen ion donor called?
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Find the molar mass of Al2(SO4)3
141.4 g CO2
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Draw the Lewis Dot Structure for an atom of Neon in its ground state.
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C2H4 + 3 O2 ----> 2 CO2 + 2 H2OIf you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced?
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Draw the Lewis Dot Structure for Carbon.
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Mg + 2 HNO3 ---> Mg(NO3)2 + H2If I start this reaction with 40.0 grams of magnesium and an excess of nitric acid (HNO3), how many grams of hydrogen gas will I produce?
Base (tastes bitter)
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Lemonade; acid or base?
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Define Reaction Rate
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Soap; acid or base?
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Feels slippery; acid or base?
Acid.
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Tastes sour; acid or base?
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Tastes bitter; acid or base?
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Equal volumes of gases at STP have equal _____.
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What is a hydrogen ion acceptor called?
2 H2 + O2 ----> 2 H20
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What is the temperature at absolute zero?
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Draw the Lewis Dot Structure for Fluorine.
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Balance the equation:H2 + O2 -----> H20
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Balance the equation:C3H8 + O2 ---> CO2 + H2O
The decrease in concentration of reactants or the increase in concentration of products with time.
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Define neutralization.
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Define solvent.
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Define activation energy.
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Define Reaction Rate
Decreasing concentration leads to less reactants available for collision. Therefore, reaction rate decreases.
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If I decrease the concentration of reactant, what happens to the rate of reaction?
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How does a catalyst speed up a chemical reaction?
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Given the reaction at equilibrium:1/2 N2 (g) +1/2 O2 (g) + 21.6 kcal ---> NO (g) What will happen if temperature is increased?
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You have an acid that dissociates partially in solution. Is this a strong or weak acid?
4 He 2
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Define equilibrium.
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What is the sign of delta H for an exothermic reaction?
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What is the symbol for an alpha particle?
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What is the temperature at absolute zero?
. : F : ..
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Balance the equation:H2 + O2 -----> H20
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Find the molar mass of Al2(SO4)3
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Draw the Lewis Dot Structure for Carbon.
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Draw the Lewis Dot Structure for Fluorine.
The part of the solution in less amount.
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Define solute.
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Define specific heat capacity.
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Ammonia, acid or base?
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Define STP.
Specific heat capacity (J / g degrees C)
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What is 25 degrees Celsius in Kelvins?
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q=mc(delta)T ; What does "q" stand for?
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How many atoms are in 1 mole?
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q=mc(delta)T ; What does "c" stand for?
Pressure = 1 atm or 101.3 kPaTemperature = 0 degrees Celsius or 273 K
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Define STP.
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Define neutralization.
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Define solute.
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Define specific heat capacity.
By increasing the surface area of reactant molecules, we are increasing the space or point of contact that these molecules have available to interact. This causes an increase in the rate of reaction.
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How does increasing temperature affect the rate of reaction?
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How does a catalyst speed up a chemical reaction?
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If I decrease the concentration of reactant, what happens to the rate of reaction?
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How does surface area influence reaction rate?
C6H12O6 is a sugar that is covalently bonded. It does not conduct electricity. NaCl is a salt and an electrolyte (conducts electricity).NaOH is a strong base and therefore, strong electrolyte.HCl is a strong acid and strong electrolyte.*All salts, acids, and bases will conduct electricity.
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Which of the following will not conduct electricity when dissolved in water: NaCl, NaOH, HCl, C6H12O6
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Which of the following has the greatest freedom of movement: solids, liquids, gases?
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What is the sign of delta H for an exothermic reaction?
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When you touch a flask and it feels hot, is this an endothermic or exothermic process?
The part of the solution in greater amount. (HINT: solvent is a bigger word than solute)
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Define Reaction Rate
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Define specific heat capacity.
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Define solvent.
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Define solute.
Acid (tastes sour)
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Ammonia, acid or base?
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Define Reaction Rate
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Lemonade; acid or base?
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pH < 7 ; acid, base, or neutral?
3.3 g H2
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Given the reaction at equilibrium:1/2 N2 (g) +1/2 O2 (g) + 21.6 kcal ---> NO (g) What will happen if temperature is increased?
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C2H4 + 3 O2 ----> 2 CO2 + 2 H2OIf you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced?
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What is the symbol for a beta particle?
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Mg + 2 HNO3 ---> Mg(NO3)2 + H2If I start this reaction with 40.0 grams of magnesium and an excess of nitric acid (HNO3), how many grams of hydrogen gas will I produce?
NO! They have a full octet of electrons. They do not want to react with anything.
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What causes gas pressure?
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Define specific heat capacity.
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Define Reaction Rate
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Are noble gases reactive?
Going from liquid ---> solid. This is exothermic.
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Is fusion an endothermic or exothermic process?
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Define activation energy.
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Is solidification endothermic or exothermic?
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Is condensation an endothermic or exothermic process?
0 K (all molecular motion stops)
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What is the temperature at absolute zero?
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The monomers that make up proteins are what?
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What is the symbol for a beta particle?
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What is the volume occupied by 1 mole of a gas at STP?
The amount of heat required to raise 1g of a substance to 1 degrees Celsius.
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Define solute.
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Define STP.
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Define specific heat capacity.
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Define solvent.
Going from gas ---> liquid. This is exothermic.
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Is condensation an endothermic or exothermic process?
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Is vaporization endothermic or exothermic?
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Is fusion an endothermic or exothermic process?
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q=mc(delta)T ; What does "c" stand for?
Acid
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pH < 7 ; acid, base, or neutral?
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Tastes bitter; acid or base?
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What is a hydrogen ion donor called?
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Tastes sour; acid or base?
(Kelvin = Celsius + 273)Answer: 298K
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What is a hydrogen ion donor called?
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What is the temperature at absolute zero?
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What is a hydrogen ion acceptor called?
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What is 25 degrees Celsius in Kelvins?
A base.
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What is the symbol for a beta particle?
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What is 25 degrees Celsius in Kelvins?
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Tastes bitter; acid or base?
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What is a hydrogen ion acceptor called?
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