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Identify the following as acids, bases, or neutral solutions. A) base B) neutral C) acid 16) has a sour taste 17) has a pH = 4.5 18) turns blue litmus paper red 19) contains more hydronium ions than hydroxide ions 20) H2O 21) [H3O+] = 3.4 x 10-5 M 22) [OH-] = 2.8 x 10-2 M 23) Ca(OH)2 24) pH =9.0 .
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11) How many equivalents are in 0.60 mole of Mg2+? A) 0.60 equivalent B) 0.30 equivalent C) 1.2 equivalents D) 2.0 equivalents E) 1.0 equivalent 12) How many equivalents are in 0.40 mole of K+? A) 0.40 equivalent B) 0.80 equivalent C) 0.20 equivalents D) 2.0 equivalents E) 1.0 equivalent 13) A solution contains 43 mEq/L of of Cl- and 11 mEq/L.
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21) The nuclear symbol that completes the equation is a(n) +  ?  →  A) proton. B) neutron. C) gamma ray. D) beta particle. E) alpha particle. 22) What does the ? represent in the bombardment equation of nitrogen-14?   +  ?  →   +   A) alpha particle B) beta particle C) gamma ray D) proton E) neutron 23) When aluminum-27 is.
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7.2   Bimodal Questions 1) Acetic acid can be classified as a ________. A) gas B) solid C) weak electrolyte D) strong electrolyte E) ionic compound 2) Using a kidney machine to remove waste products from the blood is known as ________. A) osmosis B) osmolysis C) autolysis D) hemolysis E) hemodialysis 3) A ________ will pass through a filter but not a semipermeable.
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31) Normal blood pH is about A) 6.8. B) 7.0. C) 7.2. D) 7.4. E) 7.6. 32) In a buffer system of HF and its salt, NaF, A) the HF neutralizes added acid. B) the HF neutralizes added base. C) the HF is not necessary. D) the F- neutralizes added H2O. E) the F- neutralizes added base. 33) Which of the following.
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31) An imaging technique that detects the energy absorbed by hydrogen atoms in a magnetic field is known as A) positron emission tomography (PET). B) computed tomography (CT). C) magnetic resonance imaging (MRI). D) radioactive tracer study. E) supermagnetic tomography (SMT). 32) The dosage of technetium-99m for myocardial imaging is 280 μCi/kg of body weight.  How.
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11) The process in which a nucleus spontaneously breaks down by emitting radiation is known as A) transformation. B) translation. C) fusion. D) a chain reaction. E) radioactive decay. 12) A nuclear equation is balanced when A) the same elements are found on both sides of the equation. B) the sum of the mass numbers and the sum.
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11) Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A) In acids, [OH-] is greater than [H3O+]. B) In bases, [OH-] = [H3O+]. C) In neutral solutions, [H3O+] = [H2O]. D) In bases, [OH-] is greater than [H3O+]. E) In bases, [OH-] is less than [H3O+]. 12) For Kw, the.
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51) The shape of the boron trifluoride molecule (BF3) is A) linear. B) tetrahedral. C) trigonal pyramidal. D) bent E) trigonal planar. 52) The main type of interaction between molecules of ammonia (NH3) are A) ionic bonds. B) hydrogen bonds. C) polar covalent. D) dipole-dipole attractions. E) dispersion forces. 53) The main type of interaction between molecules of carbon tetrabromide (CBr4) are A).
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6.2   Short Answer Questions 1) Nitrogen makes up about ________ percent of the atmosphere. 2) A barometer is usually filled with ________. 3) One atmosphere is the same as ________ mm Hg. 4) A temperature of 273 °C is the same as ________ K. 5) STP is ________ mm Hg and ________. 6) The pressure unit.
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6.1   Multiple-Choice Questions 1) Which of the following is not part of the kinetic theory of gases? A) A gas is composed of very small particles. B) There is very little empty space in a gas. C) Gas particles move rapidly. D) Gas particles do not attract or repel one another. E) Gas particles move faster.
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9.4   Matching Questions Indicate whether each of the following is characteristic of the fission or fusion process. A) both fission and fusion B) fission C) fusion 1) A large nucleus is split into smaller nuclei. 2) Very high temperatures must be achieved to initiate the reaction. 3) This nuclear process provides the energy of the sun. 4) This.
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  Indicate the type of bonding you would expect between the following elements. A) polar covalent B) nonpolar covalent C) ionic D) none 15) Na and F 16) N and F 17) F and F 18) He and F 19) H and F Match the chemical name with the correct formula. A) MgSO3 B) MgS C) MgSO4 D)Mg(HSO4)2 E) Mg(HSO3)2 20) magnesium sulfate 21) magnesium hydrogen sulfate 22) magnesium.
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21) What is the correct formula for iron (III) sulfide? A) Fe2S2 B) Fe2S C) FeS D) FeS2 E) Fe2S3 22) A(n) ________ is the smallest neutral unit of two or more atoms held together by a covalent bond. A) ionic compound B) nucleus C) molecule D) formula E) unit 23) In a molecule with covalent bonding, A) oppositely charged ions are held.
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9.3   True/False Questions 1) Exposure to radiation is unavoidable because some radioactive elements occur naturally. 2) One symptom of radiation sickness is an increased production of red blood cells. 3) If the half-life of hydrogen-3 is 11.8 years, after two half-lives the radioactivity of a sample will be reduced to one-half of the.
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7.1   Multiple-Choice Questions 1) The O?H bond in water is polar because A) it is an ionic bond. B) oxygen is much more electronegative than hydrogen. C) oxygen occupies more space than hydrogen. D) hydrogen is much more electronegative than oxygen. E) it is a hydrogen bond. 2) A hydrogen bond is A) an attraction between a hydrogen.
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4.3   Matching Questions Match the correct name of the polyatomic ions with the formulas given. A) phosphite B) phosphate C) carbonite D) sulfate E) oxide F) hydroxide G) hydrogen sulfite H) hydrogen carbonate I) hydrogen sulfate J) carbonate K) nitrite L)  nitrate M) sulfite 1) NO3- 2) CO32- 3) SO42- 4) SO32- 5) PO43- 6) NO2- 7) HCO3- 8) HSO4- 9) OH- Give the correct valence for ions of the following elements. A) 1- B) 3+ C).
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  5.1   Multiple-Choice Questions 1) One mole of particles of any substance contains how many particles? A) 106 B) 3 x 10-10 C) 3 x 1010 D) 6.02 x 1023 E) 6.02 x 10-23 2) Avogadro's number is the number of A) particles in 1 mole of a substance. B) amu in 1 mole of a substance. C) grams in 1.
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  9.1   Multiple-Choice Questions 1) What is the nuclear symbol for a radioactive isotope of copper with a mass number of 60? A) B) C) 29Cu D) E) 2) The product from the alpha decay of is ________. A) B) C) D) E) 3) The product from the positron emission of is ________. A).
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5.2   Bimodal Questions 1) In this reaction, what is the correct coefficient for hydrogen gas? ? H2  +  ? O2  →  ? H2O A) 1 B) 2 C) 3 D) 4 E) 5 Barium chloride and sodium sulfate react according to the following equation. BaCl2  +  Na2SO4  →  BaSO4 +  2NaCl Answer the following question(s) about this reaction. 2) How.
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41) When an atom of uranium-235 is bombarded with neutrons, it splits into smaller nuclei and produces a great amount of energy. This nuclear process is called A) fission. B) fusion. C) decomposition. D) chain reaction. E) ionization. 42) In the sun, nuclei of hydrogen combine to form a larger nucleus and release a great amount.
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8.3   Matching Questions Identify each of the following compounds as an acid, a base, or neither. A) acid B) neither C) base 1) HCl 2) NaOH 3) NH3 4) H2SO4 5) KOH 6) NaCl 7) NaNO3 8) H2CO3 In the following solutions, is the [OH-] greater than, less than, or equal to the [H3O+]? A) equal to B) less than C) greater than 9) acid 10) base 11) [H3O+].
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  For the following question(s), consider the following balanced equation. Mg3N2  +  6H2O  →  3 Mg(OH)2  +  2NH3 61) When 36.0 g of H2O react, how many grams of NH3 are produced? A) 34.0 g B) 10.0 g C) 5.67 g D) 11.3 g E) 102 g 62) How many grams of H2O are needed to produce 150 g.
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9.2   Short Answer Questions 1) One symbol for the β particle is β. Another symbol for the same particle is ________. 2) The common unit of radioactivity which is used to measure the biological damage is the ________. 3) The radioisotope used as a diagnostic tool to measure thyroid function is ________. 4) The.
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21) What is the concentration, mass/volume percent (m/v), of a solution prepared from 50. g NaCl and 2.5 L of water? A) 5.0% B) 2.0% C) 0.020% D) 0.050% E) 20.% 22) How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution? A) 800. g B) 0.0050 g C) 8.0 g D) 2.0 g E).
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41) The following reaction is an example of a ________ reaction. C5H8  +  7O2  →  5CO2  +  4H2O A) combination B) single replacement C) combustion D) decomposition E) double replacement 42) The following reaction takes place when an electric current is passed through water.  It is an example of a ________ reaction. 2H2O    2H2  +  O2 A) combination B).
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8.1   Multiple-Choice Questions 1) According to the Arrhenius concept, if HNO3were dissolved in water, it would act as A) a base. B) an acid. C) a source of hydroxide ions. D) a source of H- ions. E) a proton acceptor. 2) The name given to an aqueous solution of HBr is A) hydrogen bromide. B) hydrobromic acid. C) bromic acid. D).
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41) Which of the following polyatomic ions has a 3- ionic charge? A) hydroxide B) nitrate C) sulfate D) phosphate E) hydrogen carbonate 42) What is the formula of the nitride ion? A) N3- B) NO2- C) NO33- D) NO32- E) NO3- 43) The name of the HSO4- ion is A) sulfate. B) hydrogen sulfate. C) sulfite. D) hydrogen sulfite. E) sulfide. 44) What is the formula of.
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31) The name of Al2(SO4)3 is A) aluminum(III) sulfate. B) dialuminum trisulfate. C) dialuminum sulfate. D) dialuminum trisulfide. E) aluminum sulfate. 32) The ability of an atom to attract the shared electrons in a covalent bond is its A) electronegativity. B) bonding ability. C) polarity. D) ionic character. E) nonpolarity. 33) Which of the following substances contains a nonpolar covalent bond? A) H3O B).
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6.4   Matching Questions Indicate the effect of each change upon the pressure of a gas. A) increases B) decreases C) no change 1) decrease in volume (n, T constant) 2) removing some molecules of gas 3) The temperature is doubled. 4) The volume and the Kelvin temperature are reduced by one-half. 5) A leak occurs and gas escapes. .
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Compare the osmotic pressure of these solutions to the osmotic pressure of red blood cells. A) hypertonic B) hypotonic C) isotonic 11) water 12) 0.5% NaCl 13) 0.9% glucose 14) 7% glucose 15) 5% NaCl 16) 5% glucose 17) 0.9% NaCl Indicate whether each of the following compounds dissolves in water to give ions, molecules, or both. A) both B) molecules C) ions 18) NaCl,.
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  For the following question(s), consider the following equation. 2Mg  +  O2  →  2MgO 51) The number of moles of oxygen gas needed to react with 4.0 moles of Mg is A) 1.0 mole. B) 2.0 moles. C) 3.0 moles. D) 4.0 moles. E) 6.0 moles. 52) The number of moles of MgO produced when 0.20 mole of O2.
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11) When beta particles are emitted, the atomic number decreases. 12) The rem is a unit that measures the biological effect of radiation. 13) The Bq is larger than the Ci. 14) After two half-lives, the activity of a sample is four times the initial activity. 15) Nuclear fission as used in nuclear power.
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  Pentane (C5H12) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O) according to the following reaction. Answer the following question(s) about this reaction. C5H12 +  ?  O2  →  ?  CO2  +  ?  H2O 31) What is the coefficient for oxygen in the balanced equation? A) 2 B) 4 C) 5 D) 6 E) 8 32).
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7.4   Matching Questions Identify the term defined in each description. A) hypotonic B) hypertonic C) saturated D) unsaturated E) hydrogen bonding 1) a solution that contains the highest amount of solute that dissolves at a given temperature 2) the major attraction between water molecules 3) the association of several water molecules with ions produced in a solution 4) a solution.
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