Week 8 - Chemistry
#1. The predominant intermolecular force between molecules of I₂ is _____ A) ionic bonds. B) dipole-dipole interactions. C) ion-dipole interactions. D) dispersion forces. E) covalent bonds. - D)...
SkyRose|7 months ago|±0|720 views
Central Science: Chapter 5
#1. Objects can possess energy as ________. (a) endothermic energy (b) potential energy (c) kinetic energy A) a onlyB) b onlyC) c onlyD) a and cE) b and c - E #2. The internal energy of a...
Chemistry4Life|6 months ago|+1|313 views
Central Science: Chapter 17
#1. Which one of the following pairs cannot be mixed together to form a buffer solution?A) HONH2, HONH3ClB) NaCl, HCl C) RbOH, HFD) KOH, HNO2E) H2SO3, KHSO3 - B #2. Which one of the following pai...
Chemistry4Life|5 months ago|+1|166 views
Central Science: Chapter 8
#1. Which of the following has eight valence electrons?A) Ti4+B) KrC) Cl-D) Na+E) all of the above - E #2. Which of the following does not have eight valence electrons?A) Ca+B) Rb+C) XeD) Br-E) A...
Chemistry4Life|5 months ago|±0|153 views
Central Science: Chapter 2
#1. A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of ________.A) the law of multiple proportionsB) the law of constant compositionC) the law of con...
Chemistry4Life|5 months ago|+1|272 views
Central Science: Chapter 10
#1. Which of the following statements about gases is false?A) Gases are highly compressible.B) Distances between molecules of gas are very large compared to bond distances within molecules.C) No...
Chemistry4Life|5 months ago|+1|177 views
Week 2 - Chemistry
#1. If you go mini-golfing, in which of these scenarios are you precise but not accurate? A) You hit all holes in one. B) You take six strokes at each hole. C) It always takes you a long time to ...
SkyRose|7 months ago|±0|1,417 views
Week 3 - Chemistry
#1. The element symbol for copper is _____ A) C B) Cr C) Co D) Ce E) Cu - E) Cu #2. The element symbol for nickel is _____ A) Ni B) N C) Nc D) Ne E) Nh - A) Ni #3. The element sy...
SkyRose|7 months ago|±0|1,227 views
Quiz 1 -
#1. Which of the following states of matter is pictured below? - C) gas #2. Which of the following states of matter is portrayed by the following description: assumes the shape of its container bec...
SkyRose|7 months ago|±0|843 views
#1. A homogeneous mixture is also called a ____________. A) solution B) pure substance C) heterogeneous mixture D) liquid - A) solution #2. Italian dressing contains olive oil and vin...
SkyRose|7 months ago|±0|959 views
Central Science: Chapter 6
#1. Which one of the following is correct?A) ν + λ = cB) ν ÷ λ = cC) ν = cλD) λ = c νE) νλ = c - E #2. Of the following, ________ radiation has the shortest wavelength.A) X-rayB) radioC) microwav...
Chemistry4Life|5 months ago|±0|171 views
Central Science: Chapter 16
#1. According to the Arrhenius concept, an acid is a substance that ________.A) is capable of donating one or more H+B) causes an increase in the concentration of H+ in aqueous solutionsC) can a...
Chemistry4Life|5 months ago|±0|74 views
Week 6 - Chemistry
#1. What are the reactants in the following equation: HCl(aq) + NaHCO₃(aq)→ CO₂(g) + H₂O(l) + NaCl(aq) A) HCl, NaHCO₃ B) HCl, CO₂ C) NaHCO₃, H₂O D) CO₂, H₂O E) H₂O, NaCl, CO₂ - A) HCl, NaHCO₃ ...
SkyRose|7 months ago|±0|256 views
#1. 1) Which type of compound does not contain a carbonyl group? A) ketone B) aldehyde C) amine D) ester E) carboxylic acid - C #2. 2) Which functional group contains a carbonyl group and a hydr...
JuliusSneezer|5 years ago|+2|6,850 views