ACS Chemistry Tests Bundle Set

the physical material of the universe. It is anything that has mass and occupies space. CORRECT ANSWER Matter is made up of relatively few elements. CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). CORR...

Isotopes CORRECT ANSWER when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed until the beginning of the 20th century? CORRECT ANSWER That all physical phenomena were deterministic Light CORRECT ANSWER Form of electromagnetic radiation ...

Accuracy? CORRECT ANSWER Closeness of measurements to the TRUE VALUE of what is being measured Precision? CORRECT ANSWER Closeness of a SET of measurements How do you calculate Percent Error? CORRECT ANSWER I experimental-accepted I ____________________ x 100 accepted value Are zeros in...

Density CORRECT ANSWER mass / volume Conversion from celsius to kelvin CORRECT ANSWER K = DegC + 273.15 Conversion from DegF to DegC CORRECT ANSWER DegC = (5/9) (DegF - 32) Conversion from DegC to DegF CORRECT ANSWER DegF = (9/5)(DegC) + 32 Intensive properties CORRECT ANSWER Independent...

What are the 4 types of intermolecular forces listed from weakest to strongest? CORRECT ANSWER London dispersion, dipole-dipole, hydrogen bonding, ion-dipole What effect does IMFs have on surface tension? CORRECT ANSWER surface tension increases as strength of IMF increase What effect does IMF...

C CORRECT ANSWER Where is the hydrophilic (attracted to water) region of the molecule? (A) Region 1 (B) Region 2 (C) Region 3 (D) The three regions are equally hydrophilic C CORRECT ANSWER Which molecule is most soluble in water? D CORRECT ANSWER A solution of NaCl in water has a concentra...

The two states that are collectively known as the condensed states are _______. CORRECT ANSWER solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together CORRECT ANSWER intermolecular forces Intermolecular fo...

Energy (decreases/increases) with increasing wavelength? CORRECT ANSWER decreases Energy (decreases/increases) with increasing frequency? CORRECT ANSWER increases The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) CORRECT ANSWER decreases...

What is the most complete and best description of a covalent bond? CORRECT ANSWER A system of two nuclei where each atom donates one electron to the other atom, thus forming a bond What is not a characteristic of ionic substances? CORRECT ANSWER Their reactions are generally extremely slow. Ch...

cars transporting nitric acid? CORRECT ANSWER It forms an adherent and insoluble oxide coating. What is ammonia's solubility in gas? CORRECT ANSWER High How to tell which gas is most soluble in water? CORRECT ANSWER The most polar gas will dissolve the most in water- H2 How does soap behav...