Description : Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite
Last Answer : ANSWER: W -- POLYMORPHISM
Description : what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?
Last Answer : B: Physical Property
Description : Chemical property of a substance is deter- mined by?
Last Answer : Electrons
Description : Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance ... temperature and pressure is (A) 0 (B) 1 (C) ∞ (D) None of these
Last Answer : (B) 1
Description : What term describes a substance that can be dissolved in solution?
Last Answer : What is the answer ?
Description : What sentence best describes a cell that that isotonic for substance?
Last Answer : The solute concentration is equal on both sides of the cellmembrane.
Description : Which of these best describes temperature of a substance?
Last Answer : average kinetic energy
Description : Which of the following statements accurately describes a risk factor for depression? a) History of physical or sexual abuse History of physical or sexual abuse and current substance abuse are risk ... years. d) Negative family history of depression Family history of depression is a risk factor.
Last Answer : a) History of physical or sexual abuse History of physical or sexual abuse and current substance abuse are risk factors for depression.
Description : What is the word that describes a substance that reacts with both strong acids and strong bases?
Last Answer : ANSWER: AMPHOTERIC
Description : What is a property that describes a structure's ability to support a load?
Last Answer : compression, tension, or torsion
Description : Catenation is a property of the carbon atom which describes its ability to (a) bond with other carbon atoms (b) form double and triple bonds (c) exist in plant and animal form (d) form bonds in its ground state
Last Answer : bond with other carbon atoms
Description : Pick up the correct definition from the following with response to GIS. (A) Common boundary between two areas of a locality is known as adjacency (B) The area features which are wholly ... property which describes the linkage between line features is defined as connectivity (D) All of these
Last Answer : Answer: Option D
Description : Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and ... of a drug. d) The first compound of a structural class of compounds to reach the market.
Last Answer : c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug.
Description : What property of a metal describes the onset of plastic deformation in a tensile test? w) tensile strength x) elongation y) yield strength z) reduction in area
Last Answer : ANSWER: Y -- YIELD STRENGTH
Description : What property of a substance that is observable without changing it?
Last Answer : Examples: color, density, granulation, hardness, refractive index, etc.
Description : Why the density of a substance is considered to be a unique property of matter?
Last Answer : Each substance has a specific density.
Description : What is The property of water molecules to stick to a substance?
Last Answer : Feel Free to Answer
Description : What property of substance does distillation used as basis for separation of components of a mixture?
Last Answer : Different materials have different boiling points.
Description : Density is a measurable property of matter. How can the density of a substance be determined?
Last Answer : He
Description : Superconductivity is a material property associated with - (1) cooling a substance without a phase change (2) frictionless liquid flow (3) a loss of thermal resistance (4) a loss of electrical resistance
Last Answer : (3) a loss of thermal resistance Explanation: Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors.
Description : Which property is processed by the ferromagnetic substance?
Last Answer : Hysterasis
Description : The property of a substance to absorb moisture from the air on exposure is called------? A. osmosis B. deliquescence (Answer) C. efflorescence D. desiccation
Last Answer : B. deliquescence (Answer)
Description : Pick out the correct statement. (A) 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F (B) In steady state heat conduction, the only property of the substance which determines the ... in the direction of temperature rise (D) In heat transfer by forced convection, Grashoff number is very important
Last Answer : (B) In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity
Description : What refers to the thermodynamic properties which are independent on the amount of the substance present? a. Extensive property b. Intensive properties c. Reversible properties d. Irreversible properties
Last Answer : Intensive properties
Description : What refers to the thermodynamic properties which are dependent on the amount of the substance present? a. Extensive property b. Intensive properties c. Reversible properties d. Irreversible properties
Last Answer : Extensive property
Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave. a. Entrophy b. Enthalpy c. Specific Heat d. None of the above
Last Answer : Entrophy
Description : The change in physical size of a substance when its temperature changes. a. intensive property b. extensive property c. volume expansion d. thermal expansion
Last Answer : thermal expansion
Description : If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly (a) temperature (b) enthalpy (c) internal energy (d) entropy (e) all of the above.
Last Answer : Answer : d