comp chem set
the type of solution which would result in the shrinking or shriveled of a blood cell is a ____ solution
hypertonic
the process used to separate colloidal solutes from crystalloidal solutes
dialysis
a solution containing less solute than it could hold under ordinary conditions is ____
unsaturated
the most abundant compound known in inorganic chemistry is ____
water
the significance of hard water to the embalmer is that the salts that cause hardness in water also cause ____
blood clotting / coagulation
electrolytes are substances which, in solutions, release ____ ions
both positive and negative ions
the lroxess by which particles of a single solute move from an area of higher concentration to an area of lower concentration
diffusion
most acids, bases, and salts, when in solution, make very good ____ a. non-metallic crystalloids b. non-electrolytes c. solvents d. electrolytes
electrolytes
substances which release both positive and negative charged ions when in solution
electrolytes
the manner in which most metals and non-metals unite chemically is by ____
electron transfer
the name given to the chemical reaction in which oxygen combines with another substance is ____
oxidation
the chemical reaction which involves reduction reactions are always accompanied by ____
oxidation reactions
in the compound water, hardness is caused by ____ a. radioactivity b. non-metallic residue c. absence of metallic salts d. presence of metallic salts
presence of metallic salts
an alcohol with a single hydroxyl unit attached to the end carbon atom is a ____ alcohol
primary alcohol
chemical reactions involving both oxidation and Reduction reactions are sometimes referred to as ____ reactions
redox reactions
the name given to the chemical reaction which involves the removal of oxygen from an inorganic substance
reduction
which of the following is NOT an organic compound? carbon tetrachloride paradichlorobenzene acetone sodium chloride
sodium chloride
at room temperature, paraformaldehyde is in the ____ state
solid
the capacity of a given solute to dissolve in a given solvent would be its ____
solubility
which of the following is NOT true of formaldehyde? it is produced bybthe oxidation of methanol it can be oxidized into methanol it is a colorless gas at room temperature it is soluble in water
it can NOT be oxidized into methanol
which of the following statements is FALSE concerning carbon? a. it is present in water molecules b. it forms covalent bonds with other substances c. it forms organic compounds d. it is a fundamental element in living things
it is present in water molecules
what type of compound is hemoglobin?
protein
in changing Centigrade to Fahrenheit, the conversion fraction used is ____
C• 9/5 + 32 = F
substances which ionize in solution to produce H ions
acids
organic hydroxide compounds are better known as ____
alcohols
what type of organic substances are described as derivatives of ammonia?
amines
the formula NH³ designates the compound ____
ammonia
an object with a specific gravity gravity of less than one, when placed in water, will ____
float
the oxidation of formaldehyde forms ____ acid
formic
another name for methanoic acid
formic acid
the abbreviated expression representing a compound is a ____
formula
at room temperature, formaldehyde is a ____
gas
a metallic element becomes electrically charged by ____
giving up an electron
Hydrates can easily be broken up to form anhydrous compounds by ____
heating
water will combine chemically with certain compounds to form crystalline compounds known as ____
hydrates
the type of solution which would result in the swelling and bursting of a blood cell is a ____ solution
hypotonic
the type of solution which would cause no appreciable change in size or condition of a blood cell placed in it would be an ____ solution
isotonic
which of the following is the simplest of the hydrocarbon compounds? methane ethane butane propane
methane
True or False: hydrolysis is the process by which water splits compounds and introduces its own constitutes into the products formed
True
True or False: normal body temp is 37°C or 98.6°F
True
true or false the substrate is the material upon which an enzyme acts
True
proteins are ____ a. waxes b. oils c. amphoteric d. inorganic
amphoteric
what substance is produced by the dehydration of an organic acid and an alcohol?
an ester
organic compounds containing a benzene ring are ____ compounds
aromatic
True or False glycerol acts as a preservative in embalming fluids
False
True or False the amino acids do not coagulate when treated with protein coagulating agents
False
True or False: Embalming Fluid is a compound.
False
True or False: commercial formalin is a 10% aqueous solution of formaldehyde
False
True or False: the partial oxidation of aldehydes yields alcohols
False
True or False: the rate of diffusion is increased by a decrease in temperature
False
True or False glycerol is used in embalming fluid primarily for its dehydrating action
False
True or False in a solution, the substance which exists in the greater amount is called the solute
False
the process by which the solvent of a solution moves through a semipermeable membrane from a solution of lower concentration to one of higher concentration
osmosis
the valence electrons affecting metallic and non-metallic compounds are located in the ___ ring
outer orbital ring / valence ring
NH³ has significance to the embalmer because it is a ____ of ____
product of decomposition
which of the following is classified as a ketone? propane propanol propanone propanoate
propanone
which of the following is mainly affected by putrefaction? a. carbohydrates b. lipids c. starches d. proteins
proteins
a non-metallic element becomes electrically charged by ____ an ____
recieving an electron
which of the following is an example of a polyhydroxy alcohol? methanol ethanol glyoxal sorbitol
sorbitol
hydrocarbon compounds that contain at least one double or triple bond between two adjacent carbon atoms are ____
unsaturated
the outer orbital ring of metallic and non-metallic elements will contain the ____
valence electrons
Hg is the atomic symbol for ____
Mercury
formaldehyde is produced by the catalytic oxidation of ____
Methanol
True or False The presence of glycerine in embalming fluids increases their ability to diffuse
True
True or False a solution which is hypotonic to the blood will cause red blood cells to swell and burst
True
True or False ammonia is one of the gasses produced from the decomposition of proteins
True
True or False autolysis is the digestion of cells by means of their own enzymes
True
True or False enzymes are destroyed by heat
True
True or False formalin is an example of a solution
True
True or False lactic acid is important to the embalmer because it is involved in the onset of Rigor mortis
True
True or False methanal hardens proteins
True
True or False methanal is a colorless gas with an irritating odor
True
True or False proteins as well as amino acids are amphoteric
True
True or False saponification refers to the action of an alkali on a fat
True
True or False solutions that have the same osmotic pressure are said to be isotonic
True
True or False the characteristic firming action of formaldehyde is inhibited as the proteins decompose
True
True or False water is used as the solvent in embalming fluids
True
True or False wood alcohol inhibits the polymerization of formaldehyde
True
True or False: ammonia reacts chemically with formaldehyde
True
the partial oxidation of a primary alcohol yields an ____
aldehyde
glycogen is a ____
carbohydrate
how many carbon atoms are present in a hexose monosaccharide compound? 2, 4, 6, or 8
6
which of the following is described as an organic acid that contains nitrogen? nitric acid nitrous acid amino acid fatty acid
amino acid
substances which ionize in solution to produce OH ions
bases
the basic unit of all aromatic compounds.
benzene
which of the following will not have any effect on the solubility of a given solvent? capacity of the container temperature and pressure of the solvent agitation of the solvent basic nature of the solvent
capacity of the container
which of the following is classified as a halide compound? carbon tetrachloride isopropyl alcohol carbon dioxide carbolic acid
carbon tetrachloride
which of the following is an aromatic substance? a. phenol b. formaldehyde c. esters d. ethers
esters
which of the following is classified as an alkane? a. formaldehyde b. ethane c. acetic acid d. acetone
ethane
a dehydration reaction between two alcohols will form an ____
ether
which of the following is classified as an alkyne? ethane ethene ethyne ethanoate
ethyne
esters of glycerol and fatty acids are ____ a. acidic b. fats c. amino acids d. buters
fats
the by-product of the hydrolysis of fats are ____ and ____
fatty acids and glycerol
substances which would release no free ions in solution would be ____
non-electrolytes
the usual manner of chemical union between inorganic compounds is ____ a. non-metals dissolved in metals b. metals dissolved in non-metals c. nonmetals gain electrons, metals lose electrons d. metals recieve protons
non-metals gain electrons, metals lose electrons
oxidation reactions and reduction reactions always ____ release free H² occur in the same reaction require a catalyst exist in separate reactions
occur in the same reaction
the type of hardness which could be removed by boiling is ____ hardness
temporary hardness
which of the following is a property of alkane compounds? they are saturated hydrocarbon compounds they are unsaturated hydrocarbon compounds they contain equal numbers of carbon and hydrogen atoms they contain oxygen
they are saturated hydrocarbon compounds
how many pairs of electrons are shared between two adjacent carbon atoms in an alkyne compound?
three
True or False Oxidation and Reduction reactions cannot take place without the other also happening.
true
