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