Honors Chem. Unit 1 Test Questions And Answers Latest Top Score.
2 vues 0 fois vendu
Cours
Honors Chem
Établissement
Honors Chem
Honors Chem. Unit 1 Test Questions And Answers Latest Top Score.
round to 5 significant figures: 192.6739 - correct answer. 192.67
anything that has mass and takes up space - correct answer. matter
the smallest unit of an element that maintains the chemical identity of that eleme...
Honors Chem. Unit 1 Test Questions
And Answers Latest Top Score.
round to 5 significant figures: 192.6739 - correct answer. 192.67
anything that has mass and takes up space - correct answer. matter
the smallest unit of an element that maintains the chemical identity of that element -
correct answer. atom
the mass per unit volume of a substance - correct answer. density
a pure substance that cannot be broken down into simple substances and is made of
one type of atom - correct answer. element
a substance that can be broken down in simple substances and it is made of two or
more elements that are chemically bonded - correct answer. compound
depend upon the amount of the substances present - correct answer. extensive
property
examples of the extensive property - correct answer. mass, volume, energy
independent of the amount of the substance that is present - correct answer. intensive
property
examples of the intensive property - correct answer. mass, volume, energy, etc.
the characteristics of matter that can be changed without changing its composition;
characteristics that are directly observable - correct answer. physical property
changes in matter that do not change the composition of a substance - correct answer.
physical change
, examples of physical change - correct answer. changes of state, temperature, volume
a substance's ability to undergo changes that transform into different substances -
correct answer. chemical property
examples of the chemical property - correct answer. flammability, rusting of steel, and
the digestion of food
changes that result in new substances. the substances that react are reactants and
those formed are products - correct answer. chemical change
examples of chemical change - correct answer. combustion, oxidation, decomposition
the physical process where matter moves from one state to another - correct answer.
change of state
examples of change of state - correct answer. melting, evaporating, boiling, feezing
matter with definite volume and shape - correct answer. solid
matter with definite volume but indefinite shape - correct answer. liquid
matter that has neither definite volume nor definite shape - correct answer. gas
every sample has exactly the same characteristic properties and composition; are
elements or compounds, if compounds then they are broken down by chemical
decomposition - correct answer. pure substance
two or more substances that are not chemically combined and can be separated by
physical means. the substances in a mixture retain their individual properties - correct
answer. mixture
mixtures that are uniform, cannot tell the components apart - correct answer.
homogeneous mixtures
mixtures where the components of the mixture are not uniform, or have localized
regions with different properties - correct answer. heterogeneous mixtures
coffee with sugar and milk - correct answer. example of a homogeneous mixture
oil with water - correct answer. example of a heterogeneous mixture
a process where a set of substances undergo a chemical change to form a different
substance - correct answer. chemical reaction
how close a measure value is to the actual/true value - correct answer. accuracy
Les avantages d'acheter des résumés chez Stuvia:
Qualité garantie par les avis des clients
Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.
L’achat facile et rapide
Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.
Focus sur l’essentiel
Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.
Foire aux questions
Qu'est-ce que j'obtiens en achetant ce document ?
Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.
Garantie de remboursement : comment ça marche ?
Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.
Auprès de qui est-ce que j'achète ce résumé ?
Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur techgrades. Stuvia facilite les paiements au vendeur.
Est-ce que j'aurai un abonnement?
Non, vous n'achetez ce résumé que pour $10.99. Vous n'êtes lié à rien après votre achat.
