Which of the following is a chemical property?
combustibility
melting point
boiling point
density
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OpenStudy (anonymous):
@Aly.mac101
OpenStudy (anonymous):
sup
OpenStudy (anonymous):
plz help
OpenStudy (anonymous):
I know that It can't be a (not sure but its not a)
OpenStudy (anonymous):
i got 100 so far plz all i need is 4 mo quesions right i need 70 and higher
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OpenStudy (anonymous):
I want to say boiling point again not sure
OpenStudy (anonymous):
ok lets see
OpenStudy (anonymous):
wrong it was a
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
man o man
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OpenStudy (anonymous):
reallky!
OpenStudy (anonymous):
y u smilin i got it wrong
OpenStudy (anonymous):
damn it I was for sure it wasn't A
OpenStudy (anonymous):
i gotta 75 so far omg
OpenStudy (anonymous):
According to the law of conservation of matter, which statement about chemical reactions is true?
Atoms are created by some reactions and destroyed by others.
Atoms cannot be created or destroyed by chemical reactions.
Energy is created as atoms are destroyed in chemical reactions.
Every atom destroyed in a chemical reaction must be replaced.
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OpenStudy (anonymous):
@mauricedv
OpenStudy (anonymous):
@Darknight200 read you messages
OpenStudy (anonymous):
i think b
OpenStudy (anonymous):
ik its b agree
OpenStudy (anonymous):
i am
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OpenStudy (anonymous):
yeah B
OpenStudy (anonymous):
B
OpenStudy (anonymous):
i got it right next one brb gotta get recicle bin lol
OpenStudy (anonymous):
Which of the following statements describes the particle arrangement and motion within a plasma?
spread far apart; move freely and rapidly
relatively close together; can move a little and even flow
spread far apart; electrons move independently from the ions
packed tightly together; move or vibrate very little
OpenStudy (anonymous):
why is everything lagging!
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OpenStudy (anonymous):
2nd one.
OpenStudy (anonymous):
When a chemical change occurs, new ________ are always formed.
metals
atoms
molecules
gases
OpenStudy (anonymous):
can yall help
OpenStudy (anonymous):
is it b
OpenStudy (anonymous):
I think b
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OpenStudy (anonymous):
sorry molecules
OpenStudy (anonymous):
not atoms
OpenStudy (anonymous):
D I thnk
OpenStudy (anonymous):
i new it
OpenStudy (anonymous):
wrong
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OpenStudy (anonymous):
D or C
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
molecules
OpenStudy (anonymous):
Which of the following is a chemical change?
freezing nitrogen gas
burning gasoline
melting wax
shredding paper
OpenStudy (anonymous):
plz help me on this one
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OpenStudy (anonymous):
give medaal if i get right first time
OpenStudy (anonymous):
D
OpenStudy (anonymous):
wait
OpenStudy (anonymous):
A
OpenStudy (anonymous):
ok ill see u sure
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OpenStudy (anonymous):
wtf bro mannnnnnnnnnnnnnn wrong again
OpenStudy (anonymous):
According to the law of conservation of matter, the number of ________ is not changed by a chemical reaction.
atoms
products
bonds
molecules
OpenStudy (anonymous):
im thinking atoms
OpenStudy (anonymous):
correct
OpenStudy (anonymous):
Physical changes in water are most often caused by _______.
chemical reactions
temperature
oxidation
combustion
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OpenStudy (anonymous):
When electricity flows through water, the water molecules split into molecules of hydrogen and oxygen gas. How many oxygen (O2) molecules are produced from the splitting of two molecules of water (H2O) if the balanced equation for the reaction is as follows?
2H2O → 2H2 + O2
4
3
2
1