Mass Stays the Same
Middle School Physical Science · Flashcards
MIDDLE SCHOOL PHYSICAL SCIENCE · FLASHCARDS
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QUESTION
Which measurement best tests mass conservation in a closed-system lab model?
QUESTION
Find the correct claim: In a closed system, mass changes because atoms disappear. True or false?
QUESTION
Find the missing value using
m
r
e
a
c
t
a
n
t
s
=
m
p
r
o
d
u
c
t
s
m_{reactants} = m_{products}
m
r
e
a
c
t
an
t
s
=
m
p
r
o
d
u
c
t
s
: reactants
=
50
g
= 50\,g
=
50
g
, one product
=
18
g
= 18\,g
=
18
g
.
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ANSWER
32
g
32\,g
32
g
.
50
g
−
18
g
=
32
g
50\,g - 18\,g = 32\,g
50
g
−
18
g
=
32
g
for the other product.
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