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svet-max [94.6K]
3 years ago
11

PLS HELP, THE QUESTION IS ON THE PICTURE

Mathematics
1 answer:
Natali [406]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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s2008m [1.1K]

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11 yards

Step-by-step explanation:

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2 years ago
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PLSSS HELP IMEDEATLY Find the x- and y-intercepts of the graph of 2 – 6y = 35. State your answers as
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Y= -5.5  There is no X intercept.

Step-by-step explanation:

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7 0
3 years ago
What is the mass of 2.5 moles of carbon dioxide?
GarryVolchara [31]

Answer:

110 grams

Step-by-step explanation:

CO2 molecule is made up of Carbon (atomic mass =12) and oxygen (atomic mass=16).

So first finding the mass of 1 molecule of CO2 which is equals to

= mass of 1 carbon atom + masses of 2 oxygen atom, we get

= 12+(16*2)= 12+32= 44 a.m.u.

Now 1 molecule of CO2 has mass 44 amu so mass of 1 mole CO2 will be 44 grams.( 1 a.m.u.=1.6729*10^-33 grams. 1 mole = 6.022*10^23, so 44 a.m.u.=73.6076*10^-33 grams approx. For one mole CO2, 73.6076*10^-33*6.022*10^23 which is approximately equals to 44 grams. )

1 mole CO2= 44grams, so 2.5 moles = 44*2.5= 110 grams

So our answer is 110 grams.

lowkey hope this helped you, good luck whatever you need it for Imaooo

3 0
2 years ago
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C is the answer your welcome
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2 years ago
3x^2 - 12x ÷ x-4 what is this simplified
Andreyy89
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3 years ago
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