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sertanlavr [38]
3 years ago
15

The most prominent topographical feature of the ocean discovered in the 1960's was _____.

Chemistry
2 answers:
pychu [463]3 years ago
7 0
The moutain ridge which circles the earth.
daser333 [38]3 years ago
6 0

Answer:

subduction zones

Explanation:

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A gas mixture contains the following gases with the mole fractions indicated: nitrogen (0.21), oxygen (0.16), carbon dioxide (0.
alukav5142 [94]

Answer:

Mole fraction Ar = 0.31

Explanation:

Remember that the sum of the mole fractions in a mixture of gases = 1

Mole fraction = Moles from a gas / Total moles

Mole fraction N₂+ Mole fraction O₂+ Mole fraction SO₂+ Mole fraction CO₂ + Mole fraction Ar = 1

N₂ = 0.21

O₂= 0.16

CO₂ = 0.23

SO₂ = 0.09

Mole fraction Ar = 1 - 0.21 - 0.16 - 0.23 - 0.09

Mole fraction Ar = 0.31

4 0
3 years ago
How could a chemical change create sound
NeX [460]
Release of heat, color change, or produce of bubbles create are chemical changes that create sound.
5 0
3 years ago
What is an easy science subject to write an 8 page essay on?
WINSTONCH [101]
Calculating speed or atoms and molecules or planets!




Hope i helped plz mark as brainlist!
8 0
3 years ago
Read 2 more answers
A living thing that cannot make its own food and must eat other living things for energy
lisabon 2012 [21]

Answer:

heterotrophs

Explanation:

7 0
3 years ago
2 SO2(g) + O2(g) + 2 H2O(ℓ) −→ 2 H2SO4(ℓ)
DIA [1.3K]

Answer:

6116g

Explanation:

2SO2(g) + O2(g) + 2H2O(ℓ) −→ 2H2SO4(ℓ)

We want to find the mass in grams of SO2 that is needed to react with 1527 g of O2. First we must convert the grams of O2 to moles of O2 then to moles of SO2 and then to grams of SO2

So first lets find the molar mass of O2

The mass of oxygen according to a periodic table is 15.999

Using this the mass of O2 would be 15.999(2) = 31.988g

Next we need to identify the mole ratio of O2 to SO2

Looking at the equation for 1 mole of O2 there are two moles of SO2

Next we need to find the molar mass of SO2

Again the mass of oxygen is 15.999g and the mass of Sulfur is 32.066

So the mass of SO2 would be 15.999(2) + 32.066 = 64.064g

Now that we have found all the needed conversions :

  • 1 mol O2 = 31.988g
  • 1 mol O2 = 2 mol SO2
  • 1 mol SO2 = 64.064g

We can now use dimensional analysis to calculate the answer.

Kindly check the attached image to see the table. ( sorry if its a bit blurry )
Explanation : The conversions are used to cancel out the units to get to the final unit which is gSO2.

Once the units are cancelled out except for the gSO2 we mutliply and divide based off of what the table says to do.
Here first we divide 1527 by 31.988. We than multiply by 2. Finally we multiply by 64.064 to get the final answer which is 6116gSO2

7 0
2 years ago
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