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shusha [124]
3 years ago
15

Which of the following gases will diffuse the fastest at room temperature?

Chemistry
1 answer:
maw [93]3 years ago
4 0

Answer:

I am pretty sure that it is A. H2.

Explanation:

Sorry if it's wrong.

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A geologist discovers a fault in a massive rock while out in the field. He notices that the fault occurs at an angle and that th
Ludmilka [50]

Answer: normal fault

A fault refers to a planar or curved fracture in the rocks of the Earth crust, in which compressional or tensional forces results in the displacement of the rock on the opposite side of the fracture. Fault may vary in the length of the fracture. A normal fault is a fault in which the hanging wall of the rock moves downward to the footwall. It occurs when the two blocks of rock are separated apart by the tensional forces.  

On the basis of the above information, the normal fault is the fault that should be found by the geologists in the rock.

5 0
3 years ago
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To convert from mass of X to liters of Y in any stoichiometry problem, the following steps must be followed
gizmo_the_mogwai [7]

Answer:

A. mass X to moles X to moles Y to liters Y

Explanation:

Remember: moles are the great converter. They're basically just a made-up concept meant to facilitate conversions!

Starting with mass X, you must then convert to moles X.

Once you have moles X, convert  moles Y. Think of a chemical equation: the mole ratios are the coefficients!

Once you have moles Y, all you have to do is convert to liters Y. You can do this with the molarity equation M = mol/L, or if it's a gas at STP you know the conversion!

6 0
3 years ago
When the temperature in a room increases from 25°C to 33°C, changes from a solid to a liquid.
mr Goodwill [35]

Answer:

true

Explanation:

Because ice melts if the temperature increasese

8 0
3 years ago
What is the balanced chemical equation for the combustion of sulphur
nikitadnepr [17]

Answer:

S+O2⇒SO2

Explanation:

3 0
2 years ago
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How many sulfate ions are there in 321 grams of iron lll sulfate
nikitadnepr [17]
Here, we use the mole as we would use any other collective number: a dozen eggs; a Bakers' dozen; a Botany Bay dozen.
Of course, the mole specifies a much larger quantity, and if I have a mole of stuff then I have
6.022
×
10
23
individual items of that stuff. We can also specify an equivalent mass, because we also know the mass of a mole of iron, and a mole of oxygen etc........The mole is thus the link between the macro world of grams and kilograms and litres, that which we can measure out in the lab, to the micro world of atoms, and molecules, that which we can perceive only indirectly.
Here we have the formula unit
F
e
2
(
S
O
4
)
3
. If there is a mole of formula units, there are necessarily 2 moles of iron atoms, 3 sulfate ions,.......etc.
7 0
2 years ago
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