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Gekata [30.6K]
3 years ago
11

Why did the people of chungungo need to use nets to catch moisture in the air

Chemistry
1 answer:
Natali5045456 [20]3 years ago
3 0
Because that's the only way they can
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The molar mass of barium nitrate (Ba(NO3)2) is 261.35 g/mol. What is the mass of 5.30 × 1022 formula units of Ba(NO3)2?
grandymaker [24]
That looks complicated
4 0
3 years ago
Read 2 more answers
if a gas has a volume of 2.60 L at a pressure of 1.60atm, what will its new volume be at a pressure of 10.6 atm
cricket20 [7]

Answer:

0.39L

Explanation:

Given parameters:

Initial volume of gas V₁ = 2.6L

Initial pressure on gas P₁ = 1.6atm

Final volume of gas V₂ = ?

Final pressure on gas P₂ = 10.6atm

Solution

Applying Boyle's law which states that "the volume of a fixed mass of a gas varies inversely as the pressure changes if the temperature is constant".

Mathematically;

                      P₁V₁ = P₂V₂

                      V₂ = \frac{P_{1}V_{1} }{P_{2} }

                      V₂ =  \frac{1.6 x 2.6 }{10.6 } = 0.39L

7 0
4 years ago
The reaction 2NO2(g)+F2(g)-->2NO2F(g) has an overall second order rate law, rate=k[NO2][F2]. Suggest a mechanism consistent w
borishaifa [10]
<span>The reason why it is easiest to assume the first step is slow is because that would be your rate determining step and would give you the rate law given in the problem. So you take the two compounds from the rate law given and put them as your two reactants in your first step: NO2 + F2 ---> NO2F + F (all gases) Your next step needs to make sense for your overall reaction. And you also need to have an intermediate which in this case will be F: F + NO2 ---> NO2F (again all gases) This is the fast step. Your intermediate cancels out to give you your overall equation: 2NO2 + F2 ---> 2NO2F (all gases)</span>
3 0
3 years ago
Boyle's Law is about how the volume of a gas is affected by... Boyle's Law is about how the volume of a gas is affected by... te
Lelu [443]

Answer:

please is this a question or answer I don't understand

8 0
2 years ago
Which element would you expect to be more metallic?<br> (a) S or Cl (b) In or Al (c) As or Br
Natalija [7]

Explanation:

When we move across a period from left to right then there will occur an increase in electronegativity and also there will occur an increase in non-metallic character of the elements.

As sulfur (S) is a group 16 element and chlorine (Cl) is a group 17 element. Hence, sulfur (S) is more metallic in nature than chlorine.

This means that chlorine (S) is less metallic than chlorine (Cl).

Both indium (I) and aluminium (Al) are group 13 elements. And, when we move down a group then there occur an increase in non-metallic character of the elements. As indium belongs to group 13 and period 5 whereas aluminium belongs to group 13 and period 3.

Therefore, aluminium (Al) is more metallic than indium (In).

Arsenic (Ar) is a group 15 element and bromine (Br) is a group 17 element. Therefore, arsenic is more metallic than bromine.

4 0
4 years ago
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