Answer:
Solid particles are close together not gas particles
Answer:
to separate the compounds by gravity
Explanation:
Centrifuging is the process of separating compound in a liquid mixture by means of gravity and settling. This makes use of the density principle. In the process, the sample is added to the centrifuge. This is then rotated at a certain speed, say 50 rpm. The circular motion creates a force of gravity that pulls the compounds downwards. This then separate the compounds. The heaviest and most dense go down first, then the lighter particles on the top.
Answer:
Newton’s law of inertia is illustrated in tests with crash dummies, seat belts, and airbags, wherein the object stays in motion unless there is an unbalanced force applied to it.
Inertia is the main reason why there are seatbelts and airbags in the car. In this case, when the seatbelt is trapped to the passenger, the passenger experiences the same state of motion as the car. If the car accelerates/decelerates, the passenger experiences it too. When the car experiences collision, an unbalance force is acted upon it. This causes the car to stop abruptly, and the passenger shares the same state of motion because of the seatbelt and the airbags that apply the unbalanced force to stop the passenger to go forward.
Answer:
The answer is "10.84 g".
Explanation:
The formula for calculating the number for moles:
![\text{Number of moles }= \frac{\ Mass}{ \ molar \ mass }](https://tex.z-dn.net/?f=%5Ctext%7BNumber%20of%20moles%20%7D%3D%20%5Cfrac%7B%5C%20Mass%7D%7B%20%5C%20molar%20%5C%20mass%20%7D)
In the given acid nitric:
Owing to the nitric acid mass = ![75.9 g](https://tex.z-dn.net/?f=75.9%20g)
Nitric acid molar weight![= 63\ \frac{g}{mol}](https://tex.z-dn.net/?f=%3D%2063%5C%20%20%5Cfrac%7Bg%7D%7Bmol%7D)
If they put values above the formula, they receive:
![\text{moles in nitric acid} = \frac{75.9}{63}](https://tex.z-dn.net/?f=%5Ctext%7Bmoles%20in%20nitric%20acid%7D%20%3D%20%5Cfrac%7B75.9%7D%7B63%7D)
![=1.204 \ mol](https://tex.z-dn.net/?f=%3D1.204%20%5C%20mol)
In the given chemical equation:
![3 NO_2 \ (g) + H_2O \ (l) \longroghtarrow 2 HNO_3 \ (aq) + NO\ (g)](https://tex.z-dn.net/?f=3%20NO_2%20%5C%20%28g%29%20%2B%20H_2O%20%5C%20%28l%29%20%5Clongroghtarrow%202%20HNO_3%20%5C%20%28aq%29%20%2B%20NO%5C%20%28g%29)
In this reaction, 2 mols of nitric acid are produced by 1 mole of water.
So, 1.204 moles of nitric acid will be produced:
![=0.602\ \ \text{mol of water}.](https://tex.z-dn.net/?f=%3D0.602%5C%20%5C%20%5Ctext%7Bmol%20of%20water%7D.)
We are now using Equation 1 in determining the quantity of water:
Water moles ![= 0.602\ mol](https://tex.z-dn.net/?f=%3D%200.602%5C%20%20mol)
Water weight molar ![= 18.02 \ \frac{g}{mol}](https://tex.z-dn.net/?f=%3D%2018.02%20%5C%20%5Cfrac%7Bg%7D%7Bmol%7D)
![\to 0.602 = \frac{\text{mass of mols}}{ 18.02}\\\\\to \text{mass of mols} = 0.602 \times 18.02\\\\](https://tex.z-dn.net/?f=%5Cto%200.602%20%3D%20%5Cfrac%7B%5Ctext%7Bmass%20of%20mols%7D%7D%7B%2018.02%7D%5C%5C%5C%5C%5Cto%20%5Ctext%7Bmass%20of%20mols%7D%20%3D%200.602%20%5Ctimes%2018.02%5C%5C%5C%5C)
![=10.84 \ g](https://tex.z-dn.net/?f=%3D10.84%20%5C%20g)
Answer:
Explanation:
Hope that helps if not lmk have a wonderful day!