Answer: 82.9kPa
Explanation:
Gas pressure can be measured in several units, they include psi (pound per square inch), kPa (kilo pascal).
Recall that:
1 Kilopascal (kPa) = 0.14503773779 psi
So, let Z kPa = 12.02 psi
To get the value of Z, cross multiply
12.02 psi x 1kPa = 0.14503773779 psi x Z kPa
12.02 = 0.14503773779Z
Divide both sides by 0.14503773779
12.02/0.14503773779 = 0.14503773779Z/0.14503773779
82.9 kPa = Z
Thus, the 12.02 psi is equivalent to 82.9 kPa
The answer would be
A) Increases; left to right.
This is the answer because if you notice it says period and a period in the periodic table is a horizontal row that goes from left to right.
Answer: i think it is Habitat but i am not 100%
Explanation:
Answer:
b. some sodium iodide will precipitate out of solution
Explanation:
We know that for salts solubility decreases as the temperature of the solution decreases. So, NaI being a salt, its solubility will surely decrease when the temperature is cooled down to 25°C from 50°C.
Thus,the undissolved sodium iodide will precipitate out of the solution.
So to get the answer use the equation: moles = mass/ RAM the RAM is the relative atomic mass and can be calculated by using the bottom number in the box of the element on the periodic table so for this question the mass of P4 is 161g and the RAM of P4 is 124 (31 X 4) so 161/124 = 1.3 and because you need to work out P2O5 and not P4 2 is half of 4 so you half the moles so the answer should be 0.65