<h3>Answer : </h3>
<h3>→ TRUE </h3>
Explanation:
<h3>Air masses are large volumes of air that</h3><h3> have generally the same temperature and</h3><h3> pressure.</h3>
58kg
Explanation:
Given parameters:
Mass of bicycle = 8kg
Total force exerted = 191.4N
Acceleration = 2.9m/s²
Unknown:
Naomi's mass = ?
Solution:
Force is a product of mass and acceleration as sated in the second law of newton.
Force = mass x acceleration
Total force on the bicycle = total mass x acceleration
191.4 = (8 + k) 2.9
8 + k = = 66
K = 66 - 8 = 58kg
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Answer: 130.2 g
Explanation:
To calculate the moles :
According to stoichiometry :
3 moles of require = 2 moles of
Thus 1.11 moles of will require= of
Mass of
Thus 130.2 g of gallium chloride would react with excess fluorine to produce 78.9 g of chlorine
Answer:
- <u><em>Solution </em></u><em>is a physical combination of one substance dissolved in another.</em>
Explanation:
A <em>solution</em> is a homogeneous mixture.
The solutions are characterized by uniform composition and one phase, but they can be either solid, liquid or gases.
In a solution there is, at least, one solute <em>substance</em> and one or more solvents.
A typical solution is salt and water: salt is the solute, which is <em>dissolved</em>, in water (the solvent).
In a solution, you can not distinguish visually the solute from the solvent, but, since they are physically, and not chemically, combined, they can be separated by physical media, e.g. evaporation.