The strength of an acid is based on the hydrogen ions it forms.
You answer is D
Mountain and Valley Breezes - Geography for Kids - KidsGeo
KidsGeo › geography-for-kids › mountai...
In the evening, the mountain slopes cool the surrounding air more quickly than the air found lower in the atmosphere. This creates a high pressure as air becomes more densely packed. The resulting high pressure causes winds to blow down the mountain towards the valley floor.
In Celsius, unless you’re American.
<h3>
Answer:</h3>
55.81%
<h3>
Explanation:</h3>
Mass percentage composition of an element in a compound can be calculated by dividing the mass of the element in the compound by the relative formula mass of the compound and expressing it as a percentage.
Therefore;
% composition = (Mass of the element/ relative formula mass)100%
In this case;
We are given the mass of the element (oxygen) and the mass of the compound (Kaolinite) thus;
Mass % of oxygen in kaolinite = (Mass of oxygen/ mass of Kaolinite)100%
% composition of Oxygen = (8.009 g/14.35 g)100%
= 55.81 %
Therefore; the mass percent of oxygen in Kaolinite is 55.81%
A balanced equation for the precipitation of barium sulfate after mixing aqueous ammonium sulfate and barium chloride is as follows:
(NH₄)₂SO₄ (aq) + BaCl₂ (aq) ------> BaSO₄(s) + 2NH₄Cl (aq)
As suggested by the equation, 1 molecule of ammonium sulfate reacts with 1 molecule of barium chloride and forms 1 molecule of barium sulfate and 1 molecule of ammonium chloride.