what occurs when the extinguishing agent reacts with the cooking oil to form a soapy foam blanket that provides separation betwe
1 answer:
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5. 25 x 10⁻⁷mg
Explanation:
This is mass conversion from mg to kg;
The kg is a quantity of mass used to measure the amount of matter in a substance.
Given mass = 5.25 x 10⁻¹³kg
The kilo- is a prefix that denotes 10³
therefore;
1000g = 1kilogram
the milli- is a prefix that denotes 10⁻⁻³
1000mg = 1g
Now that we know this, we can convert:
5.25 x 10⁻¹³kg x = 5. 25 x 10⁻¹³ x 10⁶mg
= 5. 25 x 10⁻⁷mg
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Answer:- 2.4 mol .
Solution:- It asks to calculate the moles of formed when 1.2 moles of
are reacted.
There is 2:4 mol ratio between and
. So, the moles of reactant are multiplied by the mol ratio to get the moles of
. The calculations are shown below:
= 2.4 mol
So, 2.4 moles of are formed when 1.2 moles of
were reacted.
Answer:
A strong acid
Any strong acid (such as HCl, HBr, or ) will completely dissociate forming a very weak conjugate base and H3O which will be acidic.