Metalloids are all solid at room temperature<span>. Some metalloids, such as silicon and germanium, can act as </span>electrical<span> conductors under the right conditions, thus they are called semiconductors. Silicon, for example, appears lustrous but is not malleable or </span>ductile<span> (it is brittle - a characteristic of some nonmetals).
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To balance a reaction, we must say to it that the number of elements in one side is equal to the other side. For a combustion reaction such as the one given, we first need to balance the number of carbon atoms, then the hydrogen atoms and lastly the oxygen atoms.
<span>C4H10 + 13/2O2 → 4CO2 + 5H2O.</span>
Because phosphorus is more flammable than sulfur!
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The mass % F in the metal fluoride that is formed is 60.64%
<u><em>calculation</em></u>
Step 1: calculate the mass of fluorine (F)
mass of F = mass of metal fluoride - mass of the metal
= 7.47 g - 2.94 g= 4.53 g
Step 2: calculate the % mass of F
Mass % of F = mass of F / mass of metal fluoride x 100
mass % of F is therefore = 4.53 g/ 7.47 x 100 = 60.64%
Answer:
<h2>2 m/s²</h2>
Explanation:
The acceleration of an object given it's mass and the force acting on it can be found by using the formula
f is the force
m is the mass
From the question we have
We have the final answer as
<h3>2 m/s²</h3>
Hope this helps you
