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Answer:
Explanation:
Hello!
In this case, since salts such as potassium phosphate are composed by a monoatomic cation (positive charge) and a polyatomic anion (negative), we infer that the ions present in a solution having this compound look like this:
Whereas the first one stands for potassium ions and the second one the phosphate ions.
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<span>2 H</span>₂<span> + O</span>₂<span> = 2 H</span>₂<span>O
4 g H</span>₂ ------------ 32 g O₂----------- 36 g H₂O
<span> 8 g H</span>₂ ------------ 64 g O₂------------ ? g H₂O
<span>
Mass of H</span>₂O :
<span>
64 * 36 / 32 =
2304 / 32 = 72 g of H</span>₂O
<span>
hope this helps!
</span>
Answer:
Barium
Explanation:
The specific heat of a material is a property defined as the amount of energy required to increase the temperature of 1g of this material in 1°C = 1K
In this way, the metal that takes the least amount of energy to increase its temperature is the metal that has the lowest specific heat.
In the problem, this metal is Barium (Ba = 0.201J/gK)
Explanation:
I know only P2O5 = Phosphorus pentoxide