Answer:
radiated heat from the Earth's surface
Explanation:
I had this same question and trust me this is the correct answer
Answer:
Explanation:
The conclusion is the summary of the post experimental analysis. This involves the comparison of the results of the experiment with the theory and associated background literature related to the research or experimentation topic.
The purpose of the conclusion is to make a brief account of the findings of the research or experimentation process.
The reaction PCl5 + 4H2O -> H3PO4 + 5HCl involves 5 moles of HCl and 4 moles of water. Thus, for every mole of HCl produced, 0.8 moles of water is consumed. Hence, in this scenario, 2.76 moles of water would have been consumed to produce 3.45 moles of HCl.
In the balanced equation, PCl5 + 4H2O -> H3PO4 + 5HCl, you notice that 4 moles of water react with PCl5 to produce 5 moles of HCl. This means for every mole of HCl produced, 0.8 moles of water would have been consumed (4 moles / 5 moles).
So, if the reaction results in 3.45 moles of HCl, we can calculate the number of moles of water that reacted by multiplying the moles of HCl by 0.8. This gives us 2.76 moles of water.
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By creating a proportion based on the balanced chemical equation, it is determined that 2.76 moles of water reacted with PCl5 to produce 3.45 moles of HCl.
To determine how many moles of water reacted if 3.45 moles of HCl are produced, we refer to the balanced chemical equation:
PCl5 + 4H2O → H3PO4 + 5HClAccording to the equation, for every 5 moles of HCl produced, 4 moles of water are needed. Therefore, you can set up a proportion to calculate the moles of water:
Solving for x gives you the number of moles of water that reacted:
x = (3.45 moles HCl × 4 moles H2O) / 5Thus, x = 2.76 moles of H2O.
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a. Sn.
b. N.
c. S.
d. Na.
Answer:
The empirical formula of P4O10 is P2O5 . This is arrived at by dividing both subscripts by their highest common factor 2.
Explanation:
Empirical Formula of a compound is the lowest whole number ratio between the compound elements it is sometimes different from the standard formula of the compound).
The molecular formula is the formula derived from molecules and is representative of the total number of individual atoms present in a molecule of a compound.The empirical formula of the compound whose molecular formula is P₄O₁₀ is P₂O₅.
The empirical formula of a compound provides the simplest ratio of the number of various atoms present. It is an empirical formula if it has been simplified. The molecular formula is commonly used and is a multiple of the empirical formula.
Molecular Formula = n × Empirical Formula
On dividing both the subscripts of the formula P₄O₁₀ by 2 we get the empirical formula as P₂O₅.
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(B) C₂H₂
(C) CH₄
(D) H₂O
(E) C₂H6₆