Answer:
The HWA attacks eastern hemlock trees in forests and ornamental hemlock trees found in our residential landscaping. It feeds on the hemlock trees' young twigs by sucking the sap, causing their buds to die and needles to dry out and drop from the plant prematurely i think
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<u>Answer:</u> The mass of oxygen reacted is
<u>Explanation:</u>
We are given:
Moles of propane = 9.98 mol
For the given chemical equation:
By Stoichiometry of the reaction:
1 mole of propane reacts with 5 moles of oxygen.
So, 9.98 moles of propane will react with = of oxygen.
To calculate the mass of carbon dioxide, we use the equation:
Moles of oxygen = 49.9 moles
Molar mass of oxygen gas = 32 g/mol
Putting values in above equation:
Hence, the mass of oxygen reacted is
A typical triple bond consists of one sigma and two pi bonds.
Sedimentary, igneous and metamorphic
Answer:
Given,
Maas of the man = 80 kg
Percentage of water molecules it contains = 70%
Therefore,
Total no. of water molecules mass present in our human body
Answer - The total number of water molecules present in our body is 56 kg.
Hope it helps you!!
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