Answer:
1.2044 × 10^24 oxygen atoms
Explanation:
To convert from moles to atoms, simply multiply the number of moles by Avogadro's number, 6.022 × 10^23
2 × 6.022 × 10^23
=1.2044 × 10^24
The volume of the granite as determined by water displacement is 9.35 mL. This value in cm³ is 9.35cm³.
<h3>How to calculate volume in cm³?</h3>
The conversion factor of mL and cm³ is given as follows: 1 mL = 1 cm³
According to this question, the volume of the granite as determined by water displacement is 9.35 mL.
This value in cm³ can be converted as follows:
9.35mL × 1 = 9.35cm³
Therefore, the volume of the granite as determined by water displacement is 9.35 mL. This value in cm³ is 9.35cm³.
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Answer:
The correct answer is 29 grams.
Explanation:
Based on the given question, the reaction will be,
CH3CH=CHCH3 + H2 ⇒ CH3CH2CH2CH3
The molecular weight of butene is 56 grams per mole, and the molecular weight of butane is 58 grams per mole.
Thus, it can be said that 56 grams of butene reacts with hydrogen gas and produces 58 grams of butane.
Therefore, 28 grams of butene when reacts with hydrogen gas to give,
= 58/56 * 28 = 29 grams of butane.
Hence, the mass of butane produced will be 29 grams.
The Answer for this question is : A
1 & 2
There are 2 sig figs in 0.092