1 molecule of C3H7O has 7 atoms of hydrogen (remember that the numbers to the right of each symbol ara subscripts and they indicate the number of atoms of that element in the molecular formula).
Then 5 molecules will have 5 * 7 atoms of hydrogen.
5 * 7 = 35.
Then the answer is that there are 35 atoms of hydrogen in 5 molecules of isopropyl alcohol, C3H7O
The primary form of heat transfer taking place within the water bottle will be convection, which is the natural circulation of fluid due to density differences arising from temperature differences.
The second form is dependent on how the heating is taking place. If the bottle is out in sunlight, the form of heat transfer is radiation from the sun's rays. If heat is directly being applied to it, then the form is conduction, which occurs in solids and through direct contact.
Answer:
Carbon
Explanation:
Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates.
<span>1.
</span>The balanced reaction is:<span>
Mg (s) + 2HCl (aq)
--> MgCl 2 (aq) + H 2 (g)
We
are given the amount hydrochloric acid to be used for the reaction. This will
be the starting point of the calculation.
40.0 g
HCl ( 1 mol HCl / 36.46 g HCl)
(1 mol H2 / 2 mol HCl) (2.02 g H2 / 1 mol H2) = 1.11 g H2</span>
Molar mass CuSO4.5H2<span>O => 249.685 g/mol
Volume in liters => 100 mL / 1000 => 0.1 L
</span>
1 L ----------------- 0.05 M
0.1 L -------------- ?? ( moles of <span>copper sulfate pentahydrate )
</span>
0.1 x 0.05 / 1 => 0.005 moles
1 mole ------------- <span> 249.685 g
</span>0.005 moles ------- ( mass of <span>copper sulfate pentahydrate )
</span>
0.005 x 249.685 / 1 => 1.28425 g CuSO4.5H2<span>O
</span>
hope this helps!