.
<h3>Explanation</h3>
Units of each quantity:
- <em>P</em> = 28 atm;
- <em>V</em> = 0.045 L;
- <em>n</em> = 0.020 mol;
Ideal gas constant:
.
Apply the ideal gas law:
.
All data given in this question come with two significant figures. Round the value of <em>T</em> to two significant figures:
.
Answer:
When the following equation is balanced, what is the coefficient for HCl? Mg(s) + HCl(aq) -> MgCl2(aq) + H2(g) . 2. What are the coefficients that will balance the skeleton equation below? AlCl3 + NaOH -> Al(OH)3 + NaCl.
It would be in the fourth shell.
Answer:
It's C because Metamorphic rocks were once igneous rocks. And, because Gneiss which is a Metamorphic rock has crystals inside of it.
The answer is (4) at the cathode, where reduction occurs. The Na+ gains one electron and become Na(l). So the reaction occurs at cathode and is reduction reaction.
