Answer:
The Sun is the primary source of energy that influences any planet's temperature, including Earth. The amount of energy received from the Sun is called insolation; the ratio reflected is called the albedo.
Explanation:
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+2
Barium has a positive charge of 2
Answer:
8.20 % → Percent yield reaction
Explanation:
To find the percent yield of reaction we apply this:
(Produced yield / Theoretical yield) . 100 = %
Produced yield = 112.9 g
Theoretical yield = 1375.5 g
We replace → (112.9g / 1375.5 g) . 100
8.20 % → Percent yield reaction
Answer:
This question is incomplete
Explanation:
The process described in which the solution absorbs thermal energy is referred to endothermic reaction. Endothermic reaction is a reaction that absorbs heat/thermal energy.
The other two processes mentioned will have to be determined based on the options provided. However, what appears to be the case, based on the construction of the question, is that the question describes types of saturation (saturated, unsaturated and supersaturated solutions).
Saturated solution: This is a solution that contains just the amount of solute that that the solvent can dissolve and any further addition of solute will leave the solute undissolved at the floor/base of the solution.
Unsaturated solution: This is a solution that contains less solute than the solvent can actually dissolves
Supersaturated solution: This is a solution that contains more solute than the solvent can dissolve, leaving the undissolved solute around the solution.
Answer:
a) NH3/NH4Cl (pKa = 9.25)
b)
c)
Explanation:
Hello,
a) In this case, for a buffering capacity, if we want to select the best buffer, we should ensure that the buffer's pKa approaches the desired pH, therefore, since the buffer NH3/NH4Cl has a pKa of 9.25 that is very close to the desired pH of 9.10, we can pick it as the best choice.
b) In this case, we use the Henderson-Hasselbach equation in order to compute the molar ratio:
c) Finally, for the ratio of masses, we use the molar mass of both ammonia as the base (17 g/mol) and ammonium chloride as the acid (53.45 g/mol) to compute it, assuming 1.00 L as the volume of the solution:
Regards.