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Firdavs [7]
3 years ago
13

Is it worth it? In other words, will the benefits we receive from an action be worth the costs? The process of weighing these de

cisions is called a . For example, if an organization wants to remove 10 acres of forest to build a mall they must look at the (money and resources needed) versus the (what will the mall bring). Often, there are also unwanted or unknown consequences, or , of an action. These can be positive, such as the mall intends to have a recycling program. Others can be negative, such as the for a native songbird.
Chemistry
1 answer:
diamong [38]3 years ago
7 0

Answer: I need the answer

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3 years ago
Each Excedrin tablet contains 250 mg aspirin (ACE), 250 mg of acetaminophen (ACE), and 65 mg of caffeine (CAF). Calculate the th
yawa3891 [41]

Answer:

a) 37.04%  b) 37.04%  c) 9.63%

Explanation:

The theoretical percent recovery (Tr), is the total percentage of each compound in the sample. Depending on the technique used to recovery the compounds, the percent recovery will be less than the theoretical, because no technique is 100% efficient.

So, to calculate the theoretical, it will be the mass of the compound divided by the mass of the sample multiplied by 100%.

a) Tr = (250 mg)/(675 mg) * 100%

Tr = 37.04%

b) Tr = (250 mg)/(675 mg) * 100%

Tr = 37.04%

c) Tr = (65 mg)/(675 mg) * 100%

Tr = 9.63%

3 0
4 years ago
3) Which of the following is a true statement
Hitman42 [59]

Answer:

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Explanation:

3 0
4 years ago
The solid XY decomposes into gaseous X and Y: XY(s) m X(g) + Y(g) Kp = 4.1 (at 0 °C) If the reaction is carried out in a 22.4 L
tia_tia [17]

Answer:

None of the conditions will favor either the forward reaction or backward reaction , hence the answer is D

Explanation:

  • The principle of chemical Equilibrium is applied here, where the concentration of the reactants or the forward reaction is same as the concentration of the products or the backward reaction.

  • The equilibrium constants is also involved here, K can be in terms of pressure (Kp) or concentration (Kc) hence equilibrium constant is the ration of the concentration of the products to the concentration of the reactants raised to the power of the coefficient of the reactants and products.
  • Partial pressure , total pressure and the mole fraction relationship is also applied
  • The step by step explanation is as shown in the attachment below.

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3 years ago
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