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JulijaS [17]
3 years ago
14

The wastewater in your home goes to one of three places. It can run into a home septic system, it can go to a centralized sewage

treatment plant, or it might be directly discharged into a body of water. Where does your water go after it goes down the drain?
Chemistry
2 answers:
skelet666 [1.2K]3 years ago
7 0
I think b. Discharged into a body of water
NemiM [27]3 years ago
5 0

Answer:

                                                 

Explanation:

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Which of the following is a valid conversion factor? (3 points)
Natali5045456 [20]
1,000 mL/ 1 L
Your last option
5 0
3 years ago
Commercial concentrated aqueous ammonia is 28% nh3 by mass and has a density of 0.90 g/ml. what is the concentration of ammonia
patriot [66]

Answer:- 14.9 M

Solution:- Given commercial sample of ammonia is 28% by mass. Let's say we have 100 grams of the sample. Then mass of ammonia would be 28 grams.

Density of the solution is given as 0.90 grams per mL.

From the mass and density we could calculate the volume of the solution as:

100g(\frac{1mL}{0.90g})

= 111 mL

Let's convert the volume from mL to L as molarity is moles of solute per liter of solution.

111mL(\frac{1L}{1000mL})  

= 0.111 L

Now, we convert grams of ammonia to moles on dividing the grams by molar mass. Molar mass of ammonia is 17 gram per mole.

28g(\frac{1mole}{17g})

= 1.65 mole

To calculate the molarity we divide the moles of ammonia by the liters of solution:

molarity=\frac{1.65mole}{0.111L}

= 14.9 M

So, the molarity of the given commercial sample of ammonia is 14.9 M.

5 0
3 years ago
Wat is significant figures
Sav [38]

<em>Answer:</em>

  •                   0.052301 km have 5 significant figure
  •                   400 cm have 1 significant figure
  •                   50.0 m  have 3 significant figure
  •                  4500.01 ml have 6 significant figure

<em>Explanation:</em>

According to rules of significant figure

0.052301 km have 5 significant figure:

  • Zero to the left of the first non zero digit not significant.
  • Zero between the non zero digits are significant.

<em>400 cm have 1 significant figure:</em>

  • Trailing zeros are not significant in numbers without decimal points.

<em>50.0 m  have 3 significant figure:</em>

  • Trailing zeros are significant in numbers when there is decimal points.

<em>4500.01 ml have 6 significant figure:</em>

  • Zero between the non zero digits are significant.
4 0
3 years ago
An organism that regulates its body temperature using external heat sources is an example of
katovenus [111]
A cold-blooded animal. Cold-blooded animals can't generate heat themselves so they have to use external sources to keep them warm.
6 0
3 years ago
Read 2 more answers
A radiometer is shown below. When infrared light passes through the radiometer
natita [175]
We can’t see the pic
4 0
3 years ago
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