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Shtirlitz [24]
3 years ago
5

Flag question

Chemistry
2 answers:
miss Akunina [59]3 years ago
5 0
The answer is B: sediment
Ghella [55]3 years ago
3 0

Answer:

B sediment

Explanation:

The excess mileage leads to additional pollution. Car exhaust contains toxic gases, and car fluids often leak (oil drips, antifreeze leaks, etc...). The exhaust also contains nitrogen oxide, which can lead to nutrient-related problems in the environment.

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Help me answer this chemistry question. thank you!
mixas84 [53]

Answer:

electrons are neutral

Explanation:

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8 0
2 years ago
A 250. ML sample of 0.3M HCl is partially neutralized by the addition of 100. ML of 0.25M NaOH.Find the concentration of hydroch
GuDViN [60]

Answer:- 0.143 M

Solution:- HCl and NaOH reacts in 1:1 mol ratio as shown in the below reaction:

HCl(aq)+NaOH(aq)\rightleftharpoons NaCl(aq)+H_2O(l)

Let's calculate the initial moles of HCl and the moles of NaOH added to it:

250.mL(\frac{1L}{1000mL})(\frac{0.3molHCl}{1L})

= 0.075 mol HCl

100.mL(\frac{1L}{1000mL})(\frac{0.25molNaOH}{1L})

= 0.025 mol NaOH

Since they react in 1:1 mol ratio, 0.025 mol of NaOH will react with 0.025 moles of HCl.

Remaining moles of HCl = 0.075 - 0.025 = 0.050

Total volume of the solution = 0.250 L + 0.100 L = 0.350 L

So, the concentration of HCl in the resulting solution = \frac{0.050mol}{0.350L}

= 0.143 M

Hence, the concentration of HCl acid in the resulting solution is 0.143 M.

5 0
3 years ago
state how matter moves through the biosphere. state how energy moves through the biospere. explian each statement using examples
lidiya [134]
<span>Solar energy arrives and is converted into chemical energy by plants which is eaten by animals and converted again and the animal is either eaten by another animal or dies and is broken down by decomposers and the energy is converted back into basic elements for plants to feed off of with the help of solar energy hence the cycle starts again

sorry this is all i know i hope it helps</span>
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3 years ago
What is the longest day of the year?
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the summer solstice should be your answer

6 0
3 years ago
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What is the pressure of nitrogen in atmospheres of a sample that is at 516.0 mm hg?
Masteriza [31]

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2 years ago
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