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tatyana61 [14]
1 year ago
6

What is a insect and name one.

Chemistry
2 answers:
lidiya [134]1 year ago
7 0

Answer:

a ladybug I hope this helps you

ollegr [7]1 year ago
4 0

<u><em>Heh this is easy *anim~e glasses turn white as he activates his smarts*</em></u>

<u><em></em></u>

<u><em></em></u>

<u><em>a small arthropod animal that has six legs and generally one or two pairs of wings</em></u>

<u><em></em></u>

<u><em>name one? easy as ever</em></u>

<u><em></em></u>

<u><em>dragon fly</em></u>

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Please help ASAP I will give Brainliest
MaRussiya [10]

Answer:

17.6 grams of nitrogen gas

4 0
3 years ago
A solution is made by combining 500 mL of 0.10 M HF (Ka=7.2 x 10^-4) with 300 mL of 0.15 M NaF. What is the pH of the resulting
n200080 [17]

Answer:

b) 3.10

Explanation:

HF ⇄ H + + F

Using Henderson-Hasselbalch Equation:

pH = pKa + log [A-]/[HA].

Where;

pKa = Dissociation constant = -log Ka

Hence, pKa of HF = -log 7.2 x 10^-4 = 3.14266

[A-] = concentration of conjugate base after dissociation = moles of base/total volume

          = 0.15 x 0.3/0.8

               = 0.05625 M

[HA] = concentration of the acid = moles of acid/total volume

             = 0.10 x 0.5/0.8

                    = 0.0625 M

Note: <em>Total volume = 500 + 300 = 800 mL = 0.8 dm3</em>

pH = 3.14266 + log [0.05625/0.0625]

      = 3.14267 + (-0.04575749056)

           = 3.09691250944

<em>From all the available options below:</em>

<em>a) 2.97 </em>

<em>b) 3.10 </em>

<em>c) 3.19 </em>

<em>d) 3.22 </em>

<em>e) 3.32</em>

The correct option is b.

4 0
3 years ago
I don't understand what the answer choices mean
vodomira [7]

CO  HOPE THIS HELPS ;)

8 0
3 years ago
Which of the following is not a characteristic of a solution?What is the concentration of a solution?
vladimir2022 [97]

Answer: B. it will scatter a beam of light

Explanation: hope it is helpful........

3 0
2 years ago
Radioactive isotopes of an atom are
nikdorinn [45]
Less stable should be the answer.as I think
I hope this helps you
5 0
3 years ago
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