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aalyn [17]
3 years ago
12

Air becomes wind as it flows from a. low pressure to low pressure. c. low pressure to high pressure. b. high pressure to high pr

essure. d. high pressure to low pressure. Please select the best answer from the choices provided A B C D
Chemistry
1 answer:
Dimas [21]3 years ago
7 0

Answer:

D. high pressure to low pressure.

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Which of the following describes how air resistance affects the motion of a falling object?(1 point) Air resistance may change t
inessss [21]

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Air resistance opposes the gravity in a falling object hence the object loses speed once it reaches terminal velocity.

According to the experim

6 0
1 year ago
The hypothetical elements shown here (figures a–d) do not include hydrogen or helium. Which element would you expect to bond cov
Marizza181 [45]
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The melting point of unknown substance A is 15°C and its boiling point is 95°C. Sketch a
Igoryamba

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Idk if this is right but i hope it helps... sorry if it's wrong

Explanation:

4 0
3 years ago
Which rule for assigning oxidation numbers IS correct?
Vilka [71]

Answer:

B.) Oxygen is usually -2

Explanation:

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A pure group 1 element is not always +1.

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3 0
1 year ago
What is the ratio of lactic acid (Ka = 1.37x^10-4) to lactate in a solution with pH =4.29
hram777 [196]

Henderson–Hasselbalch equation is given as,

                                         pH  =  pKa  +  log [A⁻] / [HA]   -------- (1)

Solution:

Convert Ka into pKa,

                                         pKa  =  -log Ka

                                         pKa  =  -log 1.37 × 10⁻⁴

                                         pKa  =  3.863

Putting value of pKa and pH in eq.1,

                                         4.29  =  3.863 + log [lactate] / [lactic acid]

Or,

                   log [lactate] / [lactic acid]  =  4.29 - 3.863

                   log [lactate] / [lactic acid]  =  0.427

Taking Anti log,

                             [lactate] / [lactic acid]  =  2.673

Result:

           2.673 M  lactate salt when mixed with 1 M Lactic acid produces a buffer of pH = 4.29.

6 0
3 years ago
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