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Luden [163]
3 years ago
8

What's the difference and similarity between O2 and 2 O ?

Physics
1 answer:
nasty-shy [4]3 years ago
4 0
O2 refers to two oxygen atoms bonded together, while 2 O refers to two oxygen atoms that are not bonded to each other. They both have two oxygen atoms, but in O2, the oxygen atoms are bonded, while in 2O, the atoms are not.
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A passenger jet travels from Los angles to Bombay, India, in 22 h. The return flight takes 17 h. The difference in flight times
Hoochie [10]

Answer:

70.5 mph

Explanation:

A passenger jet travels from Los Angeles to Bombay, India, in 22h.

The return flight takes 17 h.

The difference in flight times is caused by winds over the Pacific Ocean that

blow primarily from west to east.

If the jet's average speed in still air is 550 mi/h what is the average speed

of the wind during the round trip flight? Round to the nearest mile per hour.

Is your answer reasonable?

:

Let w = speed of the wind

:

Write a distance equation (dist is the same both ways

17(550+w) = 22(550-w)

9350 + 17w = 12100 - 22w

17w + 22w = 12100 - 9350

39w = 2750

W = 2750/39

w = 70.5 mph seems very reasonable

:

Confirming if the solution by finding the distances using these value

17(550+70.5) = 10549 mi

22(550-70.5) = 10549 mi; confirms our solution of w = 70.5 mph

6 0
3 years ago
Object A and object B are moving with the same momentum. Which of the following statements must be true?
nordsb [41]

The FIRST statement on the list is the definition of momentum, so that's the one that must be true.

5 0
3 years ago
Select the correct answer
Rasek [7]

Answer:

I would say the net force acting on the car is in the opposite direction of the car's motion  is correct

5 0
2 years ago
Read 2 more answers
40 points and brainliest plz helppp luv yah thxx
jok3333 [9.3K]

Answer:

hey want you to separate the energy’s and put them in the categories they go in like why are They different what is chemically different about them? Etc.why do they act differently.. do they act the same in some ways? Think about that

Explanation:

7 0
3 years ago
Which comparison is correct?
AleksandrR [38]

Considering their pKa, we can affirm that PH₃ is a stronger acid than NH₃.

We want to compare the strength of different acids. To do so, we need to compare their pKa.

<h3>What is the pKa?</h3>

The pKa is the negative base 10 logarithm of the acid dissociation constant, Ka.

The lower the pKa, the stronger the acid.

Which comparison is correct?

  • HF is a stronger acid than HCI. FALSE. The pKa of HF is 3.1. and the pKa of HCl is 6.0.
  • H₂S is a stronger acid than HCI. FALSE. The pKa₁ of H₂S is 7.04. and the pKa of HCl is 6.0.
  • PH₃ is a stronger acid than NH₃. TRUE. The pKa of PH₃ is -5.5  and the pKa of NH₃ is 9.9.
  • NH₃ is a stronger acid than HF. FALSE. The pKa of NH₃ is 9.9 and the pKa of HF is 3.1.

Considering their pKa, we can affirm that PH₃ is a stronger acid than NH₃.

Learn more about pKa here: brainly.com/question/13608171

4 0
3 years ago
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