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yulyashka [42]
3 years ago
9

The graph shows a car's velocity over time. Velocity versus Time 60 40 Velocity, in mph forward 30 20 10 4 1 2 3 5 G Time, in se

conds (s) What is the car's acceleration from 0 to 1 second? A. 8 mph/s B. 60 mph/s C. 10 mph/s D. 20 mph/s​

Chemistry
2 answers:
ivanzaharov [21]3 years ago
8 0
It is number two bc I can know
inna [77]3 years ago
7 0

Answer:D. 20mph/s

Explanation: I got it correct on A P E X

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What is the pH of a solution with a hydrogen ion concentration of 4.5 x<br> 10-6 M ?
Fittoniya [83]

Answer:

<h2>5.35 </h2>

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ {H}^{+} ]

We have

pH =  -  log(4.5 \times  {10}^{ - 6} )  \\  = 5.346787...

We have the final answer as

<h3>5.35 </h3>

Hope this helps you

6 0
3 years ago
Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Ba
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D an example of polygenic inheritance

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6 0
3 years ago
When pcl5 solidifies it forms pcl4 cations and pcl6–anions. according to valence bond theory, what hybrid orbitals are used by p
SSSSS [86.1K]

When pcl5 solidifies it forms pcl4 cations and pcl6–anions. according to valence bond theory, hybrid orbitals that  are used by phosphorus in the pcl4 cations are one orbital of s and three orbital of p as it is sp³hydridised.

<h3>What is sp³ hybridization?</h3>

Hybridization is a process or system which specifies the shape and geometry of any element or molecule with bond angles too.

The pcl4 cation is sp³ hybridized because of the phosphorus behave as a central atom here and the 4 chloride molecules are attached with the p- orbitals to the phosphorus molecule.

Therefore, pcl4 cation  is sp³ hybridized.

Learn more about sp³ hybridization, here :

brainly.com/question/13062274

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5 0
2 years ago
What were the purposes of this document? Check all that apply. to extend the rights of sovereignty to all states in the Union to
Dmitrij [34]

Answer:

Sorry that I'm late but the correct answers are to dissolve the political bonds between Louisiana and the united states and to  declare that Louisiana was a free and independent state, or D and E

Explanation:

7 0
3 years ago
Read 2 more answers
Which atomic property is different in each isotope of an element?
Valentin [98]
Every isotope of an element has a different number of neutrons, which means that the atomic property which is different in each isotope of an element is mass number.
Mass number depends on the number of neutrons in an element.
6 0
3 years ago
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