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Hitman42 [59]
3 years ago
5

Natasha is looking for a material to make tires for a new jogging stroller she designed. which would be best suited to her produ

ct?
A.polystyrene foam
B.nylon
C.polyethylene
D.vulcanized rubber
Chemistry
2 answers:
Vedmedyk [2.9K]3 years ago
6 0

Answer:

1B a silver Chain

2B the thread that connects the pearls is like an ionic bond

3B Polystyrene

5 A Synthetic polymers are lightweight

6 A it's lack of mass production

Explanation:

Hope this helps :D

Stels [109]3 years ago
5 0

Answer:

D

Explanation: please leave a like and a good rating!

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What is the most important role that water plays for living organisms
LuckyWell [14K]

-well, we all need water as living organisms in order to live. water helps us clean our body (just like you clean yourself in a shower to clean your skin),but drinking water helps you to take a shower inside your body! (sounds weird but true XD) you get the point... here are a few things water does to our body:

- water helps helps our skin to look beautiful (you can say youthful skin) and even beauty itself.

- it trashes body waste and toxins (like i said above)

- it gives us nutrients and minerals

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4 0
3 years ago
HELP HELP ME PLSS
Akimi4 [234]

Answer:

the average answer in maybe 60

6 0
3 years ago
What is the radius of a circle i<br>s ​
Nonamiya [84]

Answer:

The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.

6 0
3 years ago
Read 2 more answers
An electron has an uncertainty in its position of 513 pm. What is the uncertainty in its velocity?
ella [17]
"The uncertainty<span> in </span>velocity<span> is Δv=1.05⋅105m/s . According to the Heisenberg </span>Uncertainty<span> Principle, you cannot measure simultaneously with great precision both the momentum and the position of a particle. m - the mass of an electron - 9.10938⋅10−31kg." 
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7 0
3 years ago
If equal volumes of 0.1 M HCl and 0.2 M TRIS (base form) are mixed together. The pKa of TRIS is 8.30. Which of the following sta
blondinia [14]

Answer:

option D is correct

D. This solution is a good buffer.

Explanation:

TRIS (HOCH_{2})_{3}CNH_{2}

if TRIS is react with HCL it will form salt

(HOCH_{2})_{3}CNH_{2} + HCL ⇆   (HOCH_{2})_{3}NH_{3}CL

Let the reference volume is 100

Mole of TRIS is =  100 × 0.2 = 20

Mole of HCL is =  100 × 0.1 = 10

In the reaction all of the HCL will Consumed,10 moles of the salt will form

and 10 mole of TRIS will left

hence , Final product will be salt +TRIS(9 base)

H = Pk_{a} + log (base/ acid)

8.3 + log(10/10)

8.3

6 0
3 years ago
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