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olga2289 [7]
3 years ago
12

What is three example of technology

Physics
1 answer:
alex41 [277]3 years ago
6 0
Computers, cell phones, and television
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Students in a chemistry class added 5g of zinc (Zn) to 50g of hydrochloric acid (HCl). A chemical reaction occurred that produce
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10. 36 g ZnCl2

Explanation:

Zn + 2HCl  -> ZnCl2 + H2

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3 mol H2

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1 mol Zn        -> 1 mol ZnCl2

0.076 mol Zn  ->x                         x= 0.076 mol ZnCl2=10.36 g

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What is the formula to calculate the thickness of a test tube?​
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Having the inside dimensions (ID) and the outside dimensions (OD) will allow you to figure out the wall thickness on tubing. You would need to subtract the ID from the OD and then divide by two. This number is the wall thickness.

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D. All of the above

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