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Alex Ar [27]
3 years ago
12

What advice would you give a person who handles hydrogen and oxygen in their workplace?

Chemistry
1 answer:
zzz [600]3 years ago
3 0
BE CAREFUL! If it is a controlled lab wear saftey equiptment. But it can blow up. So careful...
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What is an open-loop system?
Naddika [18.5K]

A.  A group of related objects that do not send out or receive feedback and cannot modify themselves

Explanation:

An open-loop system is a a group of related objects or systems that cannot send out or receive feedback and modify themselves.

  • It is a non-feedback system.
  • In this system, the output control system has no effect on whatever input that is fed into the system.
  • Output and input in such systems are independent of one another.
  • The input and output has no control whatever on each other.

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takes Mrs. Pare' three hours to drive 175 miles from her house in Pennsylvania to her house in Maryland. What is her average spe
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Why do electrons enter the 4s orbital before entering the 3d orbital?
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Answer:

C. because the 4s orbital is at a lower energy level

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Help!!! Acids and Bases
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3 years ago
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12 Ethene gas, CH is completely burned in excess oxygen to form carbon dioxide and water
Natali [406]

Answer:

12 Ethene gas, CH is completely burned in excess oxygen to form carbon dioxide and water

The equation for this exothermic reaction is shown.

CH 30, - 200, 2H,0

The table shows the bond energies involved in the reaction

bond

bond energy

(kJ/moly

614

413

C-C

CHH

0 0

СО

495

799

O-H

467

What is the total energy change in this reaction?

A-954 kJ/mol

B-1010 kJ/mol

C-1313 kJ/mol

D-1359 kJ/mol

Explanation:

thats all you said

5 0
3 years ago
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