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timama [110]
2 years ago
5

When choosing a respirator for your job, you must conduct a _____ test.

Chemistry
1 answer:
Lina20 [59]2 years ago
4 0
(B) breathing (test)
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Cu + 2AgNO3 es002-1.jpg 2Ag + Cu(NO3)2 How many moles of copper must react to form 0.854 mol Ag?
marin [14]
Balance Chemical Equation is as follow,

<span>                        Cu + 2 AgNO</span>₃     →    2 Ag + Cu(NO₃)₂

According to Balance Equation,

                   2 Moles of Ag is produced by reacting  =  1 Mole of Cu
So, 
     0.854 Moles of Ag will be produced by reacting  =  X Moles of Cu

Solving for X,
                             X  =  (0.854 mol × 1 mol) ÷ 2 mol

                             X  =  0.427 Moles of Cu
Result:
            0.854 Moles of Ag 
are produced by reacting 0.427 Moles of Cu.
4 0
2 years ago
How many structures are possible for a trigonal bipyramidal molecule with a formula of ax3y2?
ryzh [129]
Check the attached file for the answer.

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2 years ago
Which term describes the maintenance of a steady internal state in the body?
Sonja [21]
B, homeostasis. “Homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems.”
5 0
2 years ago
How many sulfur atoms would be present in 41.8 moles of sulfur?
Montano1993 [528]

Answer:

2.51 x 10*25 atoms

6 0
2 years ago
Specific Heat of Water= 4.186 J/g°C
guajiro [1.7K]

The answer is C

NOT D

DONT BE FOOLED

4 0
2 years ago
Read 2 more answers
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