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Rudiy27
3 years ago
9

Find the mass in grams of 2.00 * 10 ^ 23 molecules of dinitrogen pentoxide gas.

Chemistry
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:

idk srr :(

Explanation:

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PLEASE HELP!!!!!!!!!! DOING A TEST
Nastasia [14]
D is the correct answer
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3 years ago
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Light bulbs transform electrical energy to light energy. No energy transformation is 100%. Thus, in the transfer from electrical
arlik [135]

Answer: a

Explanation: usa test prep said it was right

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The reaction of Pb+4 and O-2 produces the compound of
vovikov84 [41]

Answer:

Pb₂O₄

                               

Explanation:

The given species are:

        Pb⁴⁺               O²⁻  

Now, to solve this problem, we use the combining powers which corresponds to the number of electrons usually lost or gained or shared by atoms during the course of a chemical combination.

                                          Pb⁴⁺               O²⁻  

Combining power               4                    2

Exchange of valencies        2                    4

Now the molecular formula is  Pb₂O₄

                               

4 0
3 years ago
What was the initial temperature of a gas contained in a 2.0-L bottle at a pressure of 1.00 atm if it was placed under vacuum an
lesya692 [45]
V1/T1 = V2/T2 

Substitute the value use ratio and proportion. Use calculator. 

V1 = (V2 x T1) / T2

1 is initial, 2 is final
4 0
3 years ago
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
3 years ago
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