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yKpoI14uk [10]
3 years ago
14

If you look at the reflection of your face on the back of a spoon, your face will be right-side up. If you flip the spoon to the

other side, though, the reflection of your face will be upside down!
Why do you think your reflection is different when you look at either side of the spoon?
Chemistry
2 answers:
almond37 [142]3 years ago
4 0
Uhhhhhhhhhhhhh iiiii ddddooonnnnnttt knows
salantis [7]3 years ago
3 0

Answer:

the bottom of the inner side is reflecting upwards.

Explanation:

basically, the underside reflects up and the upper side reflects down so it appears to be an upside down reflection :) i hope this helps, have a wonderful day

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How many moles of ammonium ions are in 125 mL of 1.40 M NH4NO3 solution? ________ moles (give answer with correct sig figs in un
Sholpan [36]

The number of mole of ammonium ion, NH₄⁺ in the solution is 0.175 mole

We'll begin by calculating the number of mole of NH₄NO₃ in the solution. This can be obtained as follow:

Volume = 125 mL = 125 / 1000 = 0.125 L

Molarity = 1.40 M

<h3>Mole of NH₄NO₃ =? </h3>

Mole = Molarity x Volume

Mole of NH₄NO₃ = 1.40 × 0.125

<h3>Mole of NH₄NO₃ = 0.175 mole</h3>

Finally, we shall determine the number of mole of ammonium ion, NH₄⁺ in the solution. This can be obtained as follow:

NH₄NO₃(aq) —> NH₄⁺(aq) + NO₃¯(aq)

From the balanced equation above,

1 mole of NH₄NO₃ contains 1 mole of NH₄⁺

Therefore,

0.175 mole of NH₄NO₃ will also contain 0.175 mole of NH₄⁺

Thus, the number of mole of ammonium ion, NH₄⁺ in the solution is 0.175 mole

Learn more: brainly.com/question/25469095

3 0
2 years ago
Help me get this right no links
ira [324]

Answer:

the rise and fall is the tides.

6 0
3 years ago
Given the following reaction:
fredd [130]

Answer:D. In order to restore equilibrium, the reaction shifts right, towards products

Explanation:

7 0
2 years ago
Calculate the volume of oxygen required to burn 12.00 l of ethane gas, c2h6, to produce carbon dioxide and water, if the volumes
kirza4 [7]
The  volume of   oxygen required  to  burn  12.00 L  ethane is calculated  as  follows

find the moles  of C2H6  used

At  STP  1 mole  is  always =  22.4 L, what about  12.00 L

= ( 12.00L  x 1 moles)  22.4 L = 0.536  moles

write the   reacting equation

2C2H6+  7O2 = 4CO2  + 6H2O
by  use  of mole  ratio  between  C2H6 :O2   which is 2:7  the  moles  of O2 

= 0.536  x7/2=  1.876  moles

again  at  STP  1mole =  22.4 L  what  about 1.876 moles

=    22.4 L x 1.876  moles/ 1 mole =  42.02 L


8 0
3 years ago
Which grouping of the three phases of chlorine is listed in order from left to right for increasing distance between chlorine mo
GenaCL600 [577]
Answer:
Solid, Liquid, Gas

Hope it helps! ^^

8 0
3 years ago
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