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stich3 [128]
3 years ago
7

Select the correct answer.

Chemistry
1 answer:
Lera25 [3.4K]3 years ago
3 0

Answer:

1s^{2}2s^{2}2p^{6}3s^{2}3p^{4}

Explanation:

S is in 3d period, so it has 3 levels

1 level has 2 electrons, 2d level 8 electrons, 3d level 6 electrons

1s^{2}2s^{2}2p^{6}3s^{2}3p^{4}

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2 years ago
What volume and mass of steam at 100 Celsius and 760. torr (or 1 atm) would release the same amount of energy as heat during con
erastova [34]
  
<span>As we know that
1 cu cm H2O = 1 mL H2O = 1g H2O 
now

Heat of fusion of water = 79.8 cal/g 
and

Heat of vaporization of water = 540 cal/g 

Atomic weight of water : H=1 O=16 H2O=18 
now by calculating and putting values

65.5gH2O x 79.8cal/gH2O x 1gH2O/540cal = 9.68g H2O (steam) 

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hope it helps</span>
3 0
3 years ago
Read 2 more answers
Consider the reaction: 2A(g)+B(g)→3C(g). When A is changing at a rate of -0.110M⋅s−1, How fast is C increasing?
mr_godi [17]
From the reaction above, the rate is given by the following formula:
r = -(1/2) dA / dt = - dB / dt = (1/3) dC/ dt
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given dA / dt = -0.110 M/s
hence dB / dt = -0.110 / 2 = -0.055 M/s
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3 years ago
How does a scientific theory differ from a guess or an opinion?​
natima [27]

Answer:

Scientific theory differs from a guess or opinion because a scientific theory is a system of ideas that explains many related observation and is supported by a large body of evidence acquired through scientific investigation while guesses and opinions may not reliably predict an outcome, have evidence to back up the theory

Explanation:

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Answer:

c

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I think it is right not sure but hope it helped

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