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shutvik [7]
3 years ago
9

How many molecules of CO2 would 700g be?

Chemistry
1 answer:
podryga [215]3 years ago
6 0

Answer:

13

Explanation:

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Hawaii, which sits over a hot spot located near the center of the Pacific
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Shield Volcano . I've been their before

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3 years ago
Select all that apply. The electron configurations of some elements are given. Based on the electron configurations which elemen
erma4kov [3.2K]

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correct option: A and D

Explanation:

generally element from d block can for ion with multiple charge and having incomplete outershell means element do not have fullfiled or half filed orbital because in these case it takes more energy to remove valence shell electron.

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3 years ago
Solve the following problem. Give your answer to the correct number of significant figures. a. 20.0 meters x 0012.65 meters b. 0
Nezavi [6.7K]

Explanation:

For multiplication or division, the rule is to count the number of significant figures in each number being multiplied or divided and then limit the significant figures in the answer to the lowest count.

a. 20.0 meters x 0012.65 meters

The numbers are;

20.0 (3 s.f) and 12.65 (4 s.f)

The multiplication gives; 253

Since 253 is already in 3 s.f, that's the answer.

b. 002.5 × 103 meters + 3.50 × 102 meters

The numbers are;

002.5 (2 s.f), 103 (3 s.f), 3.50 (3 s.f) and 102 (3 s.f)

002.5 × 103 = 257.5 = 260 (2 s.f)

3.50 × 102 = 357 = 360 (2 s.f)

260 + 360 = 620

4 0
3 years ago
For the reaction N2(g) + O2(g)2NO(g) H° = 181 kJ and S° = 24.9 J/K G° would be negative at temperatures (above, below) K. Enter
12345 [234]

ΔG deg will be negative above 7.27e+3 K.

<u>Explanation:</u>

  • The ΔG deg with the temperature can be found using the formula and the formula is given below
  • ΔG deg = ΔH deg - T ΔS deg
  • Given data, ΔH deg = 181kJ and ΔSdeg=24.9J/K
  • -T ΔS deg will be always negative and ΔG deg = ΔH deg  will  be  positive and ΔG deg will be negative at relatively high temperatures and positive at relatively low temperatures
  • solving the equation and substitute  ΔGdeg=0
  • ΔGdeg = ΔHdeg - T ΔSdeg
  • T= ΔHdeg/ΔSdeg
  • T=181 kJ / 2.49e-2 kJK-1
  • By simplification we get
  • T=7.27 × 10^3 K.
  • Therefore, Go will be negative above   7.27 × 10^3 K
  • Since ΔG deg = -RT lnK, when ΔGdeg < 0, K > 1 so the reaction will have K > 1 above 7.27 × 10^3 K.
  • ΔG deg will be negative above 7.27e+3 K.

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7 0
3 years ago
What are the reactants in burning waste? What products are obtained from burning waste?
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ash, smoke, carbon dioxide are obtained from burning waste

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4 years ago
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