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drek231 [11]
1 year ago
11

1CO₂ (g) + 1C (s) → 2CO (g) Keq =

Chemistry
1 answer:
Stells [14]1 year ago
5 0

Answer:

the equation is balanced

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Solve and round to the correct number of significant figures: 129 ÷ 29.20
Scilla [17]

4.42

Because when you divide 129/29.20, you get a long string of numbers. 4.417808219178082...

So you round to the significant figure which in this case is 2 decimal places because 29.20 has 2 decimal places.

PS did you draw that car? Cuz im into drawing cars too.

5 0
3 years ago
An unknown insoluble substance displaced the water shown. It's mass is indicated on the triple beam balance. Mass = A. 694 B. 69
vodka [1.7K]

Answer:

D. 693.8.

Explanation:

  • The first scale of the triple beam balance indicate that the mass is 600.
  • The second scale of the triple beam balance indicate that the mass is 690.
  • The third scale of the triple beam balance indicate that the mass is higher that 693.5 and the scale is near but lower than 694, so the mass = 693.8.c
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3 years ago
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An air mattress is filled with 16.5 moles of air. The air inside the mattress has a temperature of 295 K and a gauge pressure of
postnew [5]
PV=nRT
3.5×X=16.5×0.082×295
X= 114 L
The volume of the air mattress is 114 liters.
7 0
3 years ago
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Rutherford's alpha particle scattering experiment was responsible for the discovery of​
Bingel [31]

Answer:

Atomic Nucleus

Explanation:

Atomic Nucleus

7 0
2 years ago
This is simple I am just confused
SOVA2 [1]

Answer:

They all have the same number of protons but different numbers of neutrons.

Explanation:

Elements will always have the same number of protons no matter the isotopes. Isotopes only change the number of neutrons. Silicon will always have 14 protons. So silicon-28 has 14 protons and 14 neutrons. Silicon-29 has 14 protons and 15 neutrons. Silicon-30 has 14 protons and 16 neutrons.

8 0
3 years ago
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