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Bond [772]
4 years ago
14

The distance to nearby stars can be measured by using ?

Chemistry
1 answer:
BigorU [14]4 years ago
8 0

Nearby stars are measured with parallax, which involves two measurements of the star's exact position in the sky.

Hope this helped!

Good luck :p

Brainliest is appreciated <3

~ Emmy

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In calculating the concentration of [Cu(NH3)4]2+[Cu(NH3)4]2+ from [Cu(H2O)4]2+[Cu(H2O)4]2+, the stepwise formation constants are
tamaranim1 [39]

Answer:

11.1×10^12

Explanation:

β4= K1× K2 × K3 × K4

β4= 1.90×10^4 × 3.90×10^3 × 1.00×10^3 ×1.50×102

β4=11.1×10^12

The overall formation (stability) constant β4= K1× K2 × K3 × K4. Hence the answer.

3 0
4 years ago
I don't know how to get the volume and it is 10 point removed for it wrong so can someone help me
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7 0
3 years ago
How much oxygen be required to produce 3.9 mol of water
timofeeve [1]

Answer:

1.95mol

Explanation:

First let us generate the equation for the reaction:

2H2 + O2 —> 2H2O

From the equation,

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Therefore, Xmol of O2 will react to produce 3.9 mol of H2O i.e

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6 0
3 years ago
Molecular name of As2O3
cricket20 [7]

Answer:

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4 0
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Using the periodic table, explain the difference between hydrogen, deuterium, and tritium - i.e. hydrogen-1, hydrogen-2, and hyd
IgorLugansk [536]
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These are all isotopes of Hydrogen and they differ from one another because of their different number of neutrons.
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