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Tju [1.3M]
3 years ago
10

This unbalanced equation represents a chemical reaction:

Chemistry
2 answers:
inn [45]3 years ago
5 0

Answer:

2

Explanation:

Pb(NO3)2 + 2NaI 2NaNO3 + PbI2

riadik2000 [5.3K]3 years ago
5 0
It is b 222222222222222222222222222
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According to Boyle's law, the volume of a gas is inversely proportional to its pressure at constant temperature.
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Explanation:

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3 years ago
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Convert 1.45 × 1024 atoms of carbon to moles of carbon.
anygoal [31]
1 mol = 6.02 * 10^23 atoms of carbon
x mol = 1.45 * 10^24 atoms of carbon

1/x =6.02*10^23 / 1.45 * 10^24

6.02 * 10^23 x = 1.45 * 10^24
x = 1.45 * 10^24 / 6.02 * 10^23
x = 2.41 mols of carbon
8 0
3 years ago
In the periodic table hydrogen is placed in Group 1A (group 1) and helium is placed in Group 8A (group 18). The most likely reas
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Answer:

This question appears incomplete

Explanation:

This question appears incomplete because of the absence of options. However, hydrogen is placed in group 1 because it has just one electron in it's outermost shell (which happens to be the only shell it has) just like every other group 1A/group 1 element. While helium is placed in group 8A/group 18 because it has a completely filled outermost shell (which is also the only shell it has) just like every other element in group 8A/group 18.

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3 years ago
1. In which order does food travel through the digestive
lisov135 [29]

Answer:

B :)

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7 0
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tu sabias que existe el automovil que funciona solo con agua y hay otro que solo funciona con h2? pero lastimosamente estados un
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Dios mío, vaya, eso es una locura, no lo sabía, pero gracias por la información. :)

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