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klio [65]
3 years ago
10

Which event would be impossible to explain by using John Dalton’s model of the atom?

Chemistry
2 answers:
Dvinal [7]3 years ago
6 0
<span>Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass. Dalton also stated that all compounds were composed of combinations of these atoms in defined ratios. He postulated that chemical reactions resulted in the rearrangement of the reacting atom.



</span>
goldfiish [28.3K]3 years ago
3 0

Your answer: An iron atom emits particles when it is struck by light

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mr_godi [17]
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20 grams of H₂S react with 20 grams of O₂. What is the limiting reagent? *
ryzh [129]

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4 0
3 years ago
Calculate the mass in grams of hydrogen chloride produced when 5.15 l of molecular hydrogen measured at stp reacts with an exces
navik [9.2K]

Answer: 17.9 g


Explanation:


1) Chemical equation:


H₂ (g) + Cl₂ (g) → 2HCl (g)


2) mole ratios:


1 mol H₂ : 1 mol Cl₂ : 2 mol HCl


3) Since, the pressure and temperature conditions do not change, the same proportion is valid for the volumes. Then:


1 liter H₂ / 2 liter HCl = 5.15 liter H₂ / x


⇒ x = 5.5 × 2 / 1 = 11 liter HCl


4) Calculate the number of moles of HCl in 11 liter of HCl at STP


At STP, 1 mol of gas = 22.4 liter


⇒ 11 liter × 1mol / 22.4 liter = 0.491 mol HCl


5) Use the molar mass to convert 0.491 mol to grams


molar mass of HCl = 1.008 g/mol + 35.453 g/mol = 36.461 g/mol


mass in grams = nuumber of moles × molar mass = 36.461 g/mol × 0.491 mol = 17.90 g.



7 0
3 years ago
Determine the number o( bonding electrons and the number of nonbonding electrons in the structure of CO_2. Enter the number of b
Rom4ik [11]

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CO2 (8,8)

BeF (4,12)

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3 years ago
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dsp73

Answer:

one would be if the human had no say in it

7 0
3 years ago
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