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Nat2105 [25]
3 years ago
15

Use the development of the atomic model to explain how scientist recline and build off each other’s findings in order to develop

a theory
Chemistry
1 answer:
LenKa [72]3 years ago
4 0
A nuclear hypothesis is a model created to clarify the properties and practices of iotas. Similarly as with any logical hypothesis, a nuclear hypothesis depends on logical proof accessible at In compound responses, molecules join with each other in simple,  charged particles (like electrons) that movement through space emit vitality.
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Salicylic acid (C7H6O3) reacts with acetic anhydride (C4H6O3) to form acetylsalicylic acid (C9H8O4). 2C7H6O3(aq) + C4H6O3(aq) 2C
Yuki888 [10]

Answer:

The limiting reactant is salicylic acid.

Explanation:

From the equation of reaction,

1 mole of acetic anhydride (C4H6O3) (102g) reacts with 2 moles of salicylic acid (C7H6O3) (276 g)

80 g of acetic anhydride would react with (80×276/102) = 216.5 g of salicylic acid

216.5 grams of salicylic acid that is required to react with 80 grams of acetic anhydride.

The available mass of salicylic acid is 70 grams which makes salicylic acid the limiting reactant.

7 0
3 years ago
Read 2 more answers
A 100g of sample of a compound is combusted in excess oxygen and the products are 2.492g of CO2 and 0.6495 of H2O. Determine the
ruslelena [56]

The empirical formula : C₁₁O₁₄O₃

<h3>Further explanation</h3>

The assumption of the compound consists of C, H, and O

mass of C in CO₂ =

\tt \dfrac{12}{44}\times 2.492=0.680~g

mass of H in H₂O =

\tt \dfrac{2.1}{18}\times 0.6495=0.072~g

mass of O :

mass sample-(mass C + mass H)

\tt 1-(0.68+0.072)=0.248`g

mol of  C :

\tt \dfrac{0.68}{12}=0.056

mol of H :

\tt \dfrac{0.072}{1}=0.072

mol of O :

\tt \dfrac{0.248}{16}=0.0155

divide by 0.0155(the lowest ratio)

C : H : O ⇒

\tt \dfrac{0.056}{0.0155}\div \dfrac{0.072}{0.0155}\div \dfrac{0.0155}{0.0155}=3.6\div 4.6\div  1\\\\\dfrac{11}{3}\div \dfrac{14}{3}\div \dfrac{3}{3}=11:14:3

3 0
3 years ago
How many moles of nitrogen, N, are in 78.0g of nitrous oxide, N2O?
DaniilM [7]
I hope this helps you! 

8 0
4 years ago
What does the term compound mean?
blsea [12.9K]
<span>compound is a thing that is composed of two or more separate elements; a mixture</span>
7 0
3 years ago
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Why do elements such as Neptunium, Plutonium, Californium, Einstenium, Bohrium, Flerovium, Radon, Oganesson, and a few others ha
noname [10]

All the elements you listed share a common trait: they are synthetic, radioactive elements. These elements do not have a stable isotope, so for a radioactive element, its most stable isotope's atomic mass will be listed in parentheses.

One such example would be plutonium. This element has 6 different isotopes with differing half-lives. The most stable isotope for plutonium is plutonium-244, with a half-life of around 80 million years. Therefore, the atomic mass listed for plutonium will be (244).

3 0
3 years ago
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