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Goryan [66]
4 years ago
7

Describe one conclusion made by Thomson that led to the development of the current atomic theory

Chemistry
1 answer:
lana66690 [7]4 years ago
4 0
He concluded that elecotrons was found in all atoms.:) hope i helped
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Write out the BALANCED NET IONIC equation for the neutralization reaction that occurs between aqueous phosphoric acid and aqueou
ladessa [460]

Answer: Balanced net ionic equation is 3H^{+}(aq)+3OH^{-}(aq)\rightarrow 3H_2O(l)

Explanation:

Neutralization is a chemical reaction in which an acid and a base reacts to form salt and water.

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

The given chemical equation is:

H_3PO_4(aq)+3NaOH(aq)\rightarrow Na_3PO_4(aq)+3H_2O(l)

The ions which are present on both the sides of the equation are sodium and phosphate ions and hence are not involved in net ionic equation is:

3H^{+}(aq)+3OH^{-}(aq)\rightarrow 3H_2O(l)

8 0
3 years ago
Question 8 1.2 pts an atom of bromine has a mass about four times greater than that of an atom of neon. which choice makes the c
Scorpion4ik [409]
Neon = app. 20.1795 g/mol 
<span>Bromine = app. 79.904 g/mol </span>
<span>-----> 79.904 g/mol / 20.1795 g/mol = 3.96 (Close to 4) </span>

<span>Using Moles In 1000 g </span>

<span>1000 g / 20.1795 g/mol = app. 49.555 mol of Ne </span>
<span>1000 g / 79.904 g/mol = app. 12.515 mol of Br </span>
<span>-----> 49.555 mol / 12.515 mol = 3.96 (Close to 4) </span>

<span>Using Avogadro's Number </span>

<span>49.555 mol x 6.022x10^23 atoms = app. 2.984x10^25 atoms of Ne </span>
<span>12.515 mol x 6.022x10^23 atoms = app. 7.537x10^24 atoms of Br </span>
<span>-----> 2.984x10^25 / 7.537x10^24 = 3.96 (Close to 4) </span>

<span>So no matter how you look at it or calculate it, the answer is always the same. </span>

<span>I hope it helps!</span>
8 0
3 years ago
If 0.4506 g of KHP standard were titrated with NaOH and the endpoint was reached at 27.96 mL, what is the concentration (molarit
Lemur [1.5K]
Answer is in attachment.

Enjoy :)

6 0
3 years ago
A flask containing 500 liters of hydrogen gas was collected under a pressure of 980mmHg. What will be the volume if the pressure
Shkiper50 [21]

Answer:

80

Explanation:

im not rlly sure exactly but i think thats the anser

4 0
4 years ago
How was New York City able to clean to smog?
podryga [215]
By using electric carssss
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