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Deffense [45]
3 years ago
8

What is in the center of an atom? What two types of subatomic particles are found there?

Chemistry
1 answer:
Artyom0805 [142]3 years ago
3 0
A nucleus is in the center of an atom and protons and neutrons are found inside there
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You are practicing classification by sorting pictures into groups based on the characteristics of the kingdoms. While you are so
posledela

Answer: D

Explanation: fungi kingdom is Hetrotropiv and is unicellular

7 0
3 years ago
Which is a characteristic of a synthesis reaction
V125BC [204]
Answer:option A
Multiple reactants are used to form one product.
8 0
3 years ago
Read 2 more answers
Identify the precipitate that forms (if any) when aqueous solutions of barium nitrate and sodium sulfate are mixed.
Alborosie

The precipitate that forms when aqueous solutions of barium nitrate and sodium sulfate are mixed is barium sulphate.

Barium Nitrate is a colorless to white, odorless, crystalline powder. It is used in making fireworks, for green lights and neon lights, and in ceramic glazes.

Sodium Sulfate Anhydrous is the anhydrous, sodium salt form of sulfuric acid. Sodium ion is the principal cation of the extracellular fluid and plays a large part in the therapy of fluid and electrolyte disturbances.

When aqueous solutions of barium nitrate and sodium sulfate are mixed is barium sulphate, one soluble salt, sodium nitrate, and an insoluble salt, barium sulphate.

Learn more about barium nitrate, click here brainly.com/question/9597126

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4 0
1 year ago
Sulfur dioxide, SO 2 ( g ) , can react with oxygen to produce sulfur trioxide, SO 3 ( g ) , by the reaction 2 SO 2 ( g ) + O 2 (
Alex

Answer:

ΔHorxn = - 11.79 KJ

Explanation:

2 SO 2 ( g ) + O 2 ( g ) ⟶ 2 SO 3 ( g )

The standard enthalpies of formation for SO 2 ( g ) and SO 3 ( g ) are Δ H ∘ f [ SO 2 ( g ) ] = − 296.8 kJ / mol Δ H ∘ f [ SO 3 ( g ) ] = − 395.7 kJ / mol

From the reaction above, 2 mol of SO2 reacts to produce 2 mol of SO3. Assuming ideal gas behaviour,

1 mol = 22.4l

x mol = 2.67l

Upon cross multiplication and solving for x;

x = 2.67 / 22.4 = 0.1192 mol

0.1192 mol of SO2 would react to produce 0.1192 mol of SO3.

Amount of heat is given as;

ΔHorxn = ∑mΔHof(products) − ∑nΔHof(reactants)

Because O2(g) is a pure element in its standard state, ΔHοf [O2(g)] = 0 kJ/mol.

ΔHorxn = 0.1192 mol * (− 395.7 kJ / mol) - 0.1192 mol * ( − 296.8 kJ / mol)

ΔHorxn = - 47.17kj + 35.38kj

ΔHorxn = - 11.79 KJ

5 0
3 years ago
Convert 8.4 x 10 3 ML/hr to KL/min
OLEGan [10]

Answer:

0.00018 kL

Explanation:

5 0
1 year ago
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