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34kurt
3 years ago
7

Which of the following is the correct formula for sulfuric acld?

Chemistry
1 answer:
Alona [7]3 years ago
6 0

Explanation:

The answer is H2SO4 for sulphuric acid

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In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide Al2O3 dissolved in molten c
Darya [45]

Answer:

0.382g

Explanation:

Step 1: Write the reduction half-reaction

Al³⁺(aq) + 3 e⁻ ⇒ Al(s)

Step 2: Calculate the mass of Al produced when a current of 100. A passes through the cell for 41.0 s

We will use the following relationships.

  • 1 A = 1 C/s
  • 1 mole of electrons has a charge of 96486 C (Faraday's constant)
  • 1 mole of Al is produced when 3 moles of electrons pass through the cell.
  • The molar mass of Al is 26.98 g/mol.

The mass of Al produced is:

41.0s \times \frac{100C}{s} \times \frac{1mole^{-} }{96486C} \times \frac{1molAl}{3mole^{-} } \times \frac{26.98gAl}{1molAl} = 0.382gAl

7 0
3 years ago
As current flows through a system, what happens to the voltage available at each load?
navik [9.2K]

Answer: voltage drops in each resistor ΔU= RI

Explanation: if lamps or other resistor which cause load are in series in

Electric circuit, current I passing circuit is same. Voltage decreases

In every resistor

3 0
3 years ago
I need help with this
marshall27 [118]
What is it you need help on? there is nothing here????

ANSWER:
7 0
2 years ago
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Which of the following is a valid mole ratio from the balanced equation 2C3H6 + 902 - 6CO2 + 6H20? (4 points)
erastovalidia [21]

Answer:

6 mol H, 9 mol O2

Explanation:

We can see that in water, there are 6 moles of hydrogen, and for oxygen, there is 9 moles

6 0
3 years ago
1)petroleum and natural gas are formed in the__________
ale4655 [162]
1. In the remains of organisms such as plants and algae.
2. Air, peace of mind know knowleged and water
3. The Carboniferous
4. Is a colorless , odorless gass that is very flammable.
6 0
3 years ago
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