3 years ago

The primary anthropogenic source of atmospheric carbon dioxide (co2 ) is

Chemistry

1 answer:

Ket [755]3 years ago

7 0

Burning of oil,gases and coal are the antropogenic source of co2

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Is SiO2 London Dispersion, Dipole-Dipole, or Hydrogen Bonding?

s2008m [1.1K]

Answer:

It is Dispersion

Explanation:

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6 0

2 years ago

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Why does the atmosphere have holes in it? A. Pollution B. Fuel from Cars/Machines

a_sh-v [17]

Answer:

the answer is d .

Explanation:

all of these have pollutants and chemicals in them , damaging the ozone with carbon dioxide .

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3 years ago

During a laboratory experiment, 36.12 grams of Aboz was formed when O2 reacted with aluminum metal at 280.0 K and 1.4 atm. What

kvv77 [185]

Answer:

8.70 liters

Explanation:

3O₂+ 4Al → 2AI₂O₃

First we convert 36.12 g of AI₂O₃ into moles, using its molar mass:

36.12 g ÷ 101.96 g/mol = 0.354 mol AI₂O₃

Then we convert AI₂O₃ moles into O₂ moles, using the stoichiometric coefficients of the reaction:

0.354 mol AI₂O₃ * $\frac{3molO_2}{2molAl_2O_3}$ = 0.531 mol O₂

We can now use the PV=nRT equation to calculate the volume, V:

1.4 atm * V = 0.531 mol * 0.082 atm·L·mol⁻¹·K⁻¹ * 280.0 K

V = 8.708 L

5 0

3 years ago

The main difference between strong electrolytes and weak electrolytes is....

Bogdan [553]

Definitely their jawline… just kidding, it’s how much they dissociate

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3 years ago

A weighed piece of magnesium ribbon is added to a dried crucible, which is reweighed and heated in air to form the compound MgO.

olga nikolaevna [1]

Answer:

One of the errors for low percentage of magnesium could be because not all the magnesium may have reacted.

Explanation:

During the heating process, if the magnesium have not reacted completely, it can lead to low percentage of magnesium in the oxide formed. The product may still look a bit greyish rather than whitish after the heating process.

4 0

3 years ago