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Usimov [2.4K]
3 years ago
7

Which process causes the greatest depletion of oxygen from the atmosphere?

Chemistry
1 answer:
liberstina [14]3 years ago
8 0

Fossil fuel combustion since one of the reactants is O2 and this reactions occurs in enormous quantities compared to aerobic respiration

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Which of the substances has polar interactions (dipole–dipole forces) between molecules?
Yuki888 [10]

<u>Answer:</u>

CHCl3 has dipole-dipole interactions.

<u>Explanation:</u>

Trichloromethane has a electric dipole moment permanently pointing along the line parallel with the Hydrogen carbon axis.Dipole-dipole interactions are said to be intermolecular force of  attractions that is formed from two permanent dipoles interacting.

These type of interactions  are occurring when one of the partially charged formed molecule are  being attracted to an opposite partially charged molecule  nearby . The molecules align in a state that the positive end of one of the molecule  gets interacting with the negative end of the another molecule.

7 0
3 years ago
Are bacteria multiple-celled microscopic organisms .true or false
deff fn [24]

Answer:

Bacteria are multiple-celled microscopic organisms. It's gross but Fungi is the most abundent form of life on Earth.

Hope this helps!! If so please mark brainliest and rate/heart to help my account if it did!!

7 0
3 years ago
Carbordum is silicon carbide SiC a very hard material used as an abrasive on sand paper and in other applications. it is prepare
AleksandrR [38]

Answer:

4.5 kilograms of silicon dioxide is required to produce 3.00 kg of SiC.

Explanation:

The balanced equation for the reaction between silicon dioxide and carbon at high temperature is given as:

SiO_2+3C\rightarrow SiC+2CO

1 mole silicon dioxide reacts with 3 moles of carbon to give 1 moles of silicon carbide and 2 moles of carbon monoxide.

Mass of SiC = 3.00kg = 3000.00 g

1 kg = 1000 g

Molecular mass of SiC = 40 g/mol

Moles of SiC = \frac{3000.00 g}{40 g/mol}= 75 mol

According to reaction, 1 mole of SiC is produced from 1 mole of silicon dioxide.

Then 75 moles of SiC will be produce from:

\frac{1}{1}\times 75 mol=75 mol of silicon dioxide.

mass of 75 moles of silicon dioxde:

75 mol\times 60 g/mol=4500 g=4.5 kg

4.5 kilograms of silicon dioxide is required to produce 3.00 kg of SiC.

3 0
4 years ago
Analyze the given diagram of the carbon cycle below. Use complete sentences to explain your answer.
Bond [772]

Answer:

I'm not to sure I'll ask one of my frens to help

8 0
3 years ago
Please help me out with these questions please!!!
iogann1982 [59]
Answer to the first one is that they are brittle. This is not true because they have strong bonds
7 0
3 years ago
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