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3 years ago

In a person's body, sulfur oxides combine with water vapor in the BLANK to form sulfuric acid.

Chemistry

1 answer:

Scilla [17]3 years ago

7 0

This answer would be a blood vessels

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Q82. Liquid petrol does not ignite spontaneously when exposed to the air because

sashaice [31]

Liquid petrol does not ignite spontaneously when exposed to the air because there is not enough molecules that contains energy to reach the activation energy. As a result, the reaction cannot proceed and a supply of energy should be added for the reaction to occur.

7 0

3 years ago

it is method used to separate particulates from a liquid by allowing in the solids to settle at the bottom of the mixture

wariber [46]

Answer:

Decantation

Explanation:

Decantation is one of the process of separating mixture containing solid and liquid. In this process, gravity plays a very important role. The solid part of the mixture is allowed to settle down. The liquid is removed and separated in another container. It is a process that helps in the purification of the liquid. The particles that are insoluble settles down and is further subject to be separated from the mixture.

5 0

2 years ago

he combustion of propane (C3H8) is given by the balanced chemical equation C_3H_8+5O_2\longrightarrow3CO_2+4H_2O C 3 H 8 + 5 O 2

Basile [38]

Answer:

290 grams

Explanation:

Let's begin by writing the balanced chemical equations:

$C_{3}H_{8} +5O_{2} --->3CO_{2} +4H_{2}O$

Then we calculate the number of moles in 97g of propane.

n(propane)= $\frac{mass}{molarmass} =\frac{97g}{44.1g/mol}=2.1995mol$

According to the balanced chemical equation, one mole of propane produces 3 moles of carbon dioxide. So the available number of moles of propane must be multiplied by three to work out the number of carbon dioxide produced.

n(carbon dioxide)= 2.1995mol*3 = 6.5985mol

mass(carbon dioxide) = moles * molar mass

= 6.5985 mol * 44.01 g/mol

= 290 grams

4 0

3 years ago

All solutions<br>are mixtures; but<br>all mixtures are<br>not solutions.<br>why?

aleksklad [387]

All solutions are mixtures of two or more substances, but unless the mixture has a homogeneous distribution of solutes in the solvent, then the mixture is not a solution. Therefore, all mixtures are not solutions.

5 0

2 years ago

PLEASE HELP!

Eduardwww [97]

Answer:

The answer is C, number 4 shows a rift valley

Explanation: This is because the shape of the feature is literally a rift and it forms a valley lol. Also i have some evidence:

7 0

3 years ago

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