Several years ago, a team of scientists uncovered evidence for a new element not found on the periodic table. Most

It is beneficial since it gives stronger assistance for the evidence related come the discovery

urbanbreathnyc.com: The exactly urbanbreathnyc.com is the 2nd option the is provided with mirrors it is beneficial.

You are watching: Which one of the following substances is a liquid fuel used in rocket engines

Explanation:

The discovery of an aspect whose properties are well-known from prior to would do it much easier for the researchers to understand the properties of elements and its provides after the discovery the element.

Since the elements’ properties are already known together element that possesses these properties and also will look forward to discover that and once the facet is found the facet can it is in named and also can be provided directly, because its uses are currently known.


3 0
5 month ago

Balancing indigenous equation deserve to someone help me 7 come 12 ​
GuDViN <60>

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5 0
4 month ago

Four gases were an unified in a gas cylinder through these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He. W
Marat540 <252>

urbanbreathnyc.com :

The full pressure inside the cylinder is, 6.7 atm

The mole portion of

*
in the mixture is, 0.52

Solution :

First we need to calculate the full pressure inside the cylinder.

According to the Dalton"s law, the total pressure of the gas is same to the sum of the partial press of the mixture that gasses.

*

Now placed all the provided values is expression, we get the full pressure inside the cylinder.

*

Now we need to calculate the mole fraction of

*
in the mixture.

Formula provided :

*

where,

*
= complete pressure = 6.7 atm

*
= partial pressure of nitrogen gas = 3.5 atm

*
= mole portion of nitrogen gas = ?

Now placed all the given values in the over formula, us get

*

*

Therefore, the total pressure inside the cylinder is, 6.7 atm and also the mole fraction of

*
in the mixture is, 0.52


6 0
3 months ago

Help me plsss
Yuki888 <10>

urbanbreathnyc.com:

8.34

Explanation:

1) exactly how much mole of NH₃ room in the reaction;

2) just how much moles of H₂ are in the reaction;

3) the compelled mass that the H₂.

all the details space in the attachment; the urbanbreathnyc.com is significant with red colour.

Note1: M(NH₃) - molar mass of the NH₃, constant; M(H₂) - the molar fixed of the H₂, constant; ν(NH₃) - amount of NH₃; ν(H₂) - quantity of H₂.

Note2: the said solution is no the shortest one.

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*

8 0
6 months ago

1. Her body demands to breath in stimulate to gain oxygen .
k0ka <10>

urbanbreathnyc.com:True, true, false

Explanation:

Im saying i m really sorry ahead that time i m really sorry if i gained them dorn


3 0
3 month ago
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