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NISA [10]
3 years ago
5

How does prairie grasses protect soil

Chemistry
1 answer:
jeyben [28]3 years ago
4 0

Prarie Grass Protects soil ( And this is just what I think, so I am sorry if I am wrong)

But I think that the grass is there so that the dirt doesn't fly away.

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a 4.4 g sample of gas occupies 2.24 l of volume at stp. without thinking too hard, what is the mw of the gas, and name two gases
garri49 [273]

As a result, gas's molecular weight is 44g/mol. It is the gas's (Carbon dioxide) molecular weight.

What is Molecular Weight?

The total atomic weights of the atoms in a molecule are measured by its molecular weight. To calculate stoichiometry in chemical equations and reactions, chemists employ molecular weight. M.W. or MW are two frequent abbreviations for molecular weight. Atomic mass units (amu), Daltons, or a unitless expression can be used to indicate molecular weight (Da).

The mass of the isotope carbon-12, which is given a value of 12 amu, serves as the reference point for defining both atomic weight and molecular weight. Because there are many carbon isotopes, the atomic weight of carbon is not exactly 12.

A mole of any gas at STP takes up a volume of 22.4l

at STP, a gas fills a volume of 2.24l

Calculating the quantity of moles of gas in step two

Consequently, the amount of gas in moles

= 0.1 moles

This is equivalent to carbon dioxide's molecular weight.

=44g/mol

As a result, gas's molecular weight is 44g/mol. It is the gas's (Carbon dioxide) molecular weight.

Learn more about Molecular Weight from given link

brainly.com/question/837939

#SPJ4

7 0
1 year ago
Ionic formula for sodium oxide
Bas_tet [7]
The ionic formula of sodium oxide would be Na20
5 0
3 years ago
Which statements below describe the law of conservation of mass? *
topjm [15]

Answer:

Mass cannot be created or destroyed

Explanation:

The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

8 0
3 years ago
14.
OleMash [197]
B.


Dendrites are parts the neuron that receive stimulation in order for the cell to become active.
4 0
3 years ago
Does this equation follow the laws of conservation of mass? why?
Marizza181 [45]

Answer:

Yes

Explanation:

Chemical equation:

CuO  + H₂    →      Cu + H₂O

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

In given reaction:

CuO  + H₂    →      Cu + H₂O

there are 1 copper atoms, one oxygen atoms and two hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

4 0
3 years ago
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