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3 years ago

based on the article what are some of the advantages that can be given by radio frequency and microwaves

Chemistry

1 answer:

bonufazy [111]3 years ago

6 0

Answer:

higher data rates are

Explanation:

transmitted

as the bandwidth

is more

more antenna gain is possible

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Im really tired and csant think plz help

GenaCL600 [577]

to answer all three of those in one sentence; Potassium is an element used in the body for some functions, it is commonly found in bananas.

8 0

3 years ago

What mass of ch4 is consumed when 587. 9 kj of energy is evolved from the combustion of a mixture of ch4(g) and o2(g)? show the

Juliette [100K]

The mass of CH₄ that is consumed is 10.598 g.

<h3>What is enthalpy?</h3>

The enthalpy of a system is defined as the sum of the internal energy of a system and the energy that is produced due to its pressure and volume.

It is given by

H = U+PV

The following reaction takes place during the combustion of CH₄

$CH_4(g)+2O_2(g)\rightarrow CO_2(g)+2H_2O(g)$

Energy evolved during the combustion, E = 587.9 kJ

Enthalpy of combustion of methane, ∆H = 890.3 kJ

$No of moles of CH_4 =\frac{energy evolved}{enthalpy of combustion}$

= 587.9 /890

Mass of CH₄ that is consumed = no of moles × molar mass of CH₄

= 587.9 /890 × 16

= 10.598 g

The mass of CH₄ which is consumed is 10.598 g

Learn more about enthalpy:

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6 0

1 year ago

This question is for science. which options describes the particles of water as liquid water actively boils to become steam?

-BARSIC- [3]

Answer:

The correct option is;

a. The particles will gain a large amount of kinetic energy

Explanation:

As the water temperature reaches 100°C, which is the boiling point for water at atmospheric pressure, the continued heating is then used to break up the strong inter molecular forces between molecules of the water such that the individual molecules are free to move about and due to the high temperature, have gained considerable amount of kinetic energy for the to rise to appreciable height and to also spread.

The heat which converts water into steam is called latent heat as during the boiling phase, the temperature of the water remains constant.

4 0

3 years ago

Read 2 more answers

Which combination of reactants would result in a neutralization reaction with sodium nitrate,

Debora [2.8K]

Answer:

(B) HNO3 + NaOH

Explanation:

Hello,

In this case, for the production of sodium nitrate a substance having the sodium as a cation should react with another substance having the nitrate anion. Moreover, neutralization reactions are carried out when bases react with acids, such is the case of nitric acid and sodium hydroxide:

$NaOH+HNO_3\rightarrow NaNO_3+H_2O$

Thus, the answer is (B) HNO3 + NaOH as the other options involve salts rather than acids or bases as starting reactants.

Regards.

7 0

3 years ago

Fluorine is a reactive nonmetal in the Halogen group. What other elements below are also likely to be reactive like fluorine?

Svetradugi [14.3K]

Answer:okay

Explanation:

7 0

3 years ago

based on the article what are some of the advantages that can be given by radio frequency and microwaves​

based on the article what are some of the advantages that can be given by radio frequency and microwaves