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3 years ago

Compared to all other forms of energy, wind power is most similar to tidal wave power because _____.

Chemistry

2 answers:

Naddik [55]3 years ago

7 0

<span>they work on the premise of a fluid interacting with a turbine</span>

mash [69]3 years ago

3 0

<h3><u>Answer;</u></h3>

they work on the premise of a fluid interacting with a turbine

<h3><u>Explanation;</u></h3>

<em><u>Wind power involves the use of air flow or wind through wind turbines to provide the mechanical power to turn electric generators.</u></em> It is an alternative energy source as it is clean, renewable, abundant and widely distributed among other advantages.
<em><u>Tidal wave power is a form of hydro-power that converts the energy obtained from tides into useful forms of power such electrical energy.</u></em>
<em><u>Both wind and tidal wave power work on the premise of a fluid interacting with a turbine to generate energy in form of electricity.</u></em>

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Calculate the empirical formula for a compound containing 67.6% Hg 10.8% S 21.6% O

pashok25 [27]

Answer:

HgSO₄

Explanation:

% => g => moles => ratio => reduce => empirical ratio

%Hg = 67.6% => 67.6g/201g/mol = 0.34mol

%S = 10.8% => 10.8g/32g/mol = 0.34mol

%O = 21.6% => 21.6g/16g/mol = 1.35mol

Hg:S:O => 0.34:0.34:1.35

Reduce to whole number ratio by dividing by the smaller mole value...

Hg:S:O => 0.34/.34:0.34/.34:1.35/.34 => Empirical Ratio = 1:1:4

∴ Empirical Formula is HgSO₄

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3 years ago

Complete the following table. Tell if the molecule is polar or nonpolar, draw the Lewis dot structure for the molecule, tell wha

andrew11 [14]

The complete table is shown in figure

a) NH3 is polar as the bonds between N and H are polar. Due to asymmetry in the molecule the molecule is polar

The shape of molecule is trigonal pyramidal while its electronic geometry is tetrahedral.

b) CO2: it is a non polar molecule with polar bonds. The molecule becomes non polar as the dipole moment cancel each other. [Dipole moment is a vector quantity]

The shape is linear.

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3 years ago

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Which of the following is an adaptation that helps protect the animal?

saveliy_v [14]

C ( Porcupines use there’s sharp quills to defend themselves from larger predators!)

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3 years ago

Name the solutes that raises the boiling point of water the most.

Butoxors [25]

Non-volatile solutes such as salt raises the boiling point of water. Hope the answer helps! Good luck!

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3 years ago

Ammonia and oxygen react to produce nitric oxide and water. Which of the following chemical equations describes this reaction an

aksik [14]

Answer:

Option B. 4NH3(g) + 5O2(g) —> 4NO(g) + 6H2O(g)

Explanation:

The reaction between ammonia, NH3 and oxygen, O2, will produce nitric oxide and water as shown below:

NH3(g) + O2(g) —> NO(g) + H2O(g)

Now, let us balance the equation.

This is illustrated below:

NH3(g) + O2(g) —> NO(g) + H2O(g)

There are 3 atoms of H on the left side and 2 atoms on the right side. It can be balance by putting 4 in front of NH3 and 6 in front of H2O as shown below:

4NH3(g) + O2(g) —> NO(g) + 6H2O(g)

There are 4 atoms of N on the left side and 1 atom on the right side. It can be balance by putting 4 in front of NO as shown below:

4NH3(g) + O2(g) —> 4NO(g) + 6H2O(g)

Now, the are 2 atoms of O on the left side and a total of 10 atoms on the right side. It can be balance by putting 5 in front of O2 as shown below:

4NH3(g) + 5O2(g) —> 4NO(g) + 6H2O(g)

Now, we can see that the equation is balanced.

Therefore, option B gives the balanced chemical equation for the reaction.

5 0

3 years ago