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3 years ago

Which alternative energy source would be expected to be the least dependent upon the weather?

Chemistry

2 answers:

Ivahew [28]3 years ago

6 0

Answer: c. geothermal power

Geothermal energy is expected to be the least dependent upon the weather conditions. It is a renewable source of energy liberated in the form of water springs. The water in the geosphere being heated by the heat liberated from the hot magma in the mantle. The hot water liberated is used as a source of thermal power. As, the geothermal power liberates from the earth crust it is not affected by the external environmental conditions including weather.

Elza [17]3 years ago

3 0

Of the three sources listed, geothermal energy
is the least dependent on the weather.
(Once it's installed and running, that is.)

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Can you identify 2 characteristics of combustion reactions?

monitta

An element or compound will react with oxygen and will produce carbon dioxide, water, and sometimes carbon (if it is an incomplete combustion).

4 0

2 years ago

. Which of the following animals is sessile?

storchak [24]

Answer:

A) Jellyfish

Explanation:

has a sessile larval stage as a polyp, leading to a motile stage as they reach maturity. Conversely, organisms such as barnacles have a motile, pelagic larval stage and become sessile in their adult life

4 0

2 years ago

Read 2 more answers

If 100 mg of ferrocene is reacted with 75 mg of anhydrous aluminum chloride and 40 microliters of acetyl chloride and 100 mg of

Alex_Xolod [135]

Answer:

81.3 %

Explanation:

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

For ferrocene:-

Mass of ferrocene = 100 mg = 0.1 g

Molar mass of ferrocene = 186.04 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{0.1\ g}{186.04\ g/mol}$

$Moles\ of\ ferrocene= 0.0005375\ mol$

For acetyl chloride:-

Volume = 40 microliters = 0.04 mL

Density = 1.1 g / mL

Density is defined as:-

$\rho=\frac{Mass}{Volume}$

or,

$Mass={\rho}\times Volume=1.1\times 0.04\ g=0.044 g$

Mass of acetyl chloride = 0.044 g

Molar mass of acetyl chloride = 78.49 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{0.044\ g}{78.49\ g/mol}$

$Moles\ of\ acetyl\ chloride= 0.0005606\ mol$

As per the reaction stoichiometry, one mole of ferrocene reacts with one mole of acetyl chloride to give one mole of monoacetylferrocene

Limiting reagent is the one which is present in small amount. Thus, ferrocene is limiting reagent.

The formation of the product is governed by the limiting reagent. So,

one mole of ferrocene on reaction forms one mole of monoacetylferrocene

0.0005375 mole of ferrocene on reaction forms 0.0005375 mole of monoacetylferrocene

Moles of product formed = 0.0005375 moles

Molar mass of monoacetylferrocene = 228.07 g/mole

Mass of monoacetylferrocene produced = Moles*molecular weight = 0.0005375*228.07 g = 0.123 grams = 123 mg

Given experimental yield = 100 mg

<u>% yield = (Experimental yield / Theoretical yield) × 100 = (100/ 123) × 100 = 81.3 %</u>

5 0

3 years ago

The atomic number is the same as the number of ________.

Zanzabum

Answer:

number of electrons

Explanation:

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2 years ago

8. Explain the process of convection at the molecular level.

Ilya [14]

Answer:

Convection is a type of heat transfer that only happens in liquids and gasses. Convection happens when there is a difference in temperature between two parts of a liquid or gas.

Explanation:

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2 years ago