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ivann1987 [24]
3 years ago
13

Which of the following is not one of the main areas of earth science

Chemistry
2 answers:
Rina8888 [55]3 years ago
5 0

Answer:

what are the options?

Explanation:

vampirchik [111]3 years ago
4 0

Answer:

Anthropology is not one of the main areas of Earth Science.

Explanation:

The main areas of Earth Science are meteorology, oceanography, geology, and astronomy.

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Acetylene gas, C2H2, releases large quantities of heat when it burns, making it ideal for welding applications. This gas is gene
Karo-lina-s [1.5K]

Answer:

64 kg

Explanation:

The computation of the number of kg need to ordered is shown below:

As we know that

CaC_2 + 2H_2O \rightarrow Ca(OH)^2   + C_2H_2

Now as we know that

1  mole of C_2H_2 generated from 1 mole of CaC_2

Now

26g of C_2H_2 generated from 64g of CaC_2

And,

26kg of C_2H_2 generated from

= \frac{64g\times26Kg}{26g}

= 64kg CaC_2

Hence, the number of kg that required for ordering the calcium carbide is 64 kg

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3 years ago
Which functional group does the molecule below contain?<br> HIC H<br> H=COH<br> [
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Answer:

D. \ \ \ \text{hydroxyl}

Explanation:

Alcohols are organic compounds that are composed of the hydroxyl function group (-\text{OH}), bonded to a carbon atom of an alkyl or a substituted alkyl group. Hence, the functional group of alcohols is the hydroxyl group (-\text{OH}).

According to the International Union of Pure and Applied Chemistry (IUPAC) nomenclature, alcohols are named by changing the -<em>e</em> ending of the name of the parent alkane to the suffix <em>-</em><em>ol</em>.

For example, the alcohol molecule in the figure demonstrates a hydroxyl group bonded to a methyl group. Therefore, the name of the alcohol is methanol.

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2 years ago
Quickly please! Which is a group of tissues that work together to carry out a common function?
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Organ is the answer
8 0
3 years ago
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How does your pattern of breathing change when you exercise and then rest ?​
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Your pattern of breathing increases, making it faster than usual, when you're exercising because you're pushing your body to work harder and speeding up your heart rate making you tired.

When you're resting your breathing pattern should be steady and normal since you aren't doing anything that requires lots of body work or something that would make you out of breath.

Hope this helps,

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3 years ago
The results of Rutherford's gold foil experiment gave him the evidence to arrive at two conclusions: (1) an atom was much more t
Vedmedyk [2.9K]

Answer: The results of Rutherford's gold foil experiment gave him the evidence to arrive at two conclusions: (1) an atom was much more than just empty space and scattered electrons and (2) an atom consists of a positive charge at the center where most of its mass is placed.

Explanation:

Ernest Rutherford performed an experiment in which he passed alpha particles through a thin gold foil sheet. Through this sheet some of the particles passed on to the other side but some of them were reflected back.

This experiment was done by Rutherford to prove than an atom contains a tiny and heavy nucleus. He concluded that an atom has more than empty space and electrons were present in scattered form.

Also, he concluded that an atom consists of a positive charge at the center where most of its mass is placed.

Thus, we can conclude that the results of Rutherford's gold foil experiment gave him the evidence to arrive at two conclusions: (1) an atom was much more than just empty space and scattered electrons and (2) an atom consists of a positive charge at the center where most of its mass is placed.

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