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3 years ago

1. Is water an element ?

Chemistry

2 answers:

earnstyle [38]3 years ago

3 0

Answer:

Explanation:

Water is made up of oxygen and hydrogen. both of those are on the periodic table. water is not an element though

hope this helps!

Please mark me brainliest!

nalin [4]3 years ago

3 0

Answer:

That is a good question but water is not an element it's a compound.

Explanation:

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Lipids and carbohydrates are composed of the same elements: carbon, hydrogen, and oxygen. how do lipids and carbohydrates differ

Vanyuwa [196]

The following choices..:
A. Lipids have more hydrogen relative to oxygen than do carbohydrates.
B. Lipids and carbohydrates have different functions.
C. Lipids don't dissolve easily in water, while carbohydrates do.
D. Lipids do not chain together to form larger molecules, while carbohydrates do.
E. All of the above are correct

The answer would be E, all of the above

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3 years ago

Developing countries use many more resources than do developed countries. True False

Svetach [21]

I will have to say that this statement is true

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3 years ago

kondor19780726 [428]

Explanation:

It is known that 1 gram contains 1000 milligrams. And, mathematically we can represent it as follows.

$\frac{1 g}{1000 mg}$ or $\frac{1000 mg}{1 g}$

So, when we have to convert grams into milligrams then we simply multiply the digit with 1000. And, if we have to convert a digit from milligrams to grams then we simply divide it by 1000.

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3 years ago

Draw the other possible resonance structure of each organic ion. In each case, draw the structure that minimizes formal charges.

pshichka [43]

Three resonance structures can be drawn for the allyl cation while two resonance structures can be drawn for the amidate ion.

Sometimes, we cannot fully describe the bonding in a chemical specie using a single chemical structure. In such cases, we have to use a number of structures which cooperatively represent the actual bonding in the molecule. These structures are called resonance or canonical structures.

The resonance structures of the allyl cation and the amidate ion are shown in the images attached to this answer. These structures show the different bonding extremes in these organic ions.

Learn more: brainly.com/question/4933048

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3 years ago

Give an example of a time when you would want to increase friction.

Snezhnost [94]

1) you want to increase friction when it gets cold. If you're outside and it's really cold, you're going to rub your hands to warm them up, therefore friction is increasing

I'm not do sure about decreasing.

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3 years ago