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3 years ago

A generator is not required to generate electrical energy when which of the following energy sources is used?

Chemistry

2 answers:

Anon25 [30]3 years ago

5 0

Answer:

think it's C but my gut is telling me A

Explanation:

ladessa [460]3 years ago

3 0

Hydroelectric is the energy source used

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Two students pull a box with force of 100 N to the left and 200 N to the right.

laiz [17]

Answer:

net force is 100 N and direction is right

Explanation:

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3 years ago

Calcium, magnesium, and strontium are near each other on the periodic table and have some characteristics in common, but they di

Crank

Strontium, Calcium, Magnesium

Strontium is the most reactive of the three element because of this, it does not exist free in nature but rather exist in combination with other elements in various compounds such as strontianite. Calcium is more reactive than magnesium because it is larger than magnesium and thus, it is more electropositive in nature.

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4 years ago

Read 2 more answers

Luba_88 [7]

Answer:

yes u are correct as it define that

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3 years ago

How do you balance the chemical equation NaOH + H2SO4 > Na2SO4 +H2O

jenyasd209 [6]

Make sure there are the same number of atoms of each element on either side.
1) Check each one.
2) If one's out of balance, alter the equation to balance it and go back to 1)
3) When everything's balanced, you're finished!

We have 1 Na on the left and 2 Na on the right here. We'll need another NaOH to balance it:
2 NaOH + H₂SO₄ > Na₂SO₄ + H₂O
Now O is out of balance. There's 6 on the left and 5 on the right. We'll need more H₂O:
2 NaOH + H₂SO₄ > Na₂SO₄ + 2 H₂O
Fortunately H is in balance. S is also in balance here, so looks like we did it!

Need any more help?

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3 years ago

Define the terms "Aldonic Acid", "uronic Acid", and "Aldaric Acid"

sesenic [268]

Explanation:

Aldonic Acid:

Aldonic acids are suger acids.

General formula of aldonic acid = $HOOC-(CHOH)_n-CH_2OH$

Aldonic acids are obtained by the oxidation of aldehydic group of suger.

So, aldonic acids have hydroxyl group at one terminal and carboxylic group at another terminal.

Gluconic acid is an example of aldonic acid.

Uronic Acid:

It is also a type of suger acid having carbonyl functional group at one terminal and carboxylic group at other terminal.

It is obtained by oxidation of hydroxyl group of the sugar.

Aldaric Acid:

Aldaric acid is also a type of sugar acid having carboxylic acid functional group at both the ends.

Both the hydroxyl group and aldehydic group are oxidized to form class of compound, called aldaric acid.

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3 years ago