Day/Night and Seasons (8.7A)

Chemistry

1 answer:

Natasha_Volkova [10]3 years ago

5 0

The length of the seasons would increase

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Is h2c2o4 an Arrhenius base or arrhenius acid

maksim [4K]

Answer:
Oxalic Acid is and Arrhenius Acid.

Explanation:
According to Arrhenius Theory of acid and base, "Acid is any substance which when dissolved in water produces H⁺ Ions".

Therefore, Oxalic Acid is a diprotic substance, which is capable of donating protons in water. This acidity of oxalic acid can be dedicated to the stability of conjugate base, this stability comes from resonance of the negative charges on Oxalate ion. Below reaction shows the dissociation of Oxalic Acid into Protons and Oxalate Ion.

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4 years ago

Which statement best expresses Newton's first law of motion? Group of answer choices Objects are constantly speeding up or slowi

nadezda [96]

Answer:

All objects resist changes to their states of motion.

Explanation:

Sir Issac Newton was an English physicist, mathematician, astronomer and a well known author. Besides, he was a great scientist. Newton discovered many scientific phenomenon and scientific theories in nature.

The most important and famous discoveries of Newton is the Newton's laws of motion. Newtons stated three laws of motion, namely, Newtons 1st law of motion, Newton's 2nd laws of motion and Newton's 3rd law of motion.

According to Newtons's 1st law of motion : A body continues to be in the state of motion or in the state of rest until and unless an external force is applied to it. In other words, all bodies resists changes to the states of their motion or rest.

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3 years ago

In many of the steps in the lab, a mixture was centrifuged and then decanted. In general terms, what is accomplished by these st

nirvana33 [79]

Answer:

to separate the compounds by gravity

Explanation:

Centrifuging is the process of separating compound in a liquid mixture by means of gravity and settling. This makes use of the density principle. In the process, the sample is added to the centrifuge. This is then rotated at a certain speed, say 50 rpm. The circular motion creates a force of gravity that pulls the compounds downwards. This then separate the compounds. The heaviest and most dense go down first, then the lighter particles on the top.

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3 years ago

what is the products of the reaction between 2-methylbut-2-ene and HCL 1b. write the IUPAC names of the product of the reaction;

zzz [600]

Answer:

Explanation:

2 - chloro-2-methylbutane

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3 years ago

How many grams of water (H2O) are there in 2.60 mol of the compound?

ad-work [718]

Answer:

46.839728 grams of water

Explanation:

1 mole is equal to 1 moles H2O, or 18.01528 grams

18.01528 times 2.6 = 46.839728

There are 46.839728 grams h20 in 2.60 mol of the compound

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3 years ago