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3 years ago

How do you experience homeostasis everyday

Chemistry

1 answer:

Sindrei [870]3 years ago

3 0

Answer:

Homeostasis is the quality of a living being to control its inside conditions. A model is the body directing its inside temperature by shuddering or perspiring. The body controls the measures of acids and bases in the blood.

Explanation:

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When placed between oppositely charged metal plates, the region of a water molecule attracted to the negative plate is the *blan

Gala2k [10]

Answer : The correct option is (A) Hydrogen region of the molecule.

Explanation :

As we know that the water molecule has two hydrogen atom and one oxygen atom. The hydrogen atom has partial positive charge and oxygen has partial negative charge.

In the charged plate, the negative attracts positive and positive attracts negative. So, the hydrogen atom attracted to the negative plate and the oxygen atom attracted to the positive plate.

When water molecule placed between oppositely charged metal plates which is positively charged, then the hydrogen atom which is positively charged attracted towards the negative plate.

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4 years ago

If the larger, metallic object is initially at rest, which of the following tables could summarize its motion over the same time

omeli [17]

Answer:

Explanation:

Its letstute.

Hopes it help you thanks

4 0

4 years ago

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HELPPPPP WILL MARK BRAINLIEST

ivolga24 [154]

Answer: a.b.d

Explanation:

6 0

3 years ago

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A hypothetical element has an atomic weight of 48.68 amu. It consists of three isotopes having masses of 47.00 amu, 48.00 amu, a

Morgarella [4.7K]

Answer : The percent abundance of the heaviest isotope is, 78 %

Explanation :

Average atomic mass of an element is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.

Formula used to calculate average atomic mass follows:

$\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i$

As we are given that,

Average atomic mass = 48.68 amu

Mass of heaviest-weight isotope = 49.00 amu

Let the percentage abundance of heaviest-weight isotope = x %

Fractional abundance of heaviest-weight isotope = $\frac{x}{100}$

Mass of lightest-weight isotope = 47.00 amu

Percentage abundance of lightest-weight isotope = 10 %

Fractional abundance of lightest-weight isotope = $\frac{10}{100}$

Mass of middle-weight isotope = 48.00 amu

Percentage abundance of middle-weight isotope = [100 - (x + 10)] % = (90 - x) %

Fractional abundance of middle-weight isotope = $\frac{(90-x)}{100}$

Now put all the given values in above formula, we get:

$48.68=[(47.0\times \frac{10}{100})+(48.0\times \frac{(90-x)}{100})+(49.0\times \frac{x}{100})]$

$x=78\%$

Therefore, the percent abundance of the heaviest isotope is, 78 %

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3 years ago

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What happens when you drop iodine on a leaf?

insens350 [35]

When you drop iodine on a leaf you may observe a colour change of orange/brown to a blue/black complex.

This is because in the leaf there are starch molecules that form a blue/black complex with the starch molecules.

hope that helps :)

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3 years ago