Water molecules attract to one another to form what kind of bonds?

Answers

Answer 1

Answer: The bond is hydrogen bond, that happens with a (H -- O) bond.

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Homogenized whole milk contains 4% butterfat by volume. how many milliliters of fat are there in a glass (250 ml) of milk?

Answers

Volume of one glass of milk = 250 mL

Percent by volume of butterfat in homogenized milk = 4%

This means 4mL butterfat is present per 100mL milk

Volume of fat present in 250 mL of homogenized milk:

$250mL milk*(4mL butterfat)/(100mL milk)= 10mL butterfat$

Therefore, 250mL homogenized milk which is 4 % butterfat contains 10mL butterfat.

If the density of butterfat is 0.8g/mL, the mass of butterfat present in 250mL milk will be:

$10mL butterfat*(0.8g butterfat)/(1mL butterfat) =8g butterfat$

Parts per million is used to express the

Answers

It is used to express very small concentrations of solute. Hope this helped ☻

What occurs in both fusion and fission reactions?(1) Small amounts of energy are converted into
large amounts of matter.
(2) Small amounts of matter are converted into
large amounts of energy.
(3) Heavy nuclei are split into lighter nuclei.
(4) Light nuclei are combined into heavier nuclei

Answers

Fusion and fission are nuclear reactions that convert a small amount of matter into a large amount of energy.

The fusion reaction is the reaction in which the molecules combine and form energy. The fission reaction is the decomposition nuclear reaction where the matter is degraded into a small entity and the energy is released.

The energy is not converted into matter in both reactions. There is no splitting or combination of nuclei in both reactions.

Thus, the small amount of matter is converted into a large amount of energy is correct.

For more information, refer to the link:

brainly.com/question/4837991

I believe the correct answer from the choices listed above is option 2. Small amounts of matter are converted into
large amounts of energy occurs in both fusion and fission reactions. They are nuclear reactions where a change in the identity or characteristics of an atomic nucleus results when it is bombarded with an energetic particle, as in fission, fusion, or radioactive decay.

What is an oxpecker bird eats insects off the back of a rhinoceros

Answers

Actually when the oxpecker bird eats insects off the back of the rhinoceros. They are helping each other. The bird gets a nutritious snack while the rhinoceros gets those pesty and annoying bugs off of him. This is also called a Symbiotic relationship. When both organisms of different species work together to benefit the other.
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A saturated solution of NaNO3 is prepared at 60.°C using 100. grams of water. As this solution is cooled to 10.°C, NaNO3 precipitates (settles)out of the solution. The resulting solution is saturated. Approximately how many grams of NaNO3 settled out of the original solution?
(1) 46 g (3) 85 g
(2) 61 g (4) 126 g

Answers

The answer is 46 g

The explanation :

According to the attached curve of the relation between the temperature and the grams in solutions:

-we can see from the curve that the grams of NaNO3 at 60°C = 126 g

-and the grams of NaNO3 at 10°C = 80 g

-so, To get the grams of NaNO3 settled out of the original solution, we will subtract the grams of NaNO3 at 10°C - the grams of NaNO3 at 60°C

126 g - 80 g = 46 g

∴ the correct answer is 46 g

The answer is (1) 46g. This is related to the solubility curve of the NaNO3. The solubility of NaNO3 under 60 ℃ is 126 g. And the solubility under 10 ℃ is 80 g. So the NaNO3 precipitates is 126-80=46 g.

Which scientist did people think was insane so they dismissed his ideas for almost 2000 years?

Answers

Alfred Wegener

I think let me know if I am wrong

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