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Strike441 [17]
3 years ago
5

Think about what you need to stay alive. Consider how this might apply to yeast. Why do you think sugar was added to the yeast-a

nd-water mixture?
Biology
1 answer:
Marizza181 [45]3 years ago
8 0

In warm sugar water the yeast will grow and continue to feed on the sugar until it is all gone and as it does this it'll create waste products that are used both in beer and bread.

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Lesson 01.04 Properties of Water
ryzh [129]

Answer:

1= In living organisms cells are composed of water or we can say that water is one of the important constituent of cells.

2= Hydrogen bonding import man properties to the water such as cohesion, high heat of vaporization, high heat capacity etc.

3= Because of high polarity, all polar substance get dissolve and make it universal solvent.

Explanation:

Solvent is the that part of solution which is present in large proportion and have ability to dissolve the solute. In simplest form it is something in which other substance get dissolve. The most widely used solvent is water, other examples are toluene, acetone, ethanol, chloroform etc.

Water is called universal solvent because of high polarity all polar substance are dissolve in it. Hydrogen is less electronegative while oxygen is more electronegative and because of difference in electronegativity hydrogen carry the partial positive charge while oxygen carry partial negative charge.

Hydrogen bond:

The hydrogen bond is the attraction between the toms which already take part in the other chemical bons. The one atom is hydrogen while other may be oxygen, nitrogen or fluorine.

The hydrogen bonding in water import man y properties in it such cohesion, high heat of vaporization, high heat capacity etc. The hydrogen bond hold the water molecules together.

Water create electrostatic interaction with other polar molecules. The negative end of water attract the positive end of polar molecules and positive end of water attract negative end of polar substance and in this way polar substance get dissolve in it.

Example:

when we stir the sodium chloride into water the cation Na⁺ ions are surrounded by the negative end of water i.e oxygen and anion Cl⁻ is surrounded by the positive end of water i.e hydrogen and in this way all salt is get dissolved.

7 0
3 years ago
Please help I’m science!!
prohojiy [21]

Answer:

The advantage of 2nd one is no partner is needed, Less energy is required. Disadvantage is no variation for genetic problems, The offspring will have everything of the parent. For the 1st one reproduction advantage Is a higher survival rate. Disadvantage is a lot of energy is needed Because it requires a ( male and female)

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2 years ago
What is the force of resistance acting between objects in contact and tending to dampen their motion?
Zanzabum

Answer: 3.friction

Explanation: friction is a force of resistance acting between objects in contact and tending to dampen their motion

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Which of the following shows a chemical reaction in which sulfur tetrafluoride and water are the reactants and hydrogen fluoride
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B. sulfur tetrafluoride + water → hydrogen fluoride + sulfur dioxide
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If you look closely at a bubble in the light, you can see rainbows on the surface. Why does this happen?
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Because the sun adds light to the clear bubble
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