How does a paper bag wrapped around a hot water bottle create convection?

Answer:

answer is 2,445..or B as its noted

Answer:  create more healthy products for the soil and animals

Explanation:

Answer:

Part 1: Condensation is when - a

Condensation happens when- water vapour suddenly freezes

Part 2: Water, condenses, vapour, cold, droplets, Condensation

Answer:

211.0

Explanation:

∆G(free energy) = ∆H(enthalpy) - T∆S(entropy)

∆H = 215KJ/mol

T = 90°C = 273 + 90

= 363K

∆S = 11J/mol/K or 11 × 10^-3kJ/mol/K

∆G = 215- 363(11 × 10^-3)

= 215 - 3.993

= 211.007

To the nearest tenth 211.0

Answer:

Cornea >iris>lens >retina

Explanation:

Can't exactly figure out the answer but I think it should look like this

Answer: cornea → iris → lens → retina

Explanation: I have my ways ;>

Question

What does it mean to optimize a solution?

To find out best possible solution for a given problem within the given constraint is generally termed as optimization

How are solution optimize ?

To solve an optimization problem, begin by drawing a picture and introducing variables. Find an equation relating the variables. Find a function of one variable to describe the quantity that is to be minimized or maximized. Look for critical points to locate local extrema.

B.

Thank Me Later ;))))))

Desert environment will probably have the lowest relative humidity.

Relative humidity is a measure of water vapor content in the air. Desert environment will have the lowest relative humidity due to its high temperature and no availability of water bodies such as river, ocean etc so we can conclude that desert environment will probably have the lowest relative humidity.

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Answer:

In a pure metal, the force needed to make the layers slide over each other is small. This explains why many pure metals are soft. ... The smaller or bigger atoms distort the layers of atoms in the pure metal. This means that a greater force is required for the layers to slide over each other.

Explanation:

In a pure metal, the force needed to make the layers slide over each other is small. This explains why many pure metals are soft. ... The smaller or bigger atoms distort the layers of atoms in the pure metal.

Answer:

4400 ml

Explanation:

Answer:

between metal and nonmetal ions

Explanation:

Answer:

Hydrogen

Explanation:

An example of this can be In this example, hydrogen is the limiting reagent and oxygen is the excess reagent. The amount of product formed is limited by the amount of hydrogen.

Answer:

The frequency of the wave is 34 Hertz

All three elements  in the periodic table will for sure have characteristic of mass and volume.

An element  is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom which is characteristic of it's own. Due to this reason all elements are different from one another.

Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.

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size and shape. only the appearance of the paper will have changed, but is reversible.

Answer:

Here boron-11 means the name of the element is boron and the mass number is 11

Explanation:

Answer:

As the two plates move apart from each other, which often occurs at a rate of several centimetres per year, molten rock wells up from the underlying mantle into the gap between the diverging plates and solidifies into new oceanic crust. Spreading centres are found at the crests of oceanic ridges.

Explanation:

I found this answer by taking notes in class

Answer:

0k HI! so the answer is A

Explanation:

hope is helpful

Answer:

50ml

Explanation:

The formula says that 25 percent of the solution is alcohol, so 200 x 0.25 equals to 50, or 50ml.

Answer:

Its development and progression are usually linked to a series of changes in the activity of cell cycle regulators. For example, inhibitors of the cell cycle keep cells from dividing when conditions aren't right, so too little activity of these inhibitors can promote cancer.

Superficially, the connection between the cell cycle and cancer is obvious: cell cycle machinery controls cell proliferation, and cancer is a disease of inappropriate cell proliferation. Fundamentally, all cancers permit the existence of too many cells.

Explanation:

hope it helps

Answer:

Paper chromatography is a method used to distinguish or separate coloured substance mixtures.

In the image, take an example of colured chemical placed in a glass beaker. If a paper is placed in that chemical, coloured spots are separated and displayed on the chromatogram.

It was founded in 1944 A.D by a scientist called Erwin Cargaff.

Answer:

The differences in atmospheric pressure generate winds.

Explanation:

At the Equator, the sun warms the water and land more than it does the rest of the world. Warm equatorial air rises higher into the atmospher and migrates towards the poles. The complex relationships between fronts cause different types of winds and weather patterns.

I hope this helps :)

Answer:

The observer effect is the answer.

Answer:

Technically only AJ got it correct Howie got it wrong because rotting is a chemical not a physical change AJ  was correct becuase he knew what would make the fruit go faster so yes howie would have been right if he got the right kind change.

Explanation:

hope this help

Answer:

pH = - log [H3O+]     pOH = -log[OH-]

Explanation:

Answer:

Artificial selection, also called "selective breeding” is where humans select for desirable traits in agricultural products or animals, rather than leaving the species.

Considering the reaction stoichiometry, the correct answer is second option: the total number of moles of water produced from 13. 35 mol of oxygen is 26.7 moles.

The balanced reaction is:

2 H₂ + O₂ → 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

Then you can apply the following rule of three: if by stoichiometry 1 moles of O₂ produce 2 moles of H₂O, 13.35 moles of O₂ will produce how many moles of H₂O?

[tex]amount of moles of H_{2} O=\frac{13.35 moles of O_{2} x2 moles of H_{2} O}{1 mole of O_{2}}[/tex]

amount of moles of H₂O= 26.7 moles

Finally, the correct answer is second option: the total number of moles of water produced from 13. 35 mol of oxygen is 26.7 moles.

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Answer:

SnCl4.

Explanation: