Directions: Drag each label to the correct location on the image.
A diagram of a plant cell is shown below. Each line on the diagram points to a different cell organelle. The labels shown each
describe the function of one of these organelles. Correctly match the cell organelles with their functions.

Answer:

60 liter

Explanation:

mass =75 gm

no of mole =75/28

now volume = 22.4 * 75/28 =60

Answer:

Citric acid

Explanation:

Answer:

On edge it is C or option 3 citric acid

Explanation:

Answer:

4.4 g

Explanation:

The equation of the reaction is;

NaHCO3 (aq) + CH3COOH (aq) ----> CO2 (g) + H2O (l) + CH3COONa (aq)

Mass of baking soda - 4.5 g

Molar mass of NaHCO3 = 84.007 g/mol

Number of moles of baking soda= 4.5 g/84.007 g/mol = 0.0536 moles

If 1 mole of NaHCO3 yields 1 mole of CH3COONa

0.0536 moles of NaHCO3 also yields 0.0536 moles moles of CH3COONa

Hence;

Theoretical yield of CH3COONa =  0.0536 moles * 82.0343 g/mol = 4.4 g

Answer:

It belongs to the last group with all the gas whose last shell are common and they are unreactive unlike to other elements which reacts to complete there last shell with total 8 electrons . Helium and Neon have in common that they have there shell complete and they reacts very less or they don't.

Explanation:

Hope it is helpful....

Answer:

5.0X10 -6 M-

Explanation:

The second radiation is less energetic than the former because it has a longer wavelength.

Recall that;

c = λf

c = Speed of light

λ = wavelength

f = Frequency

Now;

λ = c/f = 3 × 10^8 m/s/6.00 x 10^13 s-1

λ = 5  × 10^-6 m

Also;

When f = 5.40 x 10^13 s^-1

λ = c/f = 3 × 10^8 m/s/5.40 x 10^13 s^-1

λ = 5.6 × 10^-6 m

This radiation is less energetic than the former because it has a longer wavelength.

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To Become or cause to become incorporated into a liquid so as to form a solution.

The process of changing from liquid to vapour.

To shape or force something straight, in a curve or angle.

___________________________________

Answer:

1 : 10

Explanation:

For every second the car accelerates 10km/h  

Answer:

15

Explanation:

Answer: 15 people

Explanation:

Answer:

I think it is chemical because neutral makes me think of acidity, which is a chemical property.

Answer:

Ge

Explanation:

Answer:germanium (Ge)

Explanation:

A metalloid is an chemical element that exhibit a mixture   of both metals and non metals properties. On the periodic table, they can be found on a          zig-zagging  line going downwards from the boron to the astatine,dividing  nonmetals on the right and the metals on the left. '

They include

Germanium is  hard, has a grayish-white luster appearance and brittle that it can shatter like glass.

...

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Answer:

It would be October 15th

Explanation:

Answer:

no reaction will occur.

Explanation:

The term ''activity series'' in chemistry is used to describe the series of metals and non metals arranged in an orderly manner of reactivity which is usually arranged from the most active elements to the least reactive elements.

So, from the question we are given that  F > Cl > Br > I. This means that Fluorine, F is the most reactive element in this group of non metals[group seven in the periodic chart/table], while the least reactive element is the Iodine, I.

Hence, Cl, Br and I can not displace F in any chemical reaction since they are less reactive as compared to F.

Therefore, the reaction; Br2 + NaF will not occur because Bromine can not displace Fluorine. Fluorine is more reactive than Bromine

Answer:

A

Explanation:

EDGE

Answer:

A. Thermal enerfy and light

Explanation:

Answer:

A

Hopefully this helped! :D

-LavenderVye

Answer:

B food rotting

Explanation:

Food rotting is chemical change

Answer:

In the history of the periodic table, Döbereiner's triads were an early attempt to sort the elements into some logical order by their physical properties. In 1817, a letter reported Johann Wolfgang Döbereiner's observations of the alkaline earths; namely, that strontium had properties that were intermediate to those of calcium and barium.[1] By 1829, Döbereiner had found other groups of three elements (hence "triads") whose physical properties were similarly related.[2] He also noted that some quantifiable properties of elements (e.g. atomic weight and density) in a triad followed a trend whereby the value of the middle element in the triad would be exactly or nearly predicted by taking the arithmetic mean of values for that property of the other two elements.

Answer:

Fe

Explanation:

Mass of water : 0.45 g

Given

1.5 g ethanoic acid

Required

Mass of water

Solution

Reaction

CH₃COOH + NaOH ⇒H₂O + CH₃COONa

mol CH₃COOH(MW=60 g/mol) :

= mass : MW

= 1.5 : 60

= 0.025

mol H₂O from the equation :

= 0.025(mol ratio CH₃COOH : H₂O= 1 : 1)

Mass of water :

= mol x MW water

= 0.025 x 18 g/mol

= 0.45 g

Answer:

1.81 x 10²⁴atoms

Explanation:

Given parameters:

Number of molecules  = 3 moles

Unknown:

Number of atoms = ?

Solution:

To solve this problem, we are going to use the mole concept.

   1 mole of any substance contains 6.02 x 10²³ atoms

 So

   3 mole of propanone will contain 3 x  6.02 x 10²³ atoms  = 1.81 x 10²⁴atoms

Forming very strong bonds indicates that an atom is unstable. Option B

Therefore, forming very strong bonds indicates that an atom is unstable. Option B

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Answer:

D. People continue to selectively breed plants and animals to produce predictable results.

Explanation:

Gregor Mendel's work with pea plants affect human life today as a result of his ability to produce different results and genetic composition of pea plants through his crossing methods.

This laid the foundation for people today to continue to selectively breed plants and animals to produce predictable results which has lots of advantages associated with it.

Science is used to stop things the are incrediblu diffucult to deal with therefore jeg spiser ikke dreng

The answer is

It can identify the sources of polluted water.

Answer:

In chemistry, yield, also referred to as reaction yield, is a measure of the quantity of moles of a product formed in relation to the reactant consumed, obtained in a chemical reaction, usually expressed as a percentage

The actual yield of the reaction is the calculated amount of product. The correct option is C.

Yield is the final product that was produced after some labor. It might be a reaction, or we might grow something, and the result would be agricultural produce. In chemistry, the yield is related to the product that came after a chemical reaction.

In chemistry, there are two types of yields:

The theoretical yield is the yield that we assumed, and the actual yield is the yield that actually comes after the reaction.

Thus, the correct option is C. The calculated amount of product.

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Answer:

Explanation:

probably C

Answer:

D. I think

.........mm..

Answer:

a number is correct answer 9

Answer:

After two hours, it is observed that Genevieve's Jar has less water than that of Alden.

Explanation:

The water in Genevieve's Jar didn't disappear. It was not drunk by the birds, it simply evaporated. Evaporation is what happens to liquid when they are heated. Water has three states: Solid (that is Ice), Liquid (that is the water which was put in the jar), and gas (vapor).

When water is exposed to heat sources like the sun, its molecules vibrate faster and escape into the atmosphere in form of vapor if the container has an opening.

When this happens for a prolonged period of time, the amount of water in the jar or container becomes less and less in volume.

This is not the case for the jar that was stored in a cool place where the water molecules remained stable.

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