6.
What is the acceleration of a 24 kg mass pushed by a 6 N force?
I jus need number 6

Answer:The electron has a negative charge and the proton has a positive charge, and these charges work against each other to make the electromagnetic force that holds the entire atom together.

Explanation:

This is the answer

Answer:

The moles present in 60 g of calcium are 1.5 moles.

Answer:

In 60 grams there are 1,5 mols

Explanation:

Answer:

because I make eggs and they taste delicious

Answer:

Conclusion

Explanation:

Answer:

1.09 moles of NaOH

Explanation:

First of all, to calculate moles, you need to find the molar mass of NaOH.

Let us first find the molar mass of NaOH then.

Na = 23.0 amu

O = 16.0

H = 1.0

They are 1 nitrogen atom, 1 oxygen atom, and one hydrogen atom.

So do this.

23.0(1) + 16.0(1) + 1.0(1) = 40 g/mol.

Now use dimensional analysis to show your work

43.5 g of NaOH * 1 mol of NaOH / 40 g/mol of NaOH

The grams cancel out.

43.5 / 40.0 = 1.0875

Use sig figs and round the answer to the nearest hundredths place.

1.0875 = 1.09

So the final answer is 1.09 moles of NaOH

Hope it helped!

hardness plays a major role in identifying a mineral. it can make the identification process much simpler by considerably narrowing a search. hardness is defined by how well a substance will resist scratching by another substance.

Answer:

I found this, hope it works

Explanation:

As the mass of the noble elements increases the boiling point gradually decreases and the graph of the two parameters is a straight line graph with downward slope.

What is an element?

It 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. 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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Many angiosperm species rely on the interaction between animals and their flowers for reproduction. As insects, birds or other animals move from one flower to another feeding on nectar, they commonly distribute pollen from flower to flower as they go which leads to plants being pollinated and seeds to be produced.

The answer is False.

Answer:

Liquids

Explanation:because animals like dolphins use sound radiation under water to hear each other

Answer:

D. all of these.

Explanation:

it can travel through solids, liquids, and gasses.

Answer:

Check the electronegativities of the atoms involved in each bond. The greatest difference in electronegativity will correspond to the most polar bond.

The electronegativity can be used to determine the polarity. However, the molecular shape is the best, and easiest way to determine whether a molecule is polar or non-polar.

Answer:

2

Explanation:

The answer is b but I’m not sure

The correct option which shows the relation between particles of the three substances is 1 mole of aluminum = 1 mole of helium = 1 mole of water.

What is a particle?

A particle is a small part of matter.

The term refers to particles of all sizes, ranging from subatomic particles like electrons to visible particles like dust particles floating in sunlight.

The relationship of a number of particles of the substance can be calculated by Avogadro's law

Thus, the correct option is B. 1 mole of aluminum = 1 mole of helium = 1 mole of water

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Answer:

D. 2NO2(g) → N204(9)

Explanation:

A p e x

2NO[tex]_2[/tex](g) → N[tex]_2[/tex]O[tex]_4[/tex](g) reactions would have a decrease in entropy. Therefore, the correct option is option D.

What is entropy?

Entropy is a measureable physical characteristic and a scientific notion that is frequently connected to a condition of disorder, unpredictability, or uncertainty. From classical thermodynamic, where it was originally recognized, towards the microscopic explanation of nature within statistical physics, the name and concept are employed in a variety of disciplines.

It has numerous applications in physics and chemistry, biological systems and how they relate to life, cosmology, economics, society, weather science, and information systems, especially the exchange of information. 2NO[tex]_2[/tex](g) → N[tex]_2[/tex]O[tex]_4[/tex](g) reactions would have a decrease in entropy.

Therefore, the correct option is option D.

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Are frequency and wavelength the same thing? No, they are not the same but each is mathematically related to the other. Effectively, the wavelength is the distance between one wave peak and the next wave peak, or in other words, the distance between one wave high point and the next high point. Alternatively it could of course be said that wavelength is the distance between one wave low point and the next wave low point, but lets not get pedantic about it.

Think of waves in the ocean where a person may be observing the top of one wave and the top of the next wave. The wavelength is the distance between these two wave tops, or peaks. With waves in the ocean, the frequency of the waves will be the number of times that a wave peak crosses any given point on the ocean. It is probably easiest to measure frequency of waves from the ocean by standing on the beach and counting how many waves come up on the sand relative to any given time frame. Frequency is typically measured in how many waves per second but with ocean waves we are better to measure how many waves per minute because naturally the frequency will be less than one per second.

There is actually quite a bit of science over how ocean waves travel around our planet because high and low tide in the ocean are created by the moon. There is a theory that the moon creates waves that have a wavelength equal to half of the circumference of planet Earth. This is because there is a high tide at Earths point that is closest to the moon and then another high point that is at the greatest distance from the moon. The problem is that to keep up with the moon one needs to travel around the Earths equator at about 1800 kph, which is impractical for an ocean wave because they quite simply cannot travel at that fast a speed or velocity (technically angular velocity). This is what causes ocean waves to become so messy at times.

When discussing waves, most people are most comfortable discussing electromagnetic waves because almost all communication systems relied on in modern society are based on these waves and their frequency. When collecting electromagnetic waves, like TV waves, for example, there are several components to the antenna. One of them will typically have a loop of metal, which is where the required energy waves (carrying the required signal) are picked up or collected by the antenna. Don’t worry about the other components of the antenna because most are there simply to remove unwanted background waves that may spoil the quality of the signal that we collect. With the TV antenna, the distance across this “collection loop” is the wavelength that the antenna is tuned to collect.

The reason for a loop on the piece of metal that collects TV waves, rather than using a straight piece of wire, is so that all wavelengths that are close to the required one, will be collected. To get slightly more technical, in modern systems we have “frequency modulation”, which is what FM stand for. This means we deliberately make minor adjustments to the precise frequency, but I better not go into that.

The frequency of a TV wave that is being collected is the number of times in any time frame, that a wave front or wave peak, will cross the collection point. With typical electromagnetic waves like TV waves, we use a frequency that is measured to be so many Hertz. The Hertz is the standard measure of such things and it is equal to a number of wavelengths per second. The reason for this is that electromagnetic waves travel at the speed of light, which is incredibly fast.

If we are talking in the old fashioned “long wave” AM radio waves, then the wavelength is often several hundred metres in length. In Melbourne, Australia, the nearest large city to my home, the government owned ABC used a frequency of 774 kHz for many decades. They still do in fact, although most people tuned in probably rely on a repeater station these days and these will broadcast in a higher frequency. 774 kHz is a frequency of 774 thousand cycles per second. This sounds like a high frequency when compared to most other waves, even sound waves, yet because radio waves travel so fast, the wavelength is slightly greater than 387 metres in wavelength, which is almost 424 yards in wavelength.

When comparing wavelength to frequency, one is the inverse of the other so this means that the higher the frequency, the shorter the wavelength, with the rate of travel (velocity) being the factor that determines what sort of figures we come up with when comparing one to the other.
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The environments in which cells grow often change rapidly. Chemicals that could pass into cells, either by diffusion through the cell membrane or by the action of transport proteins, and could bind directly to proteins inside the cell and modulate their activities.

phosphorus

Explanation:

other are diatomic

Cl2

S2

Ne2

I think the answer would be F because the A has trees,B has trees,C has trees,D is very sandy,and E has no snow

According to my calculations for this question I have gotten the answer F

Answer:

dry cell

Explanation:

because it stops when salt distribution becomes equal as bridge is not added

Answer:

a

Explanation:

a p e x :)

Answer:

velocity and momentum

Explanation:

as you exert force, the object accelerates, hence, its velocity increases.

since momentum is mass times velocity, the momentum increases too

Please be reminded, this answer may not be 100% correct

When the force should be applied for a long time so it increases the change in velocity and momentum

What is velocity and momentum?

The momentum of the object should be equivalent to the object mass times with the object velocity

Here

p = mv

Here p means momentum

m means mass

v means velocity

Here the momentum should be directly proportional to the mass of the object and for the velocity of the object also.

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Answer:

b. 0.50 moles

Explanation:

To solve this problem we use Avogadro's number (6.023x10²³ atoms/mol).

By dividing the number of atoms (or molecules) by that number, we can calculate how many moles they represent.

3.01x10²³ atoms ÷ 6.023x10²³ atoms/mol = 0.50 moles

So the answer is option b. 0.50 moles.

ANSWER: because they are not created or destroyed they are just rearranged to form the products

Answer:

no

Explanation:

it is condensation not physical change

Answer:

278.1g/mol

Explanation:

To find the molar mass of the given compound, we must know the atomic mass of the elements within the compound.

Atomic mass of Mg = 24.3g/mol

Atomic mass of I  = 126.9g/mol

So;

  Molar mass  = 24.3 + 2(126.9) = 278.1g/mol

The molar mass of the compound is  278.1g/mol

Explanation:

[tex]\tt{2S+6O_2\implies{2SO_3} }[/tex]

I think subscripts?....

Answer:     Water dissolves nonpolar covalent  substances.

The Nonpolar substance which is nontoxic is better material to be used in making the hand warmers.

A hand warmer is a little substance which can be put in between the hands in order to heat them up. This is particularly of necessity in the cold weather when the hands are cold.

The chemist can distinguish the polar substance from the nonpolar substance by dissolving each substance in water. The polar substance will dissolve in water while the non polar substance will not dissolve in water.

Secondly, the two substances can be heated and the melting temperatures are observed. The ionic substance will melt at a much higher temperature than the nonpolar substance. The Nonpolar substance which is nontoxic is a  better material to be used in making the hand warmers.

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Answer:

See explanation

Explanation:

Number of moles of glucose in 566g = 566g/180g/mol = 3.14 moles

Number of moles of oxygen atoms in 1 mole of glucose= 6 * 16g/16g/mol = 6 moles.

There are 6 moles of oxygen in 1 mole of glucose

x moles of oxygen is therefore present in 3.14 moles of glucose

x = 6 * 3.14/ 1 = 18.84 moles of oxygen

1 mole of oxygen  contains 6.02 * 10^23 atoms of oxygen

18.84 moles of oxygen contains 18.84 *  6.02 * 10^23 atoms = 1.14 * 10^25 atoms of oxygen.

Number of moles of sodium hydroxide in 43g of NaOH = 43g/40g/mol = 1.075 moles

1 mole of NaOH contains 6.02 * 10^23 molecules of NaOH

1.075 moles of NaOH contains 1.075 moles  * 6.02 * 10^23 molecules / 1 mole of NaOH = 6.47 * 10^23 molecules of NaOH

Number of moles of atoms fluorine in SF6 = 6 * 19 g/19 g/mol = 6 mole of F atoms

1 mole of SF6 contains 6.02 * 10^23 molecules of SF6

x moles of SF6 contains 5.5 x 10^24 molecules of SF6

X = 5.5 x 10^24 molecules * 1/ 6.02 * 10^23 molecules

X = 9 moles of SF6

If 1 mole of SF6 contains 6 atoms of F

9 moles of SF6 will contain 9 * 6/1 = 54 atoms of F

Answer:

Elements

Explanation:

Atomic number is a property of elements

3. 426 g

4.  413.4 g

5. 1328.4 g

6. 192.4 g

7. 106.4 g

8. 0.617 mol

Further explanation

Given

moles and mass

Required

Conversion mole to gram

Solution

General formula :

mole (n) = mass : MW

3. 6 moles Cl₂(MW = 71 g/mol) :

= 6 moles x 71 g/mol

= 426 g

4. 5.3 moles CaF₂(MW=78 g/mol)

= 5.3 mol x 78 g/mol

= 413.4 g

5. 8.2 moles FeCl₃(MW=162 g/mol)

= 8.2 mol x 162

= 1328.4 g

6. 2.6 moles Li₂CO₃(MW=74 g/mol)

= 2.6 mol x 74 g/mol

= 192.4 g

7. 3.8 moles N₂(MW=28 g/mol)

= 3.8 mol x 28 g/mol

= 106.4 g

8. 100 g FeCl₃(MW=162 g/mol)

= 100 g : 162 g/mol

= 0.617 mol

Answer:

d) V =  91.3 L

Explanation:

Given data:

Volume of nitrogen = ?

Temperature = standard = 273.15 K

Pressure = standard = 1 atm

Number of atoms of nitrogen = 2.454×10²⁴ atoms

Solution:

First of all we will calculate the number of moles of nitrogen by using Avogadro number.

1 mole = 6.022×10²³ atoms

2.454×10²⁴ atoms × 1 mol / 6.022×10²³ atoms

0.407×10¹ mol

4.07 mol

Volume of nitrogen:

PV = nRT

1 atm × V = 4.07 mol ×0.0821 atm.L /mol.K ×273.15 K

V =  91.3 atm.L /1 atm

V =  91.3 L