What must be true if an atom is ionized

It is clear from the tabular data that, the monkeys in troop 2 were better to avoid predators and more of them  were able to reproduce. Hence, option D is correct.

In the biosphere, not all living things are fit to survive for a longer life time. Most of them are pray of other higher level animals. Some organisms adopt some strategies to hide from their predators and they can survive more.

It is clear from the table that, the monkeys residing in the ground are more prone to the attacks by their predators. Whereas monkeys living in trees can survive more.

In each year the survival rate is increasing for both troop. However the more number of monkeys which can sustain their population is in troop 2. Therefore, option D is correct.

Find more on natural survival :

https://brainly.com/question/26098341

#SPJ1

ur so ok.

Explanation:

i need points ok.

thanks

Considering that copper occupies Group 11, the ionic compound with a transition metal in it is c. CuSO₄.

A transition metal is any of the set of metallic elements occupying a central block (Groups 3–12) in the periodic table. The differential electron occupies a d subshell.

Which of the following ionic compounds has a transition metal in it?

The ionic compound with a transition metal in it is c. CuSO₄.

Learn more about transition metals here: https://brainly.com/question/2426896

The maximum amount of carbon dioxide that can be formed from 15.2 g of glucose is approximately 22.31 grams.

To determine the maximum amount of carbon dioxide (CO2) that can be formed from 15.2 g of glucose (C6H12O6), we need to use the stoichiometry of the balanced chemical equation for the combustion of glucose.

The balanced chemical equation for the combustion of glucose is:
C6H12O6 + 6O2 -> 6CO2 + 6H2O

From the equation, we can see that 1 mole of glucose reacts with 6 moles of oxygen to produce 6 moles of carbon dioxide.

First, we need to calculate the number of moles of glucose in 15.2 g:
Molar mass of glucose (C6H12O6) = (12.01 g/mol x 6) + (1.01 g/mol x 12) + (16.00 g/mol x 6) = 180.18 g/mol
Moles of glucose = Mass of glucose / Molar mass of glucose = 15.2 g / 180.18 g/mol ≈ 0.0845 mol

Since 1 mole of glucose reacts with 6 moles of oxygen, we need to multiply the number of moles of glucose by 6 to determine the moles of oxygen:
Moles of oxygen = 0.0845 mol x 6 = 0.507 mol

Finally, since 1 mole of glucose produces 6 moles of carbon dioxide, we can calculate the maximum amount of carbon dioxide formed:
Moles of carbon dioxide = Moles of glucose x 6 = 0.0845 mol x 6 = 0.507 mol

To convert the moles of carbon dioxide to grams, we can multiply by the molar mass of carbon dioxide:
Molar mass of carbon dioxide (CO2) = (12.01 g/mol x 1) + (16.00 g/mol x 2) = 44.01 g/mol
Mass of carbon dioxide = Moles of carbon dioxide x Molar mass of carbon dioxide = 0.507 mol x 44.01 g/mol ≈ 22.31 g

Therefore, the maximum amount of carbon dioxide that can be formed from 15.2 g of glucose is approximately 22.31 grams.

Know more about carbon dioxide:

https://brainly.com/question/3049557

#SPJ11

If one form of a gene can mask the appearance of another form, that form is considered dominant over the other form. Option B.

According to Mendel, genes are usually made up of 2 alleles. These alleles can be the same or different. When the alleles are the same, the gene is said to be homozygous. If the alleles are different, the gene is said to be heterozygous.

When the two alleles that make up a gene are different, one will be dominant and the other will be recessive. The dominant gene masks the effect of the recessive gene. In other words, the recessive gene cannot be expressed as long as it coexists with the dominant gene. In order for it to be expressed, it has to be in two copies or a homozygous recessive form.

For the dominant allele, however, only one copy is needed for it to be expressed.

In summary, if one form of a gene can mask the appearance of another form, that form is considered dominant over the other form.

More on genes can be found here: https://brainly.com/question/5519888

#SPJ1

The Solar weather affects the Earth's magnetosphere which is a threat to our magnetic protection and can cause turbulence.

The effect is like widening a hole—suddenly more energy and particles enter the magnetosphere. Auroras intensify, and geomagnetic storms become likely. For this reason, scientists pay careful attention to not only the strength but also the orientation of incoming magnetic fields from the sun. As the wind blows from the galaxy towards the earth it carries with it the Sun's magnetic field. It moves very fast, then smacks right into the Earth's magnetic field. The blow causes a shock to our magnetic protection, which can result in turbulence.

So we can conclude that: The Solar weather affects the Earth's magnetosphere which is a threat to our magnetic protection and can cause turbulence.

Learn more about Solar Weather here: https://brainly.com/question/22517566

#SPJ1

Answer:

1. Elements named after Countries or Places

Americium

Am

Made in 1945 at Chicago USA

Berkelium

Bk

Made in 1950 at the University of California, Berkeley, USA

Californium

Cf

Made in 1950 at the University of California, Berkeley, USA

Copper

Cu

The Romans were the biggest users of copper. Their source of copper was the island of Cyprus. Their name for the island was "Cyprium". They called the metal "Aes Cyprium" - metal of Cyprus. The name became shortened to Cyprium which then became "Cuprum" from which copper gains its modern day symbol.

Francium

Fr

Discovered in 1939 at the Curie Institute, Paris, France.

Gallium

Ga

Named after the Latin name for France - Gallia

Germanium

Ge

Discovered in 1886 by a German Chemist - Winkler.

Polonium

Po

Discovered in 1898 by Marie Curie, who was Polish.

Scandium

Sc

Discovered and mined in Scandinavia

Strontium

Sr

Named after Strontian, a small village in the Western Highlands of Scotland.

__________________________________________________________

4. Elements named after Planets

Helium

He

From the Greek word "Helios" - the Sun. In 1868 during an eclipse of the Sun, Scientists observed a spectral line caused by an unknown element. They named the element Helium. Twenty seven years later in 1895, the element was discovered on Earth.

Neptunium

Np

Named after the planet Neptune. Find the position of the three planets Neptune, Pluto, and Uranus in the Solar system. Now find the position in the Periodic Table of the three elements named after these planets...

Plutonium

Pu

Named after the planet Pluto

Uranium

U

Named after the planet Uranus. The element was discovered in 1789, shortly after the discovery of the planet.

Elements named from Mythology

Tantalum

Ta

Named after the Greek mythological king, Tantalus. It was discovered in 1802 and great difficulties were encountered in dissolving its oxide in acid to form salts. It proved to be a tantalizing problem!

Niobium

Nb

Named after Princess Niobe, the daughter of King Tantalus. According to legend, father and daughter were always found together and were very much alike. The two elements Niobium and Tantalum are usually found together in nature and their properties are very similar. Niobium was discovered in North America in 1801 and was originally named Columbium. It was renamed in 1844 after the connections with tantalum was realized. Find the positions of both elements in the periodic table

Thorium

Th

Named after Thor, the Scandinavian God of War and Thunder. It was discovered and named in 1828. Coincidentally, thorium is used today as a nuclear fuel in nuclear weapons and reactors.

Titanium

Ti

Named after Titans, the Greek supermen. Titanium is an extremely strong metal which resists attack by acids.

Vanadium

V

Named after Vandis, the Scandinavian Goddess of Beauty. The salts of vanadium have beautiful colors.

3. Elements named after Famous Scientists

Curium

Cm

Made in 1944 at Chicago. It was named in honor of Marie and Pierre Curie.

Einsteinium

Es

Made in 1952 at the University of California. It was named in honor of Albert Einstein.

Lawrencium

Lw

All of the man-made elements have been made as a result of the Nuclear Age. The majority of these elements were made at the University of California USA, in a machine called the Cyclotron. The Cyclotron was invented by Professor Ernest Lawrence. Lawrencium was made at the University of California in 1961 and named in his honor.

Mendelevium

Md

Made in 1955 at the University of California. It was named after a world famous Russian Chemist Dimitri Mendeleev.

------------------------------------

8. The chemical symbol for lead is Pb, which comes from the Latin word plumbum, meaning "waterworks," referring back to ancient times when the metal was widely used in the construction of water pipes.

**** MORE ANSWERS ARE UNDER THE QUESTION -- Scroll all the way up ****

I hope this helps!

Answer:

6 Percent Composition. 1. Molar Mass of KBr K = 1(39.10) = 39.10 Br =1(79.90) =79.90 MM = 119.0 79.90 g        119.0 g = 0.6714 3. 0.6714 x 50.0g = 33.6 g Br 2.

The mass of bromine that is present in 50.0 g of potassium bromide is 80 grams.

Relationship between moles and mass will be represented by the below equation:

n = W/M, where

W = given mass

M = molar mass

First we convert the mass of KBr into moles to calculate the moles of bromine through the stoichiometry as:

Moles of KBr = 50g / 119g/mol = 0.42 mol

Dissociation reaction will be represented as:

KBr → K⁺ + Br⁻

From the stoichiometry of the reaction it is clear that 1 mole of KBr produces 1 mole of Bromide, means 1 mole of bromine is present in 1 mole of KBr.

Now mass of Br will be calculated by using the above equation as:

Mass of Br = (1mol)(80g/mol) = 80g

Hence required mass of bromine is 80 grams.

To know more about mass & moles, visit the below link:

https://brainly.com/question/24631381

#SPJ2

As electrons are passed down the electron-transport chain, their energy is used to pump protons across the inner mitochondrial membrane, creating a proton gradient.

This proton gradient is used by ATP synthase to generate ATP, which is the primary source of energy for cells. So, the energy that is lost by the electrons as they move down the electron-transport chain is ultimately used to generate ATP.

Electron transport chain is defined as the succession of process in which electron transfer takes occur across a membrane. Enzymes, peptides, and other molecules make up this substance.

Before energy is produced, 4 electrons travel through the Electron Transport Chain. Each oxygen molecule is further reduced by these four electrons. Oxygen crosses the membrane to produce ATP after joining with a free proton to form water.

A collection of proteins found in the mitochondria's inner membrane make up the electron transport chain. It moves the reduced forms of the Krebs cycle products reduced nicotinamide adenine dinucleotide and reduced flavin adenine dinucleotide.

Learn more about electron transport chain here

https://brainly.com/question/31319497

#SPJ11

Answer:

4 moles of potassium chlorate must be used to produce 6 moles of oxygen gas.

Explanation:

Answer: Group 11

Explanation:

Answer:

1. 7.227x10²⁴ O atoms

2. 0.1944 mol

3. 3.18x10²³ atoms

Explanation:

1. To solve this problem we need to use Avogadro's number, which states the number of molecules that are in 1 mol of a substance:

There are 3 O atoms per NaNO₃ molecule, thus the answer is (3* 2.409x10²⁴) 7.227x10²⁴ atoms.

2. First we convert 10.5 g of N₂O₅ into moles, using its molar mass:

There are 2 N moles per N₂O₅ mol, thus the answer is (2*0.0972) 0.1944 mol.

3. First we convert grams into moles:

Then we use Avogadro's number:

There are 14 O atoms per Fe(H₂O)₂(SO₄)₃ molecule, so the answer is (7.95x10²² * 4) 3.18x10²³ atoms.

The mass of the hexane sample is 0.580 g. The mass of the bomb calorimeter is 1.900 kg, and its specific heat is 3.21 J/g·K. The change in temperature is 4.542 K. So, heat produced during the combustion of hexane is 11195.1576 J.


To calculate the amount of heat produced during the combustion of hexane, we can use the formula q = m × C × ΔT.

First, we need to determine the mass of the hexane sample, which is given as 0.580 g.

Next, we need to find the mass of the bomb calorimeter, which is given as 1.900 kg.

Note that we need to convert the mass to grams by multiplying it by 1000, so the mass is 1900 g.

The specific heat of the bomb calorimeter is given as 3.21 J/g·K.

Finally, we have the change in temperature, which is given as 4.542 K.

Now, we can substitute these values into the formula: q = (0.580 g + 1900 g) × 3.21 J/g·K × 4.542 K.

Simplifying the equation, we get:
q = 2467.8 J/g·K × 4.542 K

Calculating the product:
q = 11195.1576 J

To know more about combustion refer to this:

https://brainly.com/question/31123826

#SPJ11

Answer:

THE MOLARITY IS 2.22 MOL/DM3

Explanation:

The solution formed was as a result of dissolving 37.5 g of Na2S in 217 g of water

Relative molecular mass of Na2S = ( 23* 2 + 32) = 78 g/mol

Molarity in g/dm3 is the amount of the substance dissolved in 1000 g or 1 L of the solvent. So we have;

37.5 g of Na2S = 217 g of water

( 37.5 * 1000 / 217 ) g = 1000 g of water

So, 172.81 g/dm3 of the solution

So therefore, molarity in mol/dm3 = mol in g/dm3 / molar mass

Molarity = 172.81 g/dm3 / 78 g/mol

Molarity = 2.22 mol/dm3

The molarity of the solution is 2.22 mol/dm3

Explanation:

Answer:

4365.54 moles

Explanation:

Take the scientific notation and multiply it by the molar mass of 59.76.

A. Absorption. Both processes are relatod to the way drugs are absorbed into the system.

The volume of the solution is 62.3 mL.

To determine the volume of the solution, we can use the formula:

moles = concentration x volume

First, we need to calculate the number of moles of CuNO3 in the solution:

makefile

Copy code

moles = mass / molar mass

moles = 3.51 g / (CuNO3 molar mass: 187.56 g/mol)

moles = 0.0187 mol

Next, we can rearrange the formula above to solve for volume:

volume = moles / concentration

concentration = 0.300 mol/L (since the solution is 0.300 M)

volume = 0.0187 mol / 0.300 mol/L

volume = 0.0623 L = 62.3 mL

Therefore, the volume of solution is 62.3 mL.

To know more about volume of the solution:

https://brainly.com/question/14710169

#SPJ4

Answer: The volume of the solution is 93.3mL.

Explanation:

1) MASS/MOLAR MASS

3.51 g/125.5 g/mol = 0.028 mol

2) # of moles/ volume

0.028/0.300 = 0.0933 = 93.3 mL

Answer:

The reactants are on the left of the arrow, the products are on the right.

Explanation:

Reactants are the substances that exist before the chemical reaction takes place. When writing a chemical reaction or equation, they are found on the left of the arrow. They react to form new substances, which are known as the products. The products are found to the right of the arrow in the reaction.

Answer:

1. Force

2. contact force

3. non-contact force

4. magnetism

5. strength and direction

6. length, direction

7. newtons

Explanation:

You're welcome <3

Answer:

c

Explanation:

cause

Answer:

Hail

Explanation:

1. The number of moles that are contained in 890 ml at 21.0 °C and 750.0 mm Hg pressure is 0.0368 moles

The ideal gas law states

PV = nRT

where P is the pressure

V is the volume

n is the number of moles

R is the gas constant

T is the temperature

Given:

P = 760 mmHg

760 mmHg = 1 atm

P = 1 atm

T = 21° C = 21+273 K = 294 K

V = 890 ml = 0.89 L

Putting them in ideal gas law,

1 * 0.89 = n * 0.0821 * 294

n = 0.0368

2.  The pressure of the container containing 1.09 g of H in a 2.00 L container at 20.0 °C is 6.55 atm

V = 2 L

n = 1.09/2 = 0.545

T = 20 + 273 K = 293 K

Putting them in ideal gas law,

P * 2 = 0.545 * 0.0821 * 293

P = 6.55 atm

3. The volume of 3.00 moles of gas will occupy at 24.0 °C and 762.4 mm Hg is 72.93 L

P = 762.4 mmHg

P = 1.003 atm

n = 3 moles

T = 24 + 273 K = 297 K

Putting them in ideal gas law,

V * 1.003 = 3 * 0.0821 * 297

V = 72.93 L

4. The volume of 20 g of Argon at STP is 11.2 L

P = 1 atm

T = 273 K

n = 20/40 = 0.5

Putting them in ideal gas law,

V * 1 = 0.5 * 0.0821 * 273

V = 11.2 L

5. The number of moles of gas that would be present in a gas trapped within a 100.0 mL vessel at 25.0 °C is 0.01

V = 100 ml = 0.1 L

T = 25 + 273 = 298 K

P = 2.5 atm

Thus, 2.5 * 0.1 = n * 0.0821 * 298

n = 0.01

6. The moles of gas that would be present in a gas trapped within a 37.0-liter vessel at 80.00 °C at a pressure of 2.50 atm is 3.19 moles

P = 2.5 atm

T = 80 + 273 K = 353 K

V = 37 L

Thus, 2.5 * 37 = 0.0821 * n * 353

n = 3.19

7. The volume will increase if the number of moles of a gas is doubled, at the same temperature and pressure

Keeping the temperature and pressure constant in the gas law we get,

V ∝ n

Thus, the volume is directly proportional to number of moles in this case.

8. The volume occupied by 1.27 moles of helium gas at STP is 28.46 L

P = 1 atm

T = 273 K

n = 1.27

Putting them in ideal gas law,

V * 1 = 1.27 * 0.0821 * 273

V = 28.46 L

9. At pressure 0.415 atm, 0.150 moles of nitrogen gas at 23.0 °C occupy 8.90 L

V = 8.9 L

T = 23 + 273 K = 300 K

n = 0.15 moles

Thus, P * 8.9 = 0.0821 * 0.15 * 300

P = 0.415 atm

10. The volume occupied by 32g of NO at 3.12 atm and 18.0 °C is 8.11 L

n = 32/30 = 1.06

P = 3.12 atm

T = 273 + 18 K = 291 K

Thus, 3.12 * V = 1.06 * 0.0821 * 291

V = 8.11 L

Learn more about Ideal Gas Law:

https://brainly.com/question/27870704

#SPJ1

The gas chromatographs you will use in lab today have Thermal conductivity detector.

What is Chromatography?

Chromatography is a laboratory method used in chemical analysis to separate a mixture into its constituent parts. The combination is dissolved in a liquid solvent known as the mobile phase, which transports it through a system where a substance known as the stationary phase is fixed.

Every organic chemist and biochemist is familiar with the separation method known as chromatography. As an organic chemist, I have frequently performed chromatographic separations in the lab using a variety of mixtures of substances. In fact, when I was looking through my research pictures, I stumbled upon a picture of a chromatographic separation that I had really performed in the lab. That image seems to be a nice place to start for this lesson!

Hence, The gas chromatographs you will use in lab today have Thermal conductivity detector.

To learn more about chromatography, click:
https://brainly.com/question/11960023

#SPJ4

It will take approximately 8.26 days for the amount of iodine-131 to drop from 50.0 mg to 17.5 mg.

To determine the number of days it will take for the amount of iodine-131 (I-131) to drop from 50.0 mg to 17.5 mg, we can use the radioactive decay formula:

Amount(t) = Amount(0) * e^(-λt)

Where:

- Amount(t) is the amount of I-131 at time t.

- Amount(0) is the initial amount of I-131.

- λ (lambda) is the decay constant.

- t is the time elapsed.

We can rearrange the formula to solve for t:

t = (1/λ) * ln(Amount(0) / Amount(t))

Substituting the given values:

- Amount(0) = 50.0 mg

- Amount(t) = 17.5 mg

- λ = 0.0864 1/days

t = (1/0.0864) * ln(50.0 / 17.5)

Using a calculator, we can compute the value:

t ≈ 8.26 days

Therefore, it will take approximately 8.26 days for the amount of iodine-131 to drop from 50.0 mg to 17.5 mg.

learn more about iodine here:

https://brainly.com/question/30957837

#SPJ11

Answer:

5700 milligrams

Explanation:

To go to a smaller unit you move the decimal to the right.

The substance in the image above would be classified as a mixture of elements (option E).

A compound is a substance formed by chemical bonding of two or more elements in definite proportions by weight.

On the other hand, a mixture is made when two or more substances are combined, but they are not combined chemically.

According to this question, an image is shown with two different substances or elements as distinguished by coloration (white and purple). These elements are combined but not chemically bonded, hence, is a mixture.

Learn more about mixture at: https://brainly.com/question/12160179

#SPJ1

Answer:

8.87 × 10³ moles.

Explanation:

To convert number of molecules of sulfur hexafluoride (SF6) to moles (n), we divide by Avogadro's number (6.02 × 10²³)

That is; n = N ÷ nA

According to the question, 5.34 x 10^27 molecules of SF6 was given in this question. Hence, the number of moles it contains is given as:

n = 5.34 x 10^27 ÷ 6.02 × 10²³

n = 5.34/6.02 × 10^ (27-23)

n = 0.887 × 10⁴

n = 8.87 × 10³ moles.