compare and contrast the similarities and differences between passive and active transport

119.37 g/mol

Relative atomic mass (Ar) and relative molecular mass / molar mass (M)  

the molar mass/molecular mass of a compound : the sum of the relative atomic mass (Ar) of the constituent atoms

M AxBy = (x.Ar A + y. Ar B)  

Atomic weight (Ar) of :

The molar mass of CHCl₃

[tex]\tt CHCl_3=12.0107+1,00784+(35,453\times 3)=119.37~g/mol[/tex]

The molar mass of [tex]CHCl_3[/tex] (chloroform) is 119.37 g/mol. Therefore, the correct option is C.

The organic compound chloroform, which has the molecular formula [tex]CHCl_3[/tex], is well known for its use as a solvent and anaesthetic. It consists of three chlorine atoms (Cl), one hydrogen atom (H), and one carbon atom (C).

The molar mass of carbon (C) is approximately 12.01 g/mol, the molar mass of hydrogen (H) is approximately 1.01 g/mol, and the molar mass of chlorine (Cl) is approximately 35.45 g/mol. We add up the molar masses of all the individual atoms to determine the molar mass of [tex]CHCl_3[/tex]:

(1 * molar mass of C) + (1 * molar mass of H) + (3 * molar mass of Cl)

(1 * 12.01 g/mol) + (1 * 1.01 g/mol) + (3 * 35.45 g/mol)

12.01 g/mol + 1.01 g/mol + 106.35 g/mol

The molar mass of [tex]CHCl_3[/tex] is approximately 119.37 g/mol.

Therefore, the correct answer is C.

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Answer:

A

Explanation:

Answer:

yeah someone explain

Explanation:

tttttttttt%ttttttt

Answer:

A heat exchanger is device which is designed to transfer heat from one matter to another. In nuclear power plants, these heat exchangers are used to pass heat from primary system to the secondary system. In the process they produce steam from water, they are also called steam generators or pressurized water reactors.

Answer:

Saturated is the answer you are looking for

Explanation:

This is saturated's meaning: holding as much water or moisture as can be absorbed; thoroughly soaked.

"a mass of saturated air decreases in temperature as it rises in the atmosphere" Hence why the answer is saturated! :)

Hope this helps! :)

Answer: Saturated

Explanation: On Edge!!!!!!!!!!!!!

Answer:

The percent isotopic abundance of Ir-193 is 60.85 %

The percent isotopic abundance of Ir-191 is 39.15 %

Explanation:

we know there are two naturally occurring isotopes of iridium, Ir-191 and Ir-193

First of all we will set the fraction for both isotopes

X for the isotopes having mass 193

1-x for isotopes having mass 191

The average atomic mass is 192.217

we will use the following equation,

193x + 191(1-x) = 192.217

193x + 191 - 191x = 192.217

193x- 191x = 192.217 - 191

2x = 1.217

x= 1.217/2

x= 0.6085

0.6085 × 100 = 60.85 %

60.85% is abundance of Ir-193 because we solve the fraction x.

now we will calculate the abundance of Ir-191.

(1-x)

1-0.6085 =0.3915

0.3915× 100= 39.15 %

Answer:

1. Mg²⁺   2. Cl⁻    3. PO₄³⁻

Explanation:

Answer:

1. Mg²⁺

2. Cl⁻

3. PO₄³⁻

Explanation:

Feel free to give brainliest.

Have a great day!

The modern periodic table consists of the elements which are arranged in the increasing order of their atomic numbers. The element 'C' belongs to 14th group of the periodic table. The correct option is A.

The orbital diagrams are the pictorial representation of the electrons in an atom. The orbital diagrams are mainly based on the Auf Bau principle, Pauli's exclusion principle and Hund's rule of maximum multiplicity.

According to Auf Bau principle, the electrons are arranged in the orbitals in the increasing order of their energies. The pauli's exclusion principle states that no two electrons in an atom can have the same set of four quantum numbers.

The hund's rule states that the unpaired electrons in the orbitals have parallel spins. The atomic number of 'C' is 6, and its electronic configuration is 1s²2s²2p².

Thus the correct option is A.

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Answer: Q4=1 Q5=2

Explanation:

Best of luck.

Answer:

4. '4' "pathogens can interfere with normal life functions."

5. '2' "synthesizing antibodies that mark these organisms to be destroyed."

Explanation:

Answer:

Photoautotrophs

Explanation:

I think you mean "autotroph"

The answer is photoautotrophs. they use sunlight to make their food

Don't forget to rate the answer for others

Answer: % yield

=

actual yield

theoretical yield

⋅

100

%

So, let's say you want to do an experiment in the lab. You want to measure how much water is produced when 12.0 g of glucose (

C

6

H

12

O

6

) is burned with enough oxygen.

C

6

H

12

O

6

+

6

O

2

→

6

C

O

2

+

6

H

2

O

Since you have a

1

:

6

mole ratio between glucose and water, you can determine how much water you would get by

12.0

g glucose

⋅

1 mole glucose

180.0 g

⋅

6 moles of water

1 mole glucose

⋅

18.0 g

1 mole water

=

7.20

g

This represents your theoretical yield. If the percent yield is 100%, the actual yield will be equal to the theoretical yield. However, after you do the experiment you discover that only 6.50 g of water were produced.

Since less than what was calculated was actually produced, it means that the reaction's percent yield must be smaller than 100%. This is confirmed by

% yield

=

6.50 g

7.20 g

⋅

100

%

=

90.3

%

You can backtrack from here and find out how much glucose reacted

65.0 g of water

⋅

1 mole

18.0 g

⋅

1 mole glucose

6 moles water

⋅

180.0 g

1 mole glucose

=

10.8

g

Explanation:

Answer:no answer,

Explanation: but if the other dude see this can you re word Wht u said it’s hard to make sense of it

Answer:helium or the noble gases

Explanation: The ionization energy decreases from top to bottom in groups, and increases from left to right across a period. Thus, helium has the largest ionizing energy

Answer:

what I'm not really understand this question

Answer: Lithium fluoride is an inorganic compound with the chemical formula LiF.

Answer:

The chemical formula for lithium fluoride is LiF. I hope this helps

Answer:

Acting like a highly reflective blanket, the cryosphere protects Earth from getting too warm. Snow and ice reflect more sunlight than open water or bare ground. Changes in snow and ice cover affect air temperatures, sea levels, ocean currents, and storm patterns all over the world.

Explanation: Hope this answers your question

Answer: electrical energy

Explanation:

According to law of conservation of energy, energy remains conserved. It only transforms from one form to another.

Chemical energy is the energy stored in the bonds of molecules.

Electrical energy is the energy possessed by a body by virtue of movement of electrons.

Thus when When electricity is produced from coal the chemical energy in coal is changed to electrical energy

Answer:

Eggs Frying

Explanation:

;)

Answer:

9.03 x 10²³atoms

Explanation:

Given parameters:

Number of moles of CO₂  = 1.5mol

Unknown:

Number of atoms  = ?

Solution:

In a mole of a substance, we have the Avogadro's number of particles which is 6.02 x 10²³atoms.

  Using this number, we can determine the amount of atoms in any substance.

If;

       1 mole of CO₂ contains 6.02 x 10²³ atoms;

     1.5mole of CO₂ will contain 1.5 x 6.02 x 10²³ atoms

                                                = 9.03 x 10²³atoms

Answer:What volume of 9.00 M nitric acid is needed to make 6.50 L of 1.25 M solution? 903 mL What molarity should the stock solution be if you want to dilute 25.0 mL to 2.00 L and have the final concentration be 0.103 M?

Explanation:

Answer:

Im a 100% sure it is B. average molecular speed of ethane is greater than the average molecular speed of propanol.

Explanation:

Sry I didnt' get the explaination from my teacher.

According to the Kinetic theory of gases, the average speed of all gases at the same temperature will be in the same range. Hence, option C is correct.

Kinetic theory of gases states the properties and composition of gases at a temperature and pressure. According to this theory, gaseous substances are made of tiny particles which are free to move and collide to each other.

The kinetic energy of the particles is directly proportional to the temperature. Hence, as the temperature increases, the kinetic energy increases and their average molecular speed increases.

At the same temperature, all the gases have equal range of average molecular speed irrespective of their molecular weight. Hence, at 400 K the average molecular speed of ethane and propanol will be the same.

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Answer: 116.15 g/mol

Answer: Science is a particular way of knowing about the world. In science, explanations are restricted to those that can be inferred from confirmable data—the results obtained through observations and experiments that can be substantiated by other scientists. Anything that can be observed or measured is amenable to scientific investigation. Explanations that cannot be based on empirical evidence are not a part of science.

Explanation:

Answer:

Modeling can help scientists study things that they can’t directly observe. Plesiosaurs no longer exist. So, scientists can’t directly see how they moved their flippers. However, they can use existing evidence—the fossil structures of plesiosaurs—to bring these organisms to life in a computer model.

Explanation:

Sample but you can reword

Answer: D. a mixture

Explanation: When you mix different types of nuts or snacks together including raisins, hazelnuts, almonds, and peanuts to make some kind of trail mix, then you are creating a mixture, specifically a heterogeneous mixture.

Answer:

im pretty sure its the second one

Answer:

yes

Explanation:

as the salt is a polar compound which means that its dissolvable in water

so the salt would be solute and the water is the solvent

Answer:

E = 3.035× 10-¹⁹J = 1.9eV

f = 4.58 × 10¹⁴Hz

Explanation:

wavelength = 6.55 × 10-⁷m

c = 3 × 10⁸m/s

f = ?

E = ?

a) f = c/wavelength

f = 3 × 10⁸/6.55 × 10-⁷

f = 4.58 × 10¹⁴Hz

b) E = hc/wavelength

E = 6.626×10-³⁴ × 3 × 10⁸/ 6.55 × 10-⁷

E = 3.035 × 10-¹⁹J

1ev = 1.6 × 10-¹⁹J

Therefore E = 3.035/1.6 = 1.9eV

Hope it's not too late man

Answer:

A

Explanation:

thanks me hehe lovelots