This attached picture !!

This Attached Picture !!

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Answer 1
Your best way of actually getting the answer is to scale and match each one to the correct tab on the table

Related Questions

Why does the chloride ion have a charge of -1

Answers

Explanation:

As we know that chloride ion is halogen. So it has seven valence electrons in its valence shell. Hence it gains one electron from others during chemical reaction to be stable. So Chloride ion have a negative charge of -1.

Hope it will help :)❤

If I dilute 250 mL of 0.50 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?​

Answers

Answer:

The right answer is "0.17 M".

Explanation:

The given values are:

Volume,

V₁ = 250 mL

V₂ = 750 mL

Molarity,

M₁ = 0.50 M

M₂ = ?

As we know,

⇒  [tex]M_1 V_1=M_2 V_2[/tex]

or,

⇒  [tex]M_2=\frac{M_1 V_1}{V_2}[/tex]

On substituting the values, we get

⇒        [tex]=\frac{0.50\times 250}{750}[/tex]

⇒        [tex]=\frac{125}{750}[/tex]

⇒        [tex]=0.17 \ M[/tex]

Will give lots of points if answered correctly. Determine the kb for chloroform when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.

Answers

Answer: The value of [tex]K_{b}[/tex] for chloroform is [tex]3.62^{o}C/m[/tex] when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.

Explanation:

Given: Moles of solute = 0.793 mol

Mass of solvent = 0.758

[tex]\Delta T_{b} = 3.80^{o}C[/tex]

As molality is the number of moles of solute present in kg of solvent. Hence, molality of given solution is calculated as follows.

[tex]Molality = \frac{no. of moles}{mass of solvent (in kg)}\\= \frac{0.793 mol}{0.758 kg}\\= 1.05 m[/tex]

Now, the values of [tex]K_b[/tex] is calculated as follows.

[tex]\Delta T_{b} = i\times K_{b} \times m[/tex]

where,

i = Van't Hoff factor = 1 (for chloroform)

m = molality

[tex]K_{b}[/tex] = molal boiling point elevation constant

Substitute the values into above formula as follows.

[tex]\Delta T_{b} = i\times K_{b} \times m\\3.80^{o}C = 1 \times K_{b} \times 1.05 m\\K_{b} = 3.62^{o}C/m[/tex]

Thus, we can conclude that the value of [tex]K_{b}[/tex] for chloroform is [tex]3.62^{o}C/m[/tex] when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.

how many molecules are in 23 moles of oxygen

Answers

Answer:

1.385 x 1025 molecules are there in 23 mole of oxygen

PLS HELP ASAP ON BOTH

Answers

Answer:

mesosphere

I hope this helps a little bit.

19. Mesosphere I think

20. True not sure though

In P plants the gene for the color of the sea has two alleys in the punnets square show me love the dominant alley Y represents yellow and recessive alley Y represents green based on the punnets square what percentage of offspring would be expected to have a green seeds

Answers

Answer:

25%.

Explanation:

In the F1 generation, the yellow colour is dominant so 75% of the seeds are yellow colour while on the other hand, 25% seeds are green in colour due to recessive allele. In the F1 generation, the ratio of dominant to recessive allele is 3:1. So on the basis of this 3:1 ratio we can say that there is 75% of yellow colour seeds and 25% of green colour seeds in the population of F1 generation.

¿Cuál de las siguientes reacciones se encuentra CORRECTAMENTE balanceada?

A.
CH4+2O2→CO2+3H2O
B.
CH4+3O2→CO2+2H2O
C.
2KClO3→2KCl+3O2
D.
3KClO3→3KCl+2O2​

Answers

Answer:

opción c es la respuesta correcta espero que te ayude

It takes a season to create a hybrid, and about 15 years to create a_____.

Answers

It takes a season to create a hybrid, and about 15 years to create a Plant variety.

may this helps you

hope it's correct

bye

Select the correct answer. Which electromagnetic wave has the longest wavelength? microwaves O B. infrared rays O C. X-rays radio waves​

Answers

Answer:

microwaves

Explanation:

Microwaves and radio waves are the longest wavelengths while the shortest are gamma rays and x-rays

A science teacher places a sealed microwave bag of popcorn on a balance and measures its mass.

She microwaves the popcorn and finds the mass again before opening the bag. The masses are nearly the same.

Which scientific law does this BEST demonstrate?
Law of Conservation of Energy

Law of Thermodynamics

Law of Conservation of Volume

Law of Conservation of Matter

Answers

Answer:

D.) The Law of conservation of Matter

Explanation: The popcorn goes into the microwave and since matter cannot be created or destroyed the mass stays the same.

Answer:

aki you there how are you

Explanation:

what is the physical change of a liquid to a solid by the removal of heat?

Answers

The addition or removal of heat can cause phase transition like freezing water to ice or melting ice to water or the operation water to vapor condensation vapor to water simulation ice to vapor and the depsition vapor to ice

dichlorine monoxide is polar or nonpolar ?

Answers

Answer:

( dichlorine monoxide ) is Polar Explanation:Answer. Answer = CF2Cl2 (Dichlorodifluoromethane) is Polar What is polar and non-polar? Cl2O ( dichlorine monoxide ) is Polar I'll tell you the polar or nonpolar list below.

Alcohol and water are placed into closed-end manometer, in order to measure the vapor pressure of each of the 2 liquids at 25oC. the figure represents the observation few hours after placing the liquids.

a) Calculate the Vapor pressure of alcohol P vapor (alcohol) in mmHg and atm.
(choose 2 answers!)

1) Vapor pressure in mmHg = 100mm Hg
2) Vapor pressure in mmHg = 50mm HG
3) Vapor pressure in atm = 0.13 atm
4) Vapor pressure in atm = 0.26 atm

Answers

Answer:

3) Vapor pressure in atm = 0.13 atm

Explanation:

9.49.8 grams of Kl is dissolved in 1.00 kg of solvent. What is the molality?

Answers

Answer:

Molality = 9.498 mol  k g − 1

Explanation:

A final way to express the concentration of a solution is by its molality. The molality ( m ) of a solution is the moles of solute divided by the kilograms of solvent. A solution that contains 1.0 mol of NaCl dissolved into 1.0 kg of water is a “one-molal” solution of sodium chloride.

molality = number of moles of solute/ mass of solvent in kg

number of moles of KI = mass of KI / molar mass of KI  

number of moles of KI = 9.49.8 g / 1.00 g  m o l − 1

number of moles of KI = 9.498 moles  

molality = 9.498 moles / 1kg  

molality = 9.498 mol  k g − 1

WILL GIVE 50 points I can’t get on to the website so plz help.

Answers

Explanation:

can you tell us what do want help with?

Answer:

Ok I will give you answer

What are the 2 common uses for Polonium?

Answers

it’s occasionally used to remove static electricity in machinery or dust from photographic film. it can be used as a lightweight heat source for thermoelectric power in space satellites.
Polonium is occasionally used to remove static electricity in machinery or dust from photographic film. It can also be used as a lightweight heat source for thermoelectric power in space satellites.

Using the Periodic Table, Which of the following has the largest atomic radius/size?
So
Ti
О а
Ob
Ос
Od
Y
Zr

Answers

Answer:

vp jokhimon vf dpp gl fl vk hggjuvg7vvohohohohojj

Help me with this please

Answers

Answer:

–253.5 °C

Explanation:

We'll begin by calculating the number of mole in 6 g of CO₂. This can be obtained as follow:

Molar mass of CO₂ = 12 + (2×16)

= 12 + 32

= 44 g/mol

Mass of CO₂ = 6 g

Mole of CO₂ =.?

Mole = mass / molar mass

Mole of CO₂ = 6 / 44

Mole of CO₂ = 0.136 mole

Next, we shall convert 225 mL to L.

1000 mL = 1 L

Therefore,

225 mL = 225 mL × 1 L / 1000

225 mL = 0.225 L

Next, we shall determine the temperature of the gas. This can be obtained as follow:

Pressure (P) = 0.855 atm

Volume (V) = 0.225 L

Number of mole (n) = 0.136 mole

Gas constant (R) = 0.0821 atm.L/Kmol

Temperature (T) =?

PV =nRT

0.855 × 0.255 = 0.136 × 0.0821 × T

0.218025 = 0.0111656 × T

Divide both side by 0.0111656

T = 0.218025 / 0.0111656

T = 19.5 K

Finally, we shall convert 19.5 K to degree celsius (°C). This can be obtained as follow:

T(°C) = T(K) – 273

T(K) = 19.5 K

T(°C) = 19.5 – 273

T(°C) = –253.5 °C

Therefore, the temperature of the gas is –253.5 °C

Given the following data set, calculate the unknown quantity.
P= 1.23 mmHg atm, V=? kL, n= .773 mol, T= 152 °C

Answers

Answer:

V ≈ 16,662.63 L

Explanation:

The data given in the question includes;

The pressure in the medium, P = 1.23 mmHg

The number of moles of the substance present in the medium, n = 0.773 mol

The temperature of the substance in the medium, T = 152 °C = 425.15 K

The unknown quantity, V = The volume filled by the substance

The ideal gas law equation that can be used to find the unknown volume is given here as follows;

P × V = n × R × T

Where;

R = The Universal Gas Constant = 62.363 mmHg·L·mol⁻¹·K⁻¹

From the ideal gas law equation, we get;

V = n × R × T/P

Plugging in the values, gives;

V = 0.773 mol × 62.363 mmHg·L·mol⁻¹·K⁻¹ × 425.15 K/(1.23 mmHg) = 16,662.6305405 L

The volume occupied, which is the unknown quantity, V ≈ 16,662.63 L.

A student combines 20.0 grams of hydrogen and 20.0 grams of oxygen in a reaction. According to the law of conservation of mass, how many grams of water should be produced?
A)20.0grams B)40.0grams C)30.0grams D)10.0grams

Answers

Answer:

A)20.0grams

Explanation:

Answer:

10

Explanation:

Consider the combustion of pentane (C5H12)
a. Write the complete, balanced equation:

b. Determine the limiting reactant if 62.5 grams of pentane combine with 107 L of oxygen gas at STP.
c. If 54.6 L of CO2 gas is produced in the experiment, what is the percent yield?

Answers

Explanation:

C5H12 + 8O2 → 5CO2 +6H2O

balanced✓

stable✓

I come in many different colors and I get bigger when I’m full. I will float away if you don’t tie me down and I will make a loud sound if I break. What am I?

i'm b.o.r.e.d

Answers

Answer:

Balloon

Explanation:

It comes in different colors, it expands when it's "full". It floats away if it is not tied down and will make a loud noise if it pops (breaks).

What volume of 1.50 M KBr is fromed ,using 15.6 mL of concentrated KBr with a molarity of 9.65 M?

Answers

Answer:

100.4mL

Explanation:

Using the following formula:

C1V1 = C2V2

Where;

C1 = initial concentration (M)

C2 = final concentration (M)

V1 = initial volume (mL)

V2 = final volume (mL)

According to the information in this question,

C1 = 1.50M

V1 = ?

C2 = 9.65 M

V2 = 15.6 mL

Using C1V1 = C2V2

V1 = C2V2/C1

V1 = (9.65 × 15.6) ÷ 1.5

V1 = 150.54 ÷ 1.5

V1 = 100.36 mL

Approximately, V1 = 100.4mL

Help please I’m confused

Answers

Answer:1 answer number 1

Explanation:

Which is a physical property of a substance?

A. It is flammable.
B. It is odourless.
C. It is corrosive.
D. It explodes when a spark is present.

Answers

Explanation:

It explodes when a spark is present.. letter D

Answer:

A. It is flammable.

Explanation:

physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.

What is the volume of a canister filled with gas if its pressure is changed to 9.8 atm from 2.5 atm at a volume of 9.1 L?

Answers

Answer:

2.3 L

Explanation:

A change in pressure-volume at constant temperature is described by the Boyle's law. The mathematical relationship between initial pressure and volume (P₁ and V₁) and final pressure and volume (P₂ and V₂) is given by:

P₁V₁ = P₂V₂

We have the following data:

initial pressure: P₁= 2.5 atm

initial volume: V₁ = 9.1 L

final pressure: P₂= 9.8 atm

Thus, we introduce the data in the mathematical expression and calculate the final volume V₂, as follows:

V₂ = P₁V₁/P₂ = (2.5 atm x 9.1 L)/9.8 atm = 2.3 L

Therefore, the volume of the canister is 2.3 L.

life under the sun i need the summaries

Answers

Sunflower movie okay yes

A team of scientists claim that they have discovered a new experimental
method for determining percent composition. Which of the following is
necessary for the claim to be considered valid?
A. The method must support the law of conservation of mass.
B. The percent compositions for any two compounds made from the
same elements must be the same.
C. Each atom must contribute the same mass to the compound.
D. All scientists using the new method must get the same results.

Answers

Answer:

Option C

Explanation:

The new method must support the law of definite proportions which means that if one mole of compound is distributed percentage wise then the sum of % share of each element must be equal to one mole of compound and this percentage distribution always remains the same in all conditions

Hence, option C is correct

2.5 liters of gas is stored at a pressure of 100 atm, if the volume were increased to 4 liters, what would be the new pressure?

a. 250 atm
b. 1000 atm
c. 62.5 atm
d. 160 atm

Answers

Answer:

62. 5

Explanation:

Use P1V1=P2V2

100 × 2.5 =250 /4=62.5

At 35.0°C and 3.00 atm pressure, a gas has a volume of 1.40 L. What pressure does the gas have at 0.00°C and a volume of 0.950 L? Which equation should you use? P subscript 2 equals StartFraction P subscript 1 V subscript 1 T subscript 2 over T subscript 1 V subscript 2 EndFraction. P subscript 2 equals StartFraction T subscript 1 V subscript 2 over P subscript 1 V subscript 1 T subscript 2 EndFraction. P subscript 2 StartFraction equals V subscript 1 V subscript 2 over T subscript 1 T subscript 2 EndFraction P subscript 1.

Answers

Answer:

a

3.92

Explanation:

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