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3 years ago

Solutions with water as the solvent are called

Chemistry

1 answer:

Soloha48 [4]3 years ago

8 0

Answer:

C. Aqueous Solutions

General Formulas and Concepts:

Aqueous Solutions'

Dissociation
Solvents and Solutions

Explanation:

Water is the universal solution that solvents are dissolved in. Whenever anything is dissolved in water, it will be an aqueous solution.

Strong ionic solutions dissolve into their ions when dissolved in water.

Weak acids and bases don't fully dissociate in water.

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What is the percent yield of a reaction?

Nastasia [14]

Answer:

B. The amount of produd obtained/amount possible * 100

Explanation:

In chemistry, the yield of a chemical reaction is the quantity or amount of products obtained in that chemical reaction. It is calculated by using the following formula:

Percentage yield = Actual yield/theoretical yield × 100

- The actual yield is the amount of products got from a chemical reaction

- The theoretical yield is the amount of product got from using the balanced equation (stoichiometry).

6 0

3 years ago

Calculate the number of moles and the number of grams of the following solution 1. 0L of 0. 50M NaCI

Angelina_Jolie [31]

Assuming the M is molarity, molarity is equal to mols/volume in liters.

So it would be 50M NaCl = X mols/ 1.0L
50M * 1.0L = X mols
X = 50

50 Mols of NaCl

Now that you have mols, you can then convert mols to grams by doing 50mols NaCl * (58.44 g NaCl/ 1 mol NaCl)
= 2922 grams of NaCl

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2 years ago

What is the chemical formula for iodine?

Karo-lina-s [1.5K]

Iodine is I2 (subscript)
Iodide ion is I-

5 0

3 years ago

Which line of evidence has been traditionally accepted as conclusive proof of evolution? the presumed age of the Earth the fossi

Nataly_w [17]

The most generally accepted form of conclusive evidence for the theory of Evolution is the fossil record.

<h3>What is the theory of Evolution?</h3>

The theory of evolution was proposed by Charles Darwin.
It states that as time passes, organisms evolve to better adapt to their environments.
This is closely related to natural selection, which is considered a driving force of evolution.

<h3>How the fossil record supports this theory</h3>

The fossil record provides essential data to support this claim.
The data comes in the form of the comparison between fossils of two closely related organisms, separated by a matter of generations, that present changes in the genetic code that made them more apt for survival.

Therefore, we can confirm that the most generally accepted form of conclusive evidence for evolution is the presence of fossils that show the genetic correlation between two organisms and the progression of evolution between them.

To learn more about evolution visit:

brainly.com/question/2725702?referrer=searchResults

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3 years ago

A tank contains 115 miles of neon gas. It has a pressure of 57 atm at a temperature of 45 c. Calculate the volume of the tank.

Elena-2011 [213]

Answer:

Volume occupied by Neon gas is 52.67 L

Explanation:

Using Ideal Gas Equation:

PV = nRT

where

P = pressure exerted by the gas = 57 atm

V = volume occupied = ?

n = number of moles = 115 moles

R = Ideal gas constant = 0.0821 L.atm/K.mol

(R value should be taken according to the units of Temperature,pressure, volume and mole)

T = Temperature = 45 + 273 = 318 K

(For temperature conversion from C to K add 273 to temperature:T + 273)

PV = nRT , So

$V = \frac{nRT}{P}$

Put values of T,P,n,R

$V = \frac{115\times 0.0821\times 318}{57}$

$V = \frac{3002.39}{57}$

V = 52.67 L

Volume occupied by 115 moles of Neon gas at 57 atm Pressure and 45 C temperature is 52.67 L

6 0

4 years ago