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ICE Princess25 [194]
3 years ago
14

Which of the following terms describes carbon tetrachloride?(CCI4)

Chemistry
2 answers:
garri49 [273]3 years ago
5 0
The Answer is C.Compound
Sliva [168]3 years ago
3 0

Answer : The correct option is, (C) compound  

Explanation :

Mixture : It is defined as the substance that is made by the combination of two or more different components.

Pure substance : It is defined as a substance that is made by the combination of only one type of atom or only one type of molecule.

Compound : It is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.

Element : It is a pure substance which is composed of atoms of similar elements.

The carbon tetrachloride (CCl_4) is made from atoms of different elements (carbon and chlorine) combined together in a fixed ratio by mass.

Hence, the carbon tetrachloride (CCl_4) is a compound.

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A 125-mL sample of an aqueous solution of the protein ovalbumin from chicken egg white contains 1.31 g of the dissolved protein
Stella [2.4K]

The molar mass of the protein is 45095 g/mol.

The mass of a sample of a chemical compound divided by the quantity, or number of moles in the sample, measured in moles, is known as the molar mass of that compound.

The expression of molar mass of protein is

M₂ = (W₂/P) (RT/V)

Given;

W₂ = 1.31g

P = 4.32 torr = 5.75 X 10⁻³ bar

R = 0.083 Lbar/mol/K

T = 25°C = 298.15 K

V = 125 ml = 0.125 L

Putting all the values in the above formula

M₂= (1.31 g/5.75 X 10⁻³ bar) X (0.083 Lbar/mol/K X 2)/0.125 L)

M₂ = 45095 g/mol

Thus, the molar mass of the protein is 45095 g/mol.

Learn more about the Molar mass with the help of the given link:

brainly.com/question/22997914

#SPJ4

7 0
1 year ago
Select all the correct answers.
Andrei [34K]

Scientists use scientific notation to communicate extremely small measurements. Hence, option A is correct.

<h3>What scientific notation?</h3>

Scientific notation is a way of writing very large or very small numbers.

Scientists use scientific notation to represent very small or very large numbers because this notation increases the  

  • accuracy of measured quantities.

  • convenience in using the numbers.

  • the number of significant figures.

  • precision of measurements.

Hence, option A is correct.

Learn more about the scientific notation here:

brainly.com/question/18073768

#SPJ1

4 0
1 year ago
. A room temperature white solid is mixed with a room temperature clear liquid resulting in a clear, colorless liquid that is ho
timurjin [86]

Yes, the chemical reaction occurs because new substance is formed and heat energy is released.

<h3>What is chemical reaction?</h3>

Chemical reaction is a process in which one or more substances i.e. the reactants, are converted to one or more different substances i.e. the products so we can conclude that the chemical reaction occurs because new substance is formed and heat energy is released.

Learn more about chemical reaction here: brainly.com/question/11231920

5 0
1 year ago
4. If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride, what is the theoretical yield of acetaminophen
Dominik [7]

Hey There!

p-aminophenol (109.13 g/mol) + Ac2O (102.09 g/mol) ---> acetominophen (151.16 g/mol)

next, since you already know your limiting reactant (p-aminophenol), convert it to mols  :

0.130 g / (109.13 g/mol) = 0.00119 moles

now that's your theoretical max, since its a 1:1 mol ratio, so multiply by the new molecular weight. :

0.00119  * 151.16  = 0.180 g

Hope that helps!

8 0
2 years ago
The melting of ice cream is an example of which of the following?
Rus_ich [418]
It is physical change because ? has changed alone not with chemicals
7 0
3 years ago
Read 2 more answers
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