CHEMISTRY HIGH SCHOOL

Which scientific tool is the most useful when trying to convert a known amount of grams of water to moles of water?a scale
a thermometer
a periodic table
a spectrophotometer

Answers

Answer 1
Answer: The correct answer is the third option. A periodic table is the scientific tool that is most useful when trying to convert a known amount of grams of water to moles of water. Converting the amount of a substance from grams into moles, the molar mass is needed where it is the mass of a substance per 1 mole of the substance. This value is written in the periodic table.
Answer 2
Answer:

c. a periodic table

Explanation:

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What is the element Ar classified as in the periodic table?

Answers

Ar is classified as Argon in the periodic table it is a Noble gas having atomic number 18
Me not looking at periodic table i believe its Argon.

List the four components of natural gas in order of increasing strength of intermolecular forces.

Answers

ionic bonds
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hydrogen

How many identical double strands of DNA will be present after three rounds of replication?four
six
eight
nine

Answers

Answer:

eight

Explanation:

In the first stage of DNA replication each DNA molecule replicates into two daughter DNA. In the second stage of DNA replication each of the two daughter DNA molecule replicates into two daughter DNA, thus forming a total of four DNA molecules. In the third stage of DNA replication each of the four daughter DNA molecule replicates into two daughter DNA, thus forming a total of eight DNA molecules.

Every time you replicate DNA you get 2 new DNA and 1 strand of each DNA is composed of the parent strand. So after 3 rounds of replication....
1 --> 2 ---> 4 ---> 8
Out of these 8, 2 of them contain the parent strands. So 2/8 = 1/4 = 25%

Thus the answer is the third option, eight (8).

Pls help its due in a few minutes

Answers

Answer:

Theory

Explanation:

Which statement best describes the formula equation Cl2(g) + 2KBr(aq) mc014-1.jpg 2KCl(aq)+ Br2(l)?A Carbon iodide reacts with potassium bromide to form potassium carbon iodide and bromine.
B Bromine gas reacts with a solution of potassium chloride to form potassium bromide and chlorine gas.
C Potassium bromine gas reacts with liquid chlorine to form potassium chloride in solution and bromine gas.
D Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

Answers

The statement that describes the chemical reaction is D chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromide. The symbol "Cl" represents chlorine. The symbols in the brackets show the physical state of the substance, (g) is gaseous, (s) is solid, (aq) is aqueous and (l) is liquid.
Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

Which of the following has an incomplete octet in the lewis structure?A) SO2
B) ICl
C) CO2
D) F2
E) NO

how to get it?

Answers

"NO" is the one among the following choices given in the question that has an incomplete octet in the Lewis structure. The correct option among all the options that are given in the question is the fifth option or the last option or option "E". I hope that this is the answer that has come to your help.
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