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nignag [31]
3 years ago
6

Select the correct answer.

Chemistry
1 answer:
ser-zykov [4K]3 years ago
3 0

Answer:

Correct option is B. It shows the ratio of elements in the compound.

Explanation:

Empirical formula is the simplest form of the chemical formula. It shows the simplest ratio of atoms in compounds. It is determined by %age of each element.

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2 Which is NOT a function of the skeletal system? A. It gives support to your body. B. It protects your internal organs. C. Bone
timofeeve [1]

Answer:

C. Bones carry impulses to the nervous system.

Explanation:

hop this helps

8 0
3 years ago
You double the partial pressure of a gas over a liquid at constant temperature. Which of these statements is then true? a. The H
natka813 [3]

Answer: Option (e) is the correct answer.

Explanation:

According to Henry's Law, mass of a gas which will dissolve into a solution is directly proportional to the partial pressure of that gas above the solution.

Mathematically,   C = k_{H} \times P

where,   k_{H} = Henry's constant

               P = partial pressure

Since, concentration is directly proportional to partial pressure of a gas. Hence, more is the partial pressure more will be the number of molecules present in the liquid.

Thus, we can conclude that the statement there are twice as many gas molecules in the liquid, is true.

6 0
3 years ago
PLEASE HURRY! What is the name of this alkane?
belka [17]

Answer:

C. 1-ethyl, 3-methylcyclohexane

(Photo for proof at the bottom.)

Explanation:

The 1-ethyl is because you start numbering from the longest branch, towards the next closest branch. Prefix "eth-" means two, there are 2 carbons in the longest branch. 3-methyl is because the next branch is at number 3, and prefix "meth-" means 1, there is 1 carbon in that chain. "Cyclo" in cyclohexane means the skeletal model is shaped like a ring, and the "hexane" means there are 6 carbons in the ring. Prefix "hex" means 6.

Here's a photo of the unit review on Edge. Refer to the 2nd attachment for a visualization.

Please click the heart if this helped.

7 0
4 years ago
An ionic bond would form between which pairs of elements? atomic number 4 and atomic number 18 atomic number 7 and atomic number
weeeeeb [17]

Answer:

atomic number 8 and atomic number 12

Explanation:

atomic number 8 and atomic number 12 , element with the atomic number 8 is oxygen, and the element with atomic number 12 is Magnesium

Magnesium has low ionization energy, hence higher tendency to loose its two outermost electrons to form positive ion.

Oxygen has high electron affinity, hence higher tendency to accept or gain electrons to form negative ion.

The electronegativity difference between the element with atomic number 8 and element with atomic number 12 is greater for the formation of ionic bond

4 0
4 years ago
Which one is convection??? A heater in a fish tank warming the water at the bottom of the tank, Batteries in a flashlight conver
Travka [436]
Warming up next to a fire
7 0
3 years ago
Read 2 more answers
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