What is the mass (in grams) of 4.35 x 10^6 atoms of 12^C atom?

Answers

Answer 1

Answer:

The mass of 4.35 ×10⁶ atoms of carbon-12 atom is 8.668×10 $^-17$ g.

What is a mole ?

A mole is a standard specific unit prescribed for measuring large quantities of entities which are very small such as atoms, molecules.It represents large number of units that is 6.022×10²³.

It was previously defined as the number which were experimentally determined to be found in 12 grams of carbon-12.Number of atoms in a mole is same for all substances.

Concept of mole provides quantitative information as to what happens in chemical reaction at a macroscopic level.It is used for determination of simplest formula of a compound.

For all practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons.

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Answer 2

Answer: $mass = moles * Relative formula massmass = 4.35*10^6/6* 10^23 * 12mass = 8.66... * 10^-17 g$

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The ___________________ in the mouth secrete enzymes which help prepare the food for digestion in the stomach.a. teeth
B.tongue
C.salivary glands
D.pancreas

Answers

The salivary glands in the mouth secrete enzymes which help prepare the food for digestion in the stomach.

Answer: salivary glands

Explanation:

this is the correction i got 100% correct

What ingredients are needed to make GHB?

Answers

The Ingredients required are...

GBL (gamma-butyrolactone)
BD (butanediol)

GBL is an ingredient used when stripping paint
BD is an ingredient used in making plastics or adhesives

This drug is illegal because no one can detect it in a drink when dissolved in

A lawnmower runs on gasoline.what type of energy transformation takes place in its engine?

Answers

It would be chemical energy?

Whether an ionic bond or a covalent bond forms, bonds form in order to make newly created substances ________ than the substances they were created from.a. less stable
b. more stable
c. less efficient
d. more efficient

Answers

I am sure the correct answer is B. Bonds are formed in order to make substances more stable than their former. Every process in this world works in order to achieve equilibrium or to be in a stable state this includes chemical reactions. Unstable substances will always find a way to become stable because it is the state with minimum energy.

The solid form of a substance is usually more dense than its liquid and gaseous forms. Similarly the liquid form is usually more dense than the gaseous form. Which of these breaks this general density rule?
A. ice floating in a glass of water
B. vapor rising from a hot cup of tea
C. cooled magma sinking in a lava flow
D. a hot air balloon falling as the gas inside cools

Answers

A is the answer.

Ice is solid, however, water is liquid. Yet ice still floats which is less dense than water.

Hope this helps!

Explain how cobalt-60 and cobalt -59 can be the same element but have different mass numbers

Answers

The number of protons and the atomic number are the same for both forms of cobalt, but the number of neutrons varies for each cobalt ion.

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