Which of the following is not the same as 2.97 milligrams a)0.0000297 kg b)0.00297 g or d)0.297cg

Which of the following is not a weakness of the Rutherford model of the atom?

Harrizon [31]

The answer to this is the atom is mostly empty space.

7 0

2 years ago

What is the iupac nomenclature of diethyl methane

grin007 [14]

Answer:

In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). ... IUPAC names can sometimes be simpler than older names, as with ethanol, instead of ethyl alcohol.

Explanation:

In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). ... IUPAC names can sometimes be simpler than older names, as with ethanol, instead of ethyl alcohol.

7 0

2 years ago

You begin pouring sodium chloride into a glass of water. For a long time, the sodium chloride just dissolves in the water, but s

Gennadij [26K]

Answer:

Option D: The water is saturated

Explanation:

Solubility is the term used to designate the maximum amount of a solute that can be dissolved in a given amount of solvent, at a given temperature and pressure.

At start, you begin with pure water in the glass. This water is a pure substance, not a solution.

When you begin pouring sodium chloride into the glass of water, a solution, i.e. a homogenous mixture of solute and solvent, is formed.

This solution, at first, is diuted, which means that it contanins just few grams (matter) of the solute dissolved.

As, more sodium chloride is dissolved, the solution becomes more concentrated but is unsaturated. At some point, the water cannot dissolve more sodium chloride, because it has reached the maximum amount that can contain at that temperature and pressure. Then, the solution is saturated.

You can tell that the water is saturated, ie it contaiins the maximum amount of sodium chloride that can be dissolved, by that amount of water, at the given temperature, because from that point, you will note that as you pour more sodium chloride, it begins to pile up at the bottom of the glass. Hence, the true statement is the letter D: the water is saturated.

5 0

2 years ago

8. Which of the following are reasons why Index fossils are chosen for determining ages of rocks? Select all that apply .

igomit [66]

Answer:

B. Distributed over a very wide range

D. Limited life existence in geologic time.

Explanation:

Index fossils are very unique fossils that helps in determining the relative ages of rocks and biostratigraphic correlation. They are usually called guide fossils.

Fossils are the preserved remains of dead organisms found in rocks.
Index fossils are a special class of fossils with the following properties;

They are widely distributed.
They have a short stratigraphic range.
They show rapid evolution trends

4 0

2 years ago

Read 2 more answers

Many food chains together create a______

Amanda [17]

Many food chains together create a food web.

hope this helps,, have a nice day :))

3 0

2 years ago