All categories

3 years ago

Which of the following statements is true?

Chemistry

2 answers:

vaieri [72.5K]3 years ago

7 0

I think D?? I apologize if not-check in other answers to be sure ^^

Diano4ka-milaya [45]3 years ago

6 0

Answer:

Explanation:

the molecules are to far apart in fluids I took this test and got 100

You might be interested in

How do atoms with stable nuclei differ from atoms with unstable nuclei?

Korolek [52]

In some atoms, the required energy is not sturdy enough to hold the nucleus together, and the nuclei of these atoms are said to be fractionable. Weak atoms will lose neutrons and protons as they attempt to become stable. In this way, atoms need that required energy.

7 0

3 years ago

Read 2 more answers

Below is the thermochemical equation for the combustion of octane.

Gnom [1K]

5mol produces -10.941KJ

4 mol let produces x KJ

Solve through proportion

5/-10.941=4/x
5x=-43.764
x=-43.764/5
x=8.756 KJ

8 0

1 year ago

Match the salt with the acid and base used to form it in a neutralizing reaction.

nignag [31]

<h3>Answer;</h3>

K2SO4 - KOH and H2SO4

NaBr - NaOH and HBr

<h3>Explanation;</h3>

Salts are compounds that contain positively charged ions and negatively charged ions. That is; they consist of the positive ion of a base and the negative ion of an acid.
Salts may be produced when acids and bases are combined together in equal proportions, a process called neutralization.
During neutralization reactions an acid reacts with a base to form a salt and water as the only products.

4 0

3 years ago

Read 2 more answers

Why is conical flask used in the freezing point of naphthalene activity?

SpyIntel [72]

Answer:

D. To ensure the cooling process is not affected by surrounding temperature

Explanation:

The conical flask acts as a temperature jacket.

6 0

2 years ago

The most important ore of aluminum is _____ show the chemical formula .

3241004551 [841]

Answer:

The most important ore of aluminum is Bauxite.

And its chemical formula is $Al_2O_3.2H_2O$ .

Explanation:

Bauxite is the most important ore of Aluminium from which Aluminium is extracted. Bauxite is a rock and composed of Aluminium bearing mineral.

And its chemical formula is $Al_2O_3.2H_2O$ .

It contains Gibbsite, Bohmite and Diaspore along with iron.

It is a soft material with somewhat white to grey to reddish brown in colour.

It has an earthy lustre and low specific gravity.

5 0

3 years ago