1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nuetrik [128]
3 years ago
7

Question number 10 & 11, answer please and thank you

Chemistry
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

molarity = moles of solution/liters of solution

molarity = 1 mole/2 liters

molarity = 0.5 M

molarity = 50 moles/200 kg

molarity = 0.25 M

Explanation:

You might be interested in
Why is petroleum called liquid gold?
lana66690 [7]

Answer:

It is called liquid gold because of its high price and value and its economic need by all the countries worldwide.

Explanation:

Petroleum is present in abundant quantity in the some regions . So it is considered as Liquid gold, which they value a lot.

3 0
3 years ago
In an atom, the number of neutrons determines most specifically the ________.
lord [1]

In an atom, the number of neutrons determines most specifically the isotopes of an element.

<h2>Further Explanation</h2><h3>An atom  </h3>
  • An atom is defined as the smallest particle of an element that can take part in a chemical reaction.
  • Atoms are made of energy shells and the inner nucleus.
  • It is also made up of subatomic particles, protons and neutrons.
<h3>Neutrons  </h3>
  • They are sub-atomic particles in an atom that are found in the nucleus of an atom. They have a zero charge or no charge.
  • Neutrons are slightly heavier than protons.
  • The number of protons and neutrons in a nucleus of an atom results to the atomic mass number of an atom. Like protons they only take part in nuclear reactions.
<h3>Protons</h3>
  • Protons are subatomic particles that are found in the nucleus of an atom. They are positively charged. with a charge of +1.
  • The number of protons differ from one element to another and thus used as the atomic number of an individual element.
  • The nucleus of an atom is positively charged due to the positive charge of the protons.  
  • Additionally, protons do not take part in chemical reactions but in nuclear reactions.
<h3>Electrons  </h3>
  • They are found orbiting the nucleus on energy shells based on Clouds’ theory. Electrons are negatively charged each with a charge of -1.
  • The number of electrons and protons in a neutral atom are equal. Additionally they have the least mass of the three sub-atomic particles.
  • Electrons are the only sub-atomic particles that take part in chemical reactions.
<h3>Isotopes </h3>
  • Isotopes are atoms of the same element that have the same mass number but different atomic number.
<h3>Mass number;</h3>
  • Mass number is the sum of the number of protons and neutrons in the nucleus of an atom of an element.

Keywords: Atom, sub-atomic particles, electrons, protons, neutrons, isotopes  

<h3>Learn more about:</h3>
  • Sub-atomic particles: brainly.com/question/12762384
  • Electrons: brainly.com/question/1264222
  • Protons: brainly.com/question/1264222
  • Neutrons: brainly.com/question/1264222
  • Mass number: brainly.com/question/2152789
  • Atomic number: brainly.com/question/8100107

Level: High school

Subject: Chemistry  

Topic: Atomic structure

4 0
3 years ago
Read 2 more answers
It is safe to stand on the top step of a ladder provided it is braced properly. A) True B) False
Roman55 [17]

FALSE You are never allowed to stand on the top of the ladder even if all legs are on the ground

3 0
3 years ago
Is vinegar a substance or a mixture?
ahrayia [7]
Vinegar is a mixture cause its composed of water and acetic acid.
6 0
3 years ago
How can the existence of spectra help to prove that energy levels in atoms exist?
Liula [17]
The existence of spectra can help the existence of atoms by expanding and multiplying in the law of London Dispersion
6 0
3 years ago
Other questions:
  • Jim collects a sample of beach sand during a class trip. After a close inspection of the sample he classifies it as a __________
    5·2 answers
  • An object with a mass of 24g and a volume 6mL has a density of?
    5·2 answers
  • You could add HCl(aq) to the solution to precipitate out AgCl(s). What volume of a 0.190 M HCl(aq) solution is needed to precipi
    14·1 answer
  • What is Magnesium? (Give me a straight answer plz)
    5·2 answers
  • The standard cell potential of the following galvanic cell is 1.562 V at 298 K. Zn(s) | Zn2+(aq) || Ag+(aq) | Ag(s) What is the
    9·2 answers
  • Why do orb webs hav non-sticky radius threads ?
    6·1 answer
  • When most liquids freeze, explain what happens to the motion and the space between the atoms.
    11·1 answer
  • Question 6
    12·1 answer
  • What will form when we add Co2 plus H20.
    7·2 answers
  • Mastering chemistry - WHY IS THIS WRONG!!
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!