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
Solnce55 [7]
3 years ago
5

An atom of iron has the atomic number 26. This means that

Chemistry
1 answer:
Zanzabum3 years ago
8 0

Answer:

Answer in explanation

Explanation:

An atom of iron having an atomic number of 26 means there are 26 protons in the nucleus of the iron atom. This also means that for an electrically neutral atom of iron, there are 26 electrons orbiting the nucleus of the iron atom.

Factually, this also means that the atom iron occupies the position of the 26th element on the periodic table. Going forward, we can also say that the proton number of the iron element is 26.

You might be interested in
Where would you find the element with least mass?
dexar [7]
C. The lowest mass will be the element in period 1, group 1 (this element is hydrogen)

8 0
3 years ago
PLEASE HELP!! WILL MARK BRAINLIEST AND THANK YOU!!!
Pepsi [2]

Answer:8

Everything after the decimal place is a significant figure here

5 0
4 years ago
Describe the term molarity as it relates to an acid or base.
algol13
It's essentially another word for concentration, of the acid. e.g.  "the molarity of the acid is 3moldm^-3"
8 0
3 years ago
Read 2 more answers
Which item is NOT a kind of evidence used in a systematics?
ale4655 [162]
C. Is the answer.

A term that means “a group of organisms that have similar traits and are able to produce fertile offspring” is “presence of “red blood””
An item that is not a kind of evidence used in systematics.

Cell type and common ancestry are two types used.
4 0
3 years ago
Read 2 more answers
Calculate δs∘rxn for the reaction2no(g) o2(g)→2no2(g)express your answer to one decimal place and include the appropriate units
Anna35 [415]

The δs∘rxn  for the reaction 2NO(g) + O_{2} → 2NO_{2} (g) will be -146 J/K.

Entropy would be a measurable physical characteristic and a scientific notion that is frequently connected to a condition of disorder, unpredictability, or uncertainty.

Entropy would be a measurement of the system's unpredictability or disorder. The entropy increases as randomness do. It has broad properties as well as a state function. It has the unit JK^{-1} mol^{-1}.

Entropy of the reaction can be calculated by the reaction.

ΔS^{0} rxn = 2 mol × S^{0} (NO_{2} (g) - 2 mol × S^{0} NO (g) - 1 mol × S^{0} (O_{2} )

ΔS^{0} rxn  = 2 mol × 240 J/mol.K - 2 mol × 210 J/mol.K-1 mol  ×205.2 J/mol.K

ΔS^{0} rxn  = -146.8 J/K

Therefore, the δs∘rxn  for the reaction 2NO(g) + O_{2} → 2NO_{2} (g) will be -146 J/K.

To know more about reaction

brainly.com/question/20305735

#SPJ4

4 0
1 year ago
Other questions:
  • Iron(III) oxide is formed when iron combines with oxygen in the air. How many grams of iron(III) oxide are formed when 16.7 g of
    15·1 answer
  • A rigid canister holds 50.0 L of helium gas at 32.0°C and 49.9 kPa. The gas is cooled until the pressure reaches 14.2 kPa. What
    5·1 answer
  • What is the value of kc for the decomposition of hi at 623 k?
    5·1 answer
  • PLEASE HELP ME AS SOON AS POSSIBLE!!! I'LL GIVE U BRAINIEST!!!
    6·1 answer
  • A certain ore is 24.3% nickel by mass. how many kilograms of this ore would you need to dig up to have 55.0 g of nickel?
    14·1 answer
  • Which energy source produces carbon dioxide?
    9·1 answer
  • In the chemical reaction: 2 h 2 (g) o2 (g) → 2 h2o (g), with 8 grams of h 2 (2 grams/mole) and 16 grams of o2 (32 grams/mole) an
    7·1 answer
  • A patient received 825 mL of fluid in one day. What is that volume in liters?
    8·1 answer
  • This is actually science but anyways my teacher didn't explain much can someone help?
    5·1 answer
  • Is NO2 an ionic or covalent bond? Will give brainliest for the correct answer​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!