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
Nostrana [21]
3 years ago
9

____________  was the first chemist to organize elements by atomic number

Chemistry
1 answer:
Natalija [7]3 years ago
4 0

Answer:

Henry Moseley

Explanation: Passed with 98

You might be interested in
A student measures the S2- concentration in a saturated aqueous solution of iron(II) sulfide to be 2.29×10-9 M. Based on her dat
katrin2010 [14]

Answer:

Ksp FeS = 5.2441 E-18

Explanation:

  • FeS ↔ Fe2+  + S2-

         S          S           S

∴ Ksp = [Fe2+]*[S2-].....solubility product constant

∴ [S2-] = 2.29 E-9 M = S

⇒ Ksp = (S)(S) = S²

⇒ Ksp = (2.29 E-9)²

⇒ Ksp = 5.2441 E-18

8 0
3 years ago
What is a community of organisms interacting with their envoirment?
katen-ka-za [31]
Hope this helps you: Ecology is the study of how organisms interact with their environment<span>, including both abiotic (non-living) and biotic (living) aspects of the </span>environment<span>. It is a very broad definition and the science of ecology tends to overlap other biological sciences.</span>
4 0
4 years ago
Read 2 more answers
How do you prepare the benzene sulphonic acid from benzene?<br><br>​
LuckyWell [14K]

Answer:

add sulfur trioxide

Explanation:

To produce benzenesulfonic acid from benzene, fuming sulfuric acid and sulfur trioxide are added. Fuming sulfuric acid, also refered to as oleum, is a concentrated solution of dissolved sulfur trioxide in sulfuric acid.

3 0
3 years ago
Balance the following reaction. A coefficient of \"1\" is understood.
USPshnik [31]
To balance a reaction, we must say to it that the number of elements in one side is equal to the other side. For a combustion reaction such as the one given, we first need to balance the number of carbon atoms, then the hydrogen atoms and lastly the oxygen atoms.

<span>C4H10 + 13/2O2 → 4CO2 + 5H2O.</span>
8 0
4 years ago
Tricky please help !!!!!!!!
Illusion [34]
A, B, and C because they all equal 5.6 cm and it’s not close to 6.
5 0
3 years ago
Other questions:
  • How many grams of NaCl are present in 350 mL of 0.020 M NaCl solution? (Remember that 1 mole NaCl = 58.44 g/mole.)
    15·2 answers
  • A certain first-order reaction has a rate constant of 2.75 10-2 s−1 at 20.°c. what is the value of k at 45°c if ea = 75.5 kj/mol
    12·1 answer
  • Where are the noble gases on the periodic table and what characteristics do they have?
    14·2 answers
  • How many miles of gas are contained in 890.0 mL at 21.0 C and 0.987 atm
    11·1 answer
  • A certain element X is comprised of isotopes A, B, and C. Isotope A has a mass of 50 amu and is 70% of naturally occurring X. Is
    15·1 answer
  • To increase the pitch of a sound, you must increase the
    11·1 answer
  • How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen?
    8·1 answer
  • A bottle with 18.02 grams of water contains
    11·2 answers
  • Consider the chemical equation.
    12·2 answers
  • A team of engineers is designing a habitat for astronauts to live in on the
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!