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
irinina [24]
3 years ago
13

According to the article, HOW has the discovery of

Chemistry
1 answer:
Irina-Kira [14]3 years ago
8 0

Answer:a

Explanation:

i think so cs i read the ariticle

You might be interested in
The number of grams of H2 in 1470 mL of H2 gas. ​
Lorico [155]

Answer:

0.1313 g.

Explanation:

  • It is known that at STP, 1.0 mole of ideal gas occupies 22.4 L.
  • Suppose that hydrogen behaves ideally and at STP conditions.

<u><em>Using cross multiplication:</em></u>

1.0 mol of hydrogen occupies → 22.4 L.

??? mol of hydrogen occupies → 1.47 L.

∴ The no. of moles of hydrogen that occupies 1.47 L = (1.0 mol)(1.47 L)/(22.4 L) = 6.563 x 10⁻² mol.

  • Now, we can get the no. of grams of hydrogen in 6.563 x 10⁻² mol:

<em>The no. of grams of hydrogen = no. of hydrogen moles x molar mass of hydrogen</em> = (6.563 x 10⁻² mol)(2.0 g/mol) = <em>0.1313 g.</em>

5 0
2 years ago
Why is monatomic compound nonsense?
Tamiku [17]
<span>Because mona means 1 atom, and a compound is made up of 2 or more atoms.</span>
3 0
2 years ago
Nitrogen is used to keep food frozen during transportation.
Greeley [361]

Answer:

Gaseous nitrogen has unique chemical and physical properties that make it suitable for use in food processing. Nitrogen is inert which means it will not react with prepared food materials, which can alter their aromas or flavors. Also, gaseous nitrogen will effectively displace oxygen minimizing oxidation and the growth of microorganisms that cause foods to lose their freshness and deteriorate faster.

Explanation:

Source: https://www.generon.com/using-nitrogen-gas-in-food-packaging/

4 0
2 years ago
the enthalpy of vaporization of an roganic alchol is 35.3 kJ/mol at the boiling pointof 64.2 C calculate the entropy change for
bonufazy [111]

Answer:

Explanation:

s=h/t

=35.3/64.2(c)

=35.3/337.2(k)

=0.104

3 0
1 year ago
PLS HELP ME I WILL GIVE BRAINLIEST TO U I JUST NEED ANSWERS ASAP
elena55 [62]

Answer:

is this multiple choice just wondering

4 0
3 years ago
Other questions:
  • What does the atomic number represent?
    13·1 answer
  • Why does an object in motion stay in motion unless acted on by an unbalanced force?
    11·2 answers
  • Chlorine radicals perform the first propagation step:
    13·1 answer
  • D is a green crystalline solid that dissolves in water to give a very pale green solution addition of sodium hydroxide solution
    10·1 answer
  • If you wanted to make .5 L of a 1 mole/L (M) of MgSO4 solution, how many grams of MgSO4 would you use?
    11·1 answer
  • The _________ energy of a substance is the total kinetic and potential energies of its atoms and/or molecules.
    11·1 answer
  • A model for a potential chemical reaction is shown here. Evaluate the model and the reaction shown. Which statements are correct
    6·1 answer
  • A gas has a volume of 250 mL at 0.29 atm. What will its volume be if the pressure is changed to 0.70
    8·1 answer
  • Which chemical process generates the atp produced in glycolysis?.
    15·1 answer
  • A chemical reaction between X2 (red) and Y2 (blue) produces XY (red-blue). All compounds are in a gaseous state and each molecul
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!