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
AnnyKZ [126]
3 years ago
10

EASY 8TH GRADE SCIENCE

Chemistry
2 answers:
mixer [17]3 years ago
6 0
Generally chemists measure substance in moles because it is very difficult to count the number of molecules<span />
Korvikt [17]3 years ago
6 0

the answer is Mole. if this helps

You might be interested in
How is Oxygen -18 different from oxygen -16?
STatiana [176]

Answer:The only one difference is that ozone is made up of three oxygen atoms, while the stuff we breathe is made up of only two atoms.

Explanation:

8 0
3 years ago
What is the temperature of 0.55 mol of gas at a pressure of 1.5 atm and a volume of 12.6 L ?
Taya2010 [7]

Answer:

The temperature is 419,1 K

Explanation:

We use the formula PV=nRT  T=PV/nR

T=1,5 atm x 12,6 L/0,55 mol x 0,082 l atm/K mol

T= 419,0687361 K

3 0
3 years ago
Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation: ()bao
just olya [345]

Based on the given chemical equation, the value of coefficient that is used in the reaction before each molecule is 1.

<h3>What is balanced equation?</h3>

Balanced chemical equations are those equation in which each element is present in equal amount on both side of the chemical reaction.

Given chemical reaction is:

BaO₂ + H₂SO₄ → H₂O₂ + BaSO₄

Above reaction is balanced as all elements are present in equal amounts on both sides. So, the value of coefficients is 1.

Hence the required coefficients is 1.

To know more about balance equations, visit the below link:

brainly.com/question/26227625

3 0
2 years ago
Which element forms more compounds than all the other elements combined?
katen-ka-za [31]
The Element that form more compounds than all the rest is Carbon.

Elements of Carbon
<span>A molecule of the compound carbon dioxide contains one atom of the element carbon and two atoms of the element oxygen. Each oxygen atom shares a double bond with the carbon atom. Carbon is the sixth element in the periodic table and occurs in pure form as coal and diamonds.

Hopefully I helped ^.^ Mark brainly if possible~
</span>
5 0
4 years ago
A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories. How much is this in Joules?
Sophie [7]

Answer:

B

Explanation:

962,320 J

230 nutritional Calories in Joules is 962,320 J

4 0
2 years ago
Other questions:
  • Select all that apply. Images produced by a flat mirror are? ( theres more than one answer)
    5·1 answer
  • What is the sulfur ion electron diagram?
    8·1 answer
  • What happens to the average kinetic energy of gas particles as the temperature increases?
    13·1 answer
  • Cu + O2 --Cu2O
    9·1 answer
  • When classified, all living things have
    13·1 answer
  • Carol views a specimen under the microscope and notices that it has no nucleus. What
    9·1 answer
  • Why could prouts idea be considered a creative thought?​
    13·1 answer
  • Which statement best describes mechanical energy?
    13·1 answer
  • What break down into simpler materials
    7·2 answers
  • Perform the following calculation and give the answer with the
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!