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
andreev551 [17]
2 years ago
13

How many molecules are there in a 1.43 mole sample of H2O2?

Chemistry
1 answer:
SIZIF [17.4K]2 years ago
5 0
One mole of hydrogen peroxide contains 6.02 x 10^23 molecules of hydrogen peroxide. And each molecule contains 4 atoms, so the answer is 4 x 6.02 x 10^23.
You might be interested in
Explain some of the benefits and problem associated with the pesticide DDT.
Dafna1 [17]

Some benefits are that DDT helps us grow crops and keeps pests off our crops.

But DDT is harmful to the environment. If it gets into the water ways then if can harm fish and animals that eat the fish such as birds.

4 0
2 years ago
What is the name of the average weather in an area over a long period of time?
Nezavi [6.7K]

Climate is the weather that occur over a long period in a particular place.

3 0
3 years ago
How many moles of helium are needed to fill a balloon to a volume of 6.3 L at 28 °C and 320
Ray Of Light [21]

Answer:

.11 mol

Explanation:

Convert mmHg to atms by dividing by 760. Then multiply 6.3 by the atms and divide by .08206*(273+28) to get mol

5 0
2 years ago
Read 2 more answers
What is the density of a block marble that occupies 255 cm^3 and has a mass of 1000g
RUDIKE [14]

Answer:

<h2>3.92 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{1000}{255}  \\  = 3.921568...

We have the final answer as

<h3>3.92 g/cm³</h3>

Hope this helps you

4 0
3 years ago
If 3.91 moles of H2 were used, how many moles of NH3 would be made?<br><br> HELP PLEASE ASAP
matrenka [14]

N + H2 → NH3

balance the equation

2N + 3H2 → 2NH3

3H2 → 2NH3

3 : 2

3.91 ÷ 3 = 1.303 mol

1.3 × 2 = 2.606 mol

7 0
3 years ago
Other questions:
  • ___AIBr3+__K--&gt;__KBr+__AI
    6·1 answer
  • Which of the following is the correct scientific notation for 0.000451 g?
    7·1 answer
  • After 1911, most scientists accepted the theory that nucleus of an atom was very dense and very small and has a positive charge.
    14·1 answer
  • Which of the following is not produced in
    10·2 answers
  • Please HURRYYYYYYYYYY
    6·2 answers
  • If 2 or more elements are involved in a chemical reaction, they will most likely form a/an
    5·1 answer
  • If copper carbonate system is heated for too short a time, what will you notice for mass percent of copper be too large or too s
    7·1 answer
  • How are the physical and chemical properties of atoms represented on the periodic table of elements
    8·1 answer
  • What are 5 reason masks are important for the virus
    11·2 answers
  • Which of the following observations indicates that atoms of all elements contain small, negatively charged particles?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!