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
Valentin [98]
3 years ago
12

2.

Chemistry
1 answer:
schepotkina [342]3 years ago
3 0

Answer:

b. 6.02 x 1023 molecules

Explanation:

The formula mass of ammonia is 14 + 1 × 3 = 17.

The number of moles in 27.6g ammonia is 27.6 ÷ 17 = 1.62 mol.

A mole is 6.02 × 10²³, so the number of hydrogen atoms in a 1.62 moles of ammonia is 1.62 × 6.02 × 10²³ × 3 = 2.93 × 10² atoms.

You might be interested in
The human body has four types of tissues, and the eye contains all four. Which statement correctly pairs the part of the eye
stepladder [879]

Answer:

The correct answer is D) Nerve tissue is found in the retina, the rods and cones at the back of the eye.

Explanation:

The rods and cones are photoreceptors (that is nerve cells within the eyes that can sense light) which is situated in the retina.

These photoreceptors also sense colours and send these signals into the optic nerve for transmission to the brain.

Cheers

6 0
3 years ago
List the types of friction in order from weakest to strongest
e-lub [12.9K]
Static Friction, Sliding Friction, Rolling Friction, and finally Fluid Friction.
5 0
4 years ago
This picture shows a desert environment, which is home to many lizards, small mammals, and cacti
kotykmax [81]

Answer:

A

Explanation:

If the Picture is a Desert showing reptiles like lizards and has cacti then it would be Dry and Sandy

5 0
2 years ago
Read 2 more answers
Explore how the identity of reactants and products can be used to classify types of reactions
aliya0001 [1]
Reactants are substances that start a chemical reaction, and products are substances that are produced in the reaction hope this helps
8 0
3 years ago
C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(g)<br><br> Which type of reaction is this?
erastova [34]

Answer: Combustion

Explanation:

3 0
1 year ago
Other questions:
  • Based on the equation below , how many moles of carbon monoxide (CO) are needed to react completely with 1.75 moles of iron (lll
    7·1 answer
  • Catalase (a liver enzyme) dissolves in water. A 14mL solution containing 0.166g of catalase exhibits an osmotic pressure of 1.2
    9·1 answer
  • The gases listed are at standard temperature and pressure:
    13·1 answer
  • When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 24.0 g of carbon were burned in the presence of
    12·1 answer
  • Please show all of your work! :)
    5·1 answer
  • What is the pH of a 6.4x10^-10 m OH- solutions
    7·1 answer
  • Ordinarily, when we talk about green infrastructure, what type of public element are we most likely to be discussing?
    11·1 answer
  • Is soda homogeneous or heterogeneous? ​
    11·1 answer
  • Please helpppp
    7·1 answer
  • which has a higher entropy for the reaction: 2nh3(g)→n2(g) 3h2(g) which has a higher entropy for the reaction: reactants product
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!