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
k0ka [10]
3 years ago
6

Quick help!!

Chemistry
1 answer:
Flauer [41]3 years ago
8 0

Answer:

The Similarities Between Mechanical Waves and Electromagnetic Waves. Some similarities between mechanical waves like sound and electromagnetic waves like light are: Both wave types are defined by their frequency. The higher the frequency, the less distance between successive crests of a wave (aka wavelength).

Explanation:

welcome!

You might be interested in
How to Write Balanced Chemical Equations -<br> FeS + O2 - Fe,02 + SO2
Rus_ich [418]

Answer:

FeS + O2 - Fe,02 + SO2

Explanation:

You have to see that no of Atoms are equal on both sides or not.

FeS + O2 - Fe,02 + SO2

Ferrous is balanced on both sides and also sulphur but oxygen is not balanced .

Ino left side oxygen is 2 while on right it's 4.

So, we have to balanced Oxygen.

FeS + 2O2 - Fe,02 + SO2

Now see it's balanced (we insert 2 on left side to balance the oxygen)

7 0
3 years ago
How many moles of Hydrogen gas must be used to make 0.75 mol of NH3?<br> N2+3H2 ---&gt;2NH3 *
sladkih [1.3K]

Answer:

1.125 moles of hydrogen are needed.

Explanation:

Given data:

Number of moles of ammonia formed = 0.75 mol

Number of moles of hydrogen needed = ?

Solution:

Chemical equation:

N₂  + 3H₂      →       2NH₃

Now we will compare the moles of ammonia and hydrogen.

                  NH₃         :           H₂  

                    2           :             3

                 0.75         :           3/2×0.75 = 1.125 mol

1.125 moles of hydrogen are needed.

5 0
3 years ago
Describe how you could show that an alkaline solution is formed when caesium reacts with water
igor_vitrenko [27]
After reacting, place a red moist litmus paper into the final solution and the litmus paper will turn blue. This indicates that the solution is alkaline.
Alternative methods
Using universal indicator
using phenophtalein
using bromothyl blue
using methyl orange
use pH probe connected to a data logger
3 0
3 years ago
While a match burns what type of change occurs?
bogdanovich [222]

C. both a physical and chemical change occur.

8 0
3 years ago
Read 2 more answers
Please hurry!!!!!
maksim [4K]
Light. ever heard of moon cycles? so d and c are out of the question. and although almost non-existent, the moon does have gravity. only thing the moon doesn't have is light emitting from itself
6 0
3 years ago
Other questions:
  • HELP WILL MARK BRAINIEST IF ANSWER WAS RIGHT!
    5·1 answer
  • Household bleach which has a ph of 12.6 has more hydroxide (oh-) ions than lye which has a ph of 13.
    14·2 answers
  • Which of the following enzymes breaks down the "glue" that holds cells together?
    11·1 answer
  • What makes up nearly all of the atom's mass?
    15·2 answers
  • Label the layers of the earth
    8·1 answer
  • Select the correct answer.
    6·2 answers
  • I'll give brainliest
    9·1 answer
  • 15. Mass = 25g<br> Start: 45mL<br> Final: 50mL<br> • What is the Volume?<br> • What is the Density?
    13·1 answer
  • [H+]=1×10−13 M pH= <br><br> what is this answeer
    12·1 answer
  • The answer to this question
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!