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
disa [49]
2 years ago
9

The actual number of pennies in a jar is 218. You miscounted and came up with 215 pennies. What is your percent error?

Chemistry
1 answer:
Katyanochek1 [597]2 years ago
6 0

Answer:

3%

Explanation:

Substract the actual error from the final and multiply by 100

You might be interested in
Help me answer this chemistry question. thank you!
Vladimir79 [104]

Answer:

Chlorine and bromine

Explanation:

I think thats the answer in your question

8 0
3 years ago
A student tests the pitch of different-sized rubber bands by stretching them around a box and then plucking them. What pitch doe
Nostrana [21]

Answer:

your answer will be C

Explanation:

remember low souunds carry sound waves farther than high pithed sounds.

4 0
3 years ago
Write a letter to your friend describing your feelings after you left the school
fredd [130]
Dear friend,
How are you doing? I finally switched to my new school and it's been so hard adjusting. But I know I have a new chance at making new friends and memories. Also, I can learn new things, like interacting with new people and how to keep my anxiety low. I really miss us hanging out and how much we'd laugh and get in trouble at class. But i really hope to see you soon & that it hasn't gone terribly wrong for you since i left.
your friend,
name
8 0
2 years ago
When ethyl acetoacetate (ch3coch2co2ch2ch3) is treated with one equivalent of ch3mgbr, a gas is evolved from the reaction mixtur
pashok25 [27]
The protons of methylene group between the two carbonyl groups in ethylacetoacetate are acidic in nature. When compounds containing such acidic protons are treated with bases the loose proton and form enolates.

In this particular example when ethylacetoacetate is reacted with methyl magnesium bromide, the methyl group abstracts the acidic proton and converts into methane gas. The enolate when hydrolyzed is again converted into ethylacetoacetate as shown below,

6 0
3 years ago
Which of these is an indication that a chemical reaction has occurred?
nevsk [136]

Formation Of A Gas.

3 0
3 years ago
Other questions:
  • What volume (mL) of 0.135 M NaOH is required to neutralize 13.7 mL of 0.129 M HCl? a: 0.24 b: 13.1 c: 0.076 d: 6.55 e: 14.3
    14·1 answer
  • Which activity performed by a medical professional is primarily based on an understanding of physics
    13·1 answer
  • Please help with chem question
    7·1 answer
  • Why might metallic bonding be weak compared to ionic and covalent bonding?
    9·2 answers
  • If 1.240 g of carbon dioxide dissolves in 1.01 l of water at 755 mm hg, what quantity of carbon dioxide (in grams) will dissolve
    11·2 answers
  • Wine has a pH of 3, which means it is __________ times more acidic than tomatoes, which have a pH of 4.
    11·1 answer
  • Which of the following can be used to neutralize an ammonia (NH3) solution?
    9·2 answers
  • What is the Ka of a 0.0326 M solution of hydrofluoric acid with a pH of 3.94?
    13·1 answer
  • In which situation would hydrogen bonding be present?​
    10·2 answers
  • How can the strength of an acid be determined using titration? Will give brainilist too
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!