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
Sergeu [11.5K]
3 years ago
12

You calculate that your semester average in history is 97.5. When you get your report card, your average is 96. What was the per

cent error of your calculation?
Chemistry
2 answers:
andrew11 [14]3 years ago
5 0
Ok percent error is abs(calculated-actual)/actual(100%)

So 1.5/96 *100%
Nitella [24]3 years ago
3 0

Answer:

The percentage error is 1.56 %.

Explanation:

To calculate the percentage error, we use the equation:

\%\text{ error}=\frac{|\text{Experimental value - Accepted value}|}{\text{Accepted value}}\times 100

We are given:

Experimental value of an average = 97.5

Accepted value of an average = 96  

Putting values in above equation, we get:

\%\text{ error}=\frac{|97.5-96|}{96}\times 100\\\\\%\text{ error}=1.56\%

Hence, the percentage error in our calculation is 1.56 %.

You might be interested in
A 100. ml portion of 0.250 m calcium nitrate solution is mixed with 400. ml of 0.100 m nitric acid solution. what is the final c
pshichka [43]
<span>Answer: Moles Ca(NO3)2 = 100 x 0.250 / 1000 = 0.025 Ca(NO3)2 >> Ca2+ + 2NO3- Moles NO3- = 2 x 0.025 = 0.05 Moles HNO3 = 400 x 0.100 / 1000 = 0.04 Total moles = 0.05 + 0.04 = 0.09 Total volume = 500 ml = 0.500 L M = 0.09 / 0.500 = 0.18</span>
6 0
4 years ago
Which particle has a mass of approximately 1 atomic mass unit?
labwork [276]
The answer is D) a neutron.

When we say an atom's mass is, like 5 atomic mass units actually we are saying that the total number of the neutrons and protons in its nucleus is 5.

The mass of a neutron and a proton is each one atomic mass unit.

Mass of a neutron is approximately 1 atomic mass unit.
7 0
3 years ago
The volume of a gas-filled balloon is 30.0 L at 313 K and 1520 mm Hg pressure. What would the volume be at standard temperature
pashok25 [27]
313 k
step-by-step-explanation
4 0
3 years ago
Need chem help asap
gavmur [86]

Oh I’m so4+ds2=563

Which is the answer

5 0
3 years ago
Which statements describe the Rutherford atomic model? Check all that apply.
MaRussiya [10]

Answer:

1 and 4

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Which of these statements about hydrogen bonds is not true?
    6·2 answers
  • why do solids keep their shape and volume why do liquids keep only volume and why do gases not keep either shape or volume
    6·1 answer
  • Which renewable energy sources should be developed in your area, and why? Consider abundance of the energy source, ease of setup
    6·1 answer
  • Demonstrate a net force of 50 N to the left. Use three different combinations of people to get the same net force. How many peop
    11·2 answers
  • 1. Ethanoic acid is a weak acid and hydrochloric acid is a strong acid.​
    9·1 answer
  • A 10 gram sample of water is heated to 105 ℃ and is mixed with a 25 gram sample of water cooled to 25℃ . What is the final tempe
    5·1 answer
  • Question 9 Multiple Choice Worth 4 points)
    13·2 answers
  • To what volume should you dilute 55 mL of 12 M stock HNO3 solution to obtain a 0.145 HNO3 solution?
    11·1 answer
  • Matter is never created or destroyed.
    14·1 answer
  • What is the air pressure on top of the mountain?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!