1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
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
guajiro
[1.7K]
3 years ago
6
If a system requires 150 J of input work and produces 123 J of output work, what's its efficiency? A. 72% B. 122% C. 82% D. 92%
Chemistry
Answer
Comment
Send
2
answers:
Levart
[38]
3 years ago
6
0
The answer is C. Fam
Send
STALIN
[3.7K]
3 years ago
4
0
The answer is C. 82......
Send
You might be interested in
The diagram above depicts an energy releasing process involving the uranium atom. Which form of energy does this process depict?
mariarad [96]
A nuclear energy is the answer
5
0
2 years ago
Use the periodic table to answer the following question. What is the predicted order of first ionization energies from highest t
Degger [83]
B. Be > Mg > Ca > Sr
6
0
2 years ago
Read 2 more answers
Nitrogen has the atomic number 7. an isotope of nitrogen containing seven neutrons would be
BigorU [14]
An isotope of nitrogen containing 7 neutrons would be nitrogen-7
8
0
3 years ago
A force of 129,000 N is accelerating a car at 84 m/s/s<br> what’s the mass of the car?
Marianna [84]
M=f/a m=129000N/84m/s/s=1535.714286kg/m/s/s
5
0
1 year ago
Identify the group of ONLY metalloids.
Alinara [238K]
Answer:
C boron, germanium, arsenic, silicon
5
0
2 years ago
Other questions:
How many protons , neutrons and electrons are in an atom of magnesium-24?
12
·
1 answer
What 2 molecules make up sucrose?
6
·
2 answers
What is the mole ratio of NaOH to Al(OH)3
8
·
1 answer
I’ve been stuck on these 5 questions!? Can you guys help?!
8
·
1 answer
Suppose that 1.06 g of rubbing alcohol (C3H8O) evaporates from a 72.0 g aluminum block. If the aluminum block is initially at 25
6
·
1 answer
An atom has 13 protons and 14 neutrons. what is its mass number?
8
·
1 answer
Which coal mine does this discribe
5
·
2 answers
Based on this information which of the following conclusions can be drawn about the growth rate of grass? hurry
5
·
1 answer
1. Intermolecular forces do not have any effect on determining the physical properties of substances such as surface tension and
10
·
1 answer
Renewable resources are considered clean because they don't cause what
9
·
1 answer
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!