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
svetoff [14.1K]
3 years ago
11

Why is it impossible for a machine to give you more energy output than the amount of energy put into it?

Chemistry
1 answer:
lana66690 [7]3 years ago
5 0
Ambersnyder, Your answer would be A).
You might be interested in
Please could you help me with this question
Serga [27]
The one on the left is pure because it is made out of one single material. The one on the right is a mixture because it is made out of multiple materials
8 0
3 years ago
Read 2 more answers
For each (P, V) pair, type the pressure in the x-column and the volume in the y-column. Then click “Resize window to fit data.”
qwelly [4]

Answer:

V= 51.4   P^= -0.999

the second one is: an inverse proportion

Explanation:

Just did it on Edg

7 0
4 years ago
Elements are organized on the periodic table according to
Alex

Answer:

atomic number

Explanation:

The periodic table is a table that lists all of the chemical elements in order of atomic number, starting with hydrogen and ending with oganesson. The number of protons in the nucleus of an atom of a certain element is its atomic number.

Have a good day :)

5 0
2 years ago
Calculate the number of moles in 25.0 g of each of the
mamaluj [8]

Answer:

A. 6.25moles

B. 0.78moles

C. 0.32moles

D. 0.15moles

E. 0.43moles

Explanation:

use

  • n = mass/molar mass

A. He

  • 25/4 = 6.25moles

B. O2

  • 25/32 = 0.78moles

C. Al(OH)3

  • 27+ 3(17) = 78
  • 25/78 = 0.32 moles

D. GaS3

  • 70+3(32) = 166
  • 25/166 = 0.15moles

E. C4H10

  • 4(12)+10(1) =58
  • 25/58 = 0.43moles
5 0
3 years ago
HELPPPP I NEED THE ANSWER i'M STUCK
Tasya [4]

Answer:

carbon, nitrogen,oxygen,flourine

3 0
3 years ago
Other questions:
  • Write the complete ionic equation and the Net ionic equation for: K2C2O4(aq)+Pb(OH)2(aq) -> 2KOH(aq)+PbC2O4(s)
    12·1 answer
  • Which statement explains why carbon dioxide (CO2) is a gas at room temperature? A. There are constant interactions between the C
    8·1 answer
  • What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction? A. 346 g C3H8 B. 1.86 g C3H8 C.
    10·2 answers
  • How does an adult cactus asexual reproduce?
    7·1 answer
  • Solid lithium iodide decomposes into solid lithium and iodine gas . Write a balanced chemical equation for this reaction.
    11·2 answers
  • A soluble iodide was dissolved in water. Then an excess of silver nitrate, AgNO3, was added to precipitate all of the io- dide i
    14·1 answer
  • No pure elements are liquids at room temperature.
    11·1 answer
  • I NEED HELP IT GIVES UOU 15 POINTS
    12·1 answer
  • Why do convection currents occur?
    6·1 answer
  • Describe how greater distance affects the appearance of an object’s size and brightness
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!