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
Ganezh [65]
2 years ago
6

What explains the fact that no machine is 100 percent efficient?

Chemistry
1 answer:
nydimaria [60]2 years ago
4 0
Because some machine might not work and would give you the wrong answer
You might be interested in
Help How many atoms of hydrogen(gas) form if 10 grams of aluminum react? 2Al + 6HCl = 2AlCl3 + 3H2
arlik [135]

Answer: 3.35x10²³atoms H2

Explanation: solution attached:

Convert mass of Al to moles

Do the mole to mole ratio between Al and H2

Convert moles of H2 to atoms using Avogadro's number.

4 0
3 years ago
Please help, I’m a bit confused, lol
Mashutka [201]

Explanation:

option A skeleton system is correct option

hope this helps you !

4 0
1 year ago
Which type of force results when an object touches another object?
sweet-ann [11.9K]
This problems answer is contact force because you are touching it
7 0
3 years ago
Read 2 more answers
Consider the reaction.
Stella [2.4K]

Answer:

when the rates of the forward and reverse reactions are equal

Explanation:

In a chemical system, the reaction reaches a dynamic equilibrium when the rate of formation of product equals the rate of formation of reactants. This implies that both the forward and revered(backwards) reaction are occurring at the same rate.

5 0
3 years ago
Which of the following statements are true regarding SDSs and labels?(OSHA)
creativ13 [48]

Answer:

particles larger than 5 microns are normally expelled. -particles smaller than 5 microns may enter into alveolar sacs. ... -chemical can penetrate skin and go into bloodstream.

Explanation:

8 0
3 years ago
Other questions:
  • The volume of a gas at 7.00°c is 49.0 ml. if the volume increases to 74.0 ml and the pressure is constant, what will the tempera
    14·1 answer
  • A 1.25 × 10-4 m solution of the anti-inflammatory drug naproxen has a ph = 4.2. the ka and pka of naproxen are ________ and ____
    15·2 answers
  • What is the charge of the nucleus of every atom?
    6·1 answer
  • Solid calcium oxide reacts with sulfur trioxide gas to produce solid calcium sulfate
    7·1 answer
  • 1. A sample of gold (Au) has a mass of 35.12 g.
    9·1 answer
  • What mass of ammonium thiocyanate must be used if it is to react completely with 6.5 g barium hydroxide octahydrate?
    7·1 answer
  • Why do compounds have different conductivity values if they are the same type of compound?
    14·1 answer
  • HELP ASAP. NEED THIS DONE
    8·1 answer
  • If C and Cl combined to make a compound, would it be covalent or ionic?
    15·1 answer
  • an electric heater having resistance equal to 5 ohm is connected to electric source . If it produces 180 J of heat in one second
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!