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GalinKa [24]
3 years ago
10

Adding a lubricant can increase a machine's efficiency by reducing___ please help

Chemistry
1 answer:
algol [13]3 years ago
5 0

Answer:

kinetic energy

Explanation:

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Help me please???????
AlexFokin [52]

Answer:

geez I have no clue sorry

6 0
3 years ago
Genes are located in which part of a cell?
ddd [48]

Answer:A

Explanation:

7 0
3 years ago
Every atom has atleast two shells ?
VladimirAG [237]
Nope. Hydrogen has one.
4 0
3 years ago
Read 2 more answers
Given the law of conservation of energy, what happens when a 200°C iron bar is placed in thermal contact with a 30°C block of wo
kozerog [31]

Answer:

The correct answer is A Energy leaves the iron bar and enters the wood until the temperature are equal.

Explanation:

According to the law of conservation of energy or the first law thermodynamics energy neither be created nor destroyed, energy is transferred from one form to another form.

        Here iron bar is placed in wood block energy is transferred from iron bar to wood until the temperatures are equal.

7 0
4 years ago
Which has the largest atomic size selenium or oxygen?
kolbaska11 [484]

Answer:

Selenium

Explanation:

selenium has 4 energy levels (think a 4 story building) while oxygen only has 2 (think 2 story building). which one is taller?

3 0
3 years ago
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