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DerKrebs [107]
2 years ago
10

CORO Name three ways that scientists can ensure their results are reliable

Chemistry
1 answer:
Leya [2.2K]2 years ago
5 0

Answer:

Reliability. When a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and gets very similar results then those results are said to be reliable. Reliability is measured by a percentage – if you get exactly the same results every time then they are 100% reliable.

Explanation:

Sorry, I only got one way.

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Plasma is often in stars, which are likely to contain?
elena-s [515]
Below are the choices that can be found from other sources:

<span>A) elements 
B) ions 
C) molecules 
D) neutrons

the answer is ions. 

</span>A Star<span> and hence our Sun, is an almost entirely ionized ball of </span>plasma<span>, consisting of electrons and ions, in which there is hardly any gas (neutral atoms). The movement of the </span>plasma<span> produces strong magnetic fields and corresponding electric currents.</span>
6 0
3 years ago
Is it possible to make crystals by hand?
xeze [42]

Answer: Crystals are formed by the earth and the earth itself otherwise then its a fake crystal

Explanation:

Every crystal that exists was formed when earth was formed. Take diamonds for example, All diamonds were crushed for millions of years by the earth and that's why they are so valuable. All diamonds are just coal.

So your answer is no but fake crystals yes

8 0
2 years ago
A piece of glass has a temperature of 83˚C. Liquid that has a temperature of 43˚C is poured over the glass, completely covering
Lerok [7]

Answer: The specific heat of the liquid is 2520J/kg^0C

Explanation:

heat_{absorbed}=heat_{released}

As we know that,  

Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})

        .................(1)

where,

q = heat absorbed or released

= mass of glass = x kg

= mass of liquid = x kg

= final temperature =

T_1 = temperature of glass = 83^oC

T_2 = temperature of liquid = 43^oC

c_1 = specific heat of glass = 840J/kg^0C

c_2 = specific heat of liquid= ?

Now put all the given values in equation (1), we get

-[(x\times 840\times (53-83)]=x\times c_2\times (53-43)

c_2=2520J/kg^0C

Therefore, the specific heat of the liquid is 2520J/kg^0C

5 0
3 years ago
I NEED THE ANSWER ASAP IM ON A TIMER
Ronch [10]
That’s tuff, lol stay in school.
6 0
2 years ago
How long does it take far Uranus to complete one revolution (orbit) around the sun?
MArishka [77]
It takes 84 years! Hope this helped :)
5 0
2 years ago
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