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DedPeter [7]
3 years ago
10

What is the difference between the plasma and gaseous states of matter?

Chemistry
1 answer:
Ivenika [448]3 years ago
8 0
In gaseous particles are slightly lighter than those in pasma which look like liquid
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Suppose you used 0.5 M NaOH to titrate your vinegar sample instead of 0.1 M. What effect does the concentration of base added ha
laiz [17]

Answer: the reliability will be worse

Explanation:

Suppose we used 0.5 M NaOH to titrate our vinegar sample instead of 0.1 M.

Now by using 0.5M instead of 0.1M we are increasing the concentration of NaOH,

We know that  the moles used = Volume x concnetration.

so for the same no of moles, if the concentration increases, the volume decreases.

Hence it will consume less NaOH.

now Since the volume decreases, the titration volume of less number will increase the % error.

Therefore the reliability will be worse.      

4 0
2 years ago
Which is correct if 15,390,000 is rounded to two significant figures?
BARSIC [14]

Answer:

Explanation:

Remark

This is one of those questions that you need the choices. You can't tell what you should enter. For example, in scientific notation, you would get 1.5*10^7.

Or you could keep it as an integer and round to two places 150,000,000,

I would pick scientific notation if you know how to use it. Otherwise use the interger format.

7 0
2 years ago
Uranium (VIII) Sulfide formula
tresset_1 [31]

Answer:

US₂

Explanation:

Uranium sulfide (US₂)

Uranium atomic symbol = U

Sulfur atomic symbol = S

Uranium valency = +4

Sulfur valency = -2

So;

Uranium sulfide (US₂)

8 0
3 years ago
Claudia performed a flame test in her lab. The result of her flame test is shown here.
Masteriza [31]

Answer:

Where is the results and what is the question or is there a picture

Explanation:

6 0
3 years ago
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A physical change is a change (4 points) in the properties of matter that does not change the identity of the substance in the p
goblinko [34]
Yes a physical change can do that. A chemical change is like a burning candal
4 0
3 years ago
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