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xeze [42]
3 years ago
9

How can an impurity in a flame test affect the results?

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
7 0

Explanation:

If a sample is impure, it means it contains multiple substances, this means that when you test it in a flame test, it will come up with a mixed color meaning you wont be able to tell what ions are in the substance.

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4 0
2 years ago
Scientific notation.
stiv31 [10]

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1.85 x 10^ -5

Explanation:

8 0
2 years ago
The p-value of a statistical test depends on all of the following, except:
vaieri [72.5K]

Answer:

The correct option is e.

Explanation:

p-value is the probability value for a given statistical model, the probability that, when the null hypothesis is true.

For two two samples the formula of test statistics is

t=\frac{(\overline{x}_1-\overline{x}_2)-(\mu_1-\mu_2)}{\sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}}}

where,

\overline{x} is sample mean

\mu is population mean.

s is standard deviation.

n is sample size.

Variance is the square of standard deviation.

It means variance, mean, numbers of samples is used in calculation of p-value.

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d.f.=n_1+n_2-2

p-value of a statistical test depends on all of the following, except median.

Therefore the correct option is e.

4 0
2 years ago
A metamorphic rock can also be thought of as a rock that changes. What causes the rock to change?
Nana76 [90]

Answer:

its ethier b or c

Explanation:

5 0
2 years ago
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Wewaii [24]
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7 0
3 years ago
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