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Shalnov [3]
3 years ago
5

Question 2 (1 point)

Chemistry
1 answer:
9966 [12]3 years ago
8 0

Answer:

It distorts toward the H atom.  

Explanation:

The O-H bond in a water molecule is highly polar. The electronegative O atom pulls the electrons toward itself, so the H atom gains a partial positive charge.

The positive charge attracts the electrons in the cloud surrounding the O₂ molecule, so they spend more time on the side of the O₂ that is closer to the H atom.

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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.

Degree of freedom define the shape of the t-distribution that your t-test uses to calculate the p-value.

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
3 years ago
When an acid reacts with a strong base which product always forms
patriot [66]

Answer:طيزي

Explanation:

4 0
2 years ago
Which of these equations is balanced? a. H2SO4 + 2Al → Al2(SO4)3 + H2 b. 2KCl + Pb(NO3)2 → 2KNO3 + PbCl2
Lapatulllka [165]
The answer is B, you just check if it is the same on the left and right side

A:
Left side - Right side
2xH - 2xH
1xS - 3xS
4xO - 12xO
2xAl - 2xAl

Therefore A is not correct

B:
Left side - right side
2xK - 2xK
1xCl - 1xCl
1xPb - 1xPb
2xN - 2xN
6xO - 6xO

B is therefore correct as both sides add up
6 0
3 years ago
Read 2 more answers
A glass of water sitting in direct sunlight evaporates over time. Explain this phase change in terms of the types of heat transf
dybincka [34]
This is a physical phase change it is still water it just separated and became less and less.it stays water though
5 0
3 years ago
What is the difference between an atone and a molecule
Step2247 [10]

Answer:

Explanation:

Molecules contain two or more atoms and are held together by covalent bonds, whereas compounds are held together by ionic bonds. Two or more elements bonded together through ionic attraction. ... The atoms within a compound also must be different from each other, whereas a molecule can consist of only one element

8 0
3 years ago
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