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Scilla [17]
3 years ago
8

ASAP ILL MARK BRAINLIEST!!!!!! EASY

Chemistry
2 answers:
aivan3 [116]3 years ago
8 0
ahahah what the guy above me said
Levart [38]3 years ago
7 0

Answer:

1.Our results indicate that, at higher biodiversity, the impact of acidification on otherwise highly vulnerable key organisms can be reduced by 50 to >90%, depending on the species

2.Positive attitude is sometimes all it takes to turn a bad situation around. On the other side, a bad attitude can take a problem and quickly make it worse. Helps You Make Good Decisions – Anger clouds your judgement. When you let yourself get upset, you impact your ability to make good decisions.

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How are energy and mass connected during the formation of an atom?
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Energy is released and mass is reduced
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What is the volume occupied by 0.106 mol of helium gas at a pressure of 0.99 atm and a temperature of 309 K ?
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What can you infer from the fact that nitrogen gas is useless to animals?
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3 years ago
In semiconductor manufacturing, wet chemical etching is often used to remove silicon from the backs of wafers prior to metalliza
Reptile [31]

Sample means for solutions 1 and 2 are 19.27 and 10.32 respectively

In semiconductor manufacturing,

The total for answer 1 is given by:

9.7+10.5+9.4+10.6+9.3+10.7+9.6+10.4+10.2+10.5 = 192.7

The sample size is 10 and provides us with

192.7/10 = 19.27

For solution 2, the sum is given by:

10.6+10.3+10.3+10.2+10.0+10.7+10.3+10.4+10.1+10.3 = 103.2

The sample size is 10, this gives us

103.2/10 = 10.32

The total for answer 2 is given by:

10.6+10.3+10.3+10.2+10.0+10.7+10.3+10.4+10.1+10.3 = 103.2

The sample size is 10 and provides us with

103.2/10 = 10.32

Learn more about semiconductor manufacturing here brainly.com/question/22779437

#SPJ4.

In semiconductor manufacturing, wet chemical etching is often used to remove silicon from the backs of wafers prior to metalization. The etch rate is an important characteristic in this process and is known to follow a normal distribution. Two different etching solutions have been compared, using two random samples of 10 wafers for each solution. Assume the variances are equal. The etch rates are as follows (in mils per minute): Solution 1 Solution 2 9.7 10.6 10.5 10.3 9.4 10.3 10.6 10.2 9.3 10.0 10.7 10.7 9.6 10.3 10.4 10.4 10.2 10.1 10.5 10.3 Calculate sample means of solution 1 and solution 2

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1 year ago
When was helium discoved?
andrey2020 [161]
It was discovered in 1868.i hope this helps you .
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4 years ago
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