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Darya [45]
3 years ago
15

How do forensic scientists determine the time of death? There are timely pieces of evidence that help scientists with this task.

At the time of death:
~The heart stops

~The skin gets tight and grey in color

~Cell start to die (brain 3-7 min; skin up 24 hours)

~The muscles relax

~The bladder and bowels empty



And then what? Order these changes from FIRST to LAST.

Chemistry
1 answer:
UNO [17]3 years ago
8 0

I have done some research as well as asking some friends. This is what I came up with. Not sure if it is 100% correct.

step = time after death

1. Livor Mortis = 20-30 minutes

2. Eyes film (cloud) = 2 hours

3. Rigor Mortis begins = 4-6 hours

4. Empty small intestines = 12 hours

5. Bloating = 3-5 days

6. Decay

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<h3>Question :</h3>

The goal of the Human Genome Project was to _____.

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<h3>Answer : </h3>

The goal of the Human Genome Project was to <u>map the entire human genome</u><u>.</u>

So, the correct option is 4th one.

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The theoretical yield of NaBr from
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the percent yield of the reaction is 100%.

The percent yield is calculated as the experimental yield divided by the theoretical yield x 100%:

% yield = actual yield / theoretical yield * 100%

% yield of a reaction in this case Rate

In this case, the molar mass of NaBr is 102.9 g / mol, as you know:

444 actual yield = 7.08 mol x 102.9 g / mol = 728.532 g

theoretical yield = 7.08 mol x 102.9 g / mol = 728.532 g

, Replaced by the definition of percent yield:

percent yield = 728.532 grams / 728.532 grams * 100%

percent yield = 100%

Finally, the percent yield of the reaction is 100%.

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FeBr3 is iron bromide. Also known as iron bromide. Iron bromide is an ionic compound in which iron is in a +3 oxidation state.

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