Chemistry, 10.09.2021 05:00 queenkendra16
A pile of envelopes is found on the floor of a crime scene. What would be the best protocol for collecting this evidence?
Group of answer choices
Keep each envelope in an airtight container.
Take photographs as you collect each one, to show the layering of the envelopes.
Take pictures just before and just after collecting the envelopes.
Stack the envelopes neatly and put them in a large bag.
Answers: 1
Chemistry, 22.06.2019 05:50
What are transitions between a liquid and a solid called? identify which way they are transitioning
Answers: 2
Chemistry, 22.06.2019 20:00
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
Answers: 2
A pile of envelopes is found on the floor of a crime scene. What would be the best protocol for coll...
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