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Who is known as the first African American scientist

What is Luis Alvarez's cultural background

What was Benjamin Banneker's ethnic background

Which scientist used mathematical knowledge to calculate the exact measurement of the meter

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Q: Why should you use tongs and not fingers to handle cooled crucible and lid?
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Why should you use tongs rather than fingers to handle your cooled cricible and lid?

Because fingerprints can add a considerable mass to the crucible when weighing it.

Why empty crucible should be heated before experiment?

measure the crucible without water

Why should you always use tongs when handling crucible?

The crucible gets EXTREMELY hot...

In the crucible what did rebecca do to betty?

how should i know?? you should go ask an expert

Why should you not lift the lid of the crucible to let the smoke out while burning magnesium?

you should :)

Where is the jack handle located on the 2001 ford explorer?

It should be under the floor mat behind the rear seat. Get your fingers under it right up against the seat.

Why the acid mixture should be cooled?

it shouldnt.

Should cakes be cooled in oven?

No. They should be cooled on a low rack on a countertop in the regular room temperature air. Conversely, pies should be cooled on a window sill- with the window open- so all neighbors and passersby can enjoy the aroma.

Why should the crucible be heated to constant mass?

We want to weight exactly only the material - variations of the crucible mass lead to errors. That's why the mass of the crucible must be stabilized.This is very important in gravimetry, it is a basic rule.

How should you handle leftover hot food after a meal?

Put It In A Plastic Container, Leave The Lid Open Till Its Cooled Down Then Close It And Put It In The Fridge. :)) But Make Sure You Dont Leave It In There For To Long.

What should you do if you have put your own dirty fingers inside your vagina?

You should wash your fingers before and after. But do so alone

What is normal color for tops of fingers?

a normal color for the tops of your fingers should be the same color of the rest of your fingers

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