3 years ago

How do you create a neutrally buoyant object using 3 or more objects?

1 answer:

3 0

It has to weigh the same weight as the amount of water it displaces. eg - if it weighs a kg, it would have to displaces exactly 1 litre of water

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Why must contact lenses be removed before you enter a chemistry laboratory?

RUDIKE [14]

The vapors of some chemicals used in the chemistry laboratory, especially isocyanates, can react and bond the contact lens to the eye.

(FYI - the family of isocyanates include Superglue..I wouldn't want to have been the person who discovered this unfortunate reaction!)

6 0

3 years ago

What is the percent yield of water from the combustion of propane (C3H8), if my theoretical yield is 8.17g of water and my actua

Naddik [55]

Answer:

im not sure

Explanation:

i went on here looking nobody answered yet

5 0

3 years ago

_____ The primary function of molecular membranes is the transport of ions and molecules into and out of cells. The movement of

ale4655 [162]

<h2>Active Transport </h2>

Explanation:

A cell uses energy for the movement of substances against a concentration gradient or an electrochemical gradient that maintains a balanced concentration of ions and molecules in living cells.
This transport of substances is known as Active transport mechanisms which are the basic function of the cell membranes.
The energy used is in the form of ATP.
Active transport occurs when there is a difference in the concentration of particles on both sides.

5 0

3 years ago

How many atoms are found in the chemical formula below?

Trava [24]

the answer is 15.

4+4+4+1 =13 then u add the 2 outside the bracket which will give u 15

4 0

3 years ago

(05.06 LC)

goblinko [34]

Answer:

Explanation:

because percentage yield =actual/theoretical yield

5 0

2 years ago