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svetoff [14.1K]
2 years ago
15

Why might it be unwise to drink water straight from a pond

Chemistry
1 answer:
arsen [322]2 years ago
5 0

Answer:

it is because of the bacteria and different things that go into waters such as ponds, rivers, lakes, seas, oceans, streams, and other body of waters and I should also add the chemicals that go into them as well

Explanation:

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What kind of change occurs when a mixture is separated into its components
MatroZZZ [7]
Decomposition

C = A + B
5 0
3 years ago
What is a mole?
leva [86]
It's hard to relate a mole to carbon or sulfur. Imagine if I walked up to you and said, "What's the relation between a dozen and donuts?"

A mole is a form of measurement for atoms, more specifically, 6.02 * 10^23 atoms. I suppose you could relate it to Carbon or Sulfur, since the number of atoms of each are usually measured in moles.

Carbon and Sulfur don't have a set number of moles (Just like donuts don't have to be a dozen), so it's hard to answer your second question.
In the atomic table, the number you see under the element is the molar mass, which is the weight of an a mole of the element. In this way, I guess there's a mole of Carbon and Sulfur present, if we're looking at the periodic table.

-T.B.
8 0
3 years ago
Energy from sources that are constantly being formed is non-renewable energy.
Alisiya [41]
If they are constantly being formed then, they are called renewable energy. So the statement above is false. B.


6 0
3 years ago
8. An atom has 9 protons, which element is it?​
ValentinkaMS [17]

Answer:

fluorine

Explanation:

The element fluorine has 9 protons and 9 electrons.

3 0
4 years ago
Read 2 more answers
A patient needs 40.0 mg of antibiotic per kilogram of body weight each day. If the patient weighs 55 kilograms.
White raven [17]

2200 mg of antibiotic

Explanation:

Given that 40 mg of antibiotic/kg of the bodyweight is given.

If patient is 55 kg then  the dose of antibiotic will be

if 40/1000000 is done then we can get antibiotic in kg/kg of the weight

= 0.00004 kg of antibiotic per kg

0.00004*55 ( to know how much 55 kg person will require)

= 0.0022 kg

This 0.0022 value will be converted to mg

0.0022*10^6

= 2200 mg of antibiotic will be given to a 55kg patient.

4 0
3 years ago
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