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never [62]
1 year ago
13

How do chemicals hurt our environment

Chemistry
2 answers:
Ilya [14]1 year ago
6 0

Answer:also depending on the chemicals. So basically EXCESSIVE or misuse of chemicals can be harmful by getting into the air , water, animals etc.

Explanation:

goblinko [34]1 year ago
5 0
Chemicals can enter the air, water, and soil when they are produced, used or disposed
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Identify each number that is given is scientific notation
Neko [114]

Answer:

Need more information.

Explanation:

I believe you either left out info or explained the question confusingly.

5 0
3 years ago
PLEASE HELP this is physical science.
Andru [333]

Bone age : 22,920 years

<h3>Further explanation</h3>

Given

Nt = 2.5 g C-14

No = 40 g

half-life = 5730 years

Required

time of decay

Solution

General formulas used in decay:  

\large{\boxed{\bold{N_t=N_0(\dfrac{1}{2})^{t/t\frac{1}{2} }}}

t = duration of decay  

t 1/2 = half-life  

N₀ = the number of initial radioactive atoms  

Nt = the number of radioactive atoms left after decaying during T time  

Input the value :

\tt 2.5=40.\dfrac{1}{2}^{t/5730}\\\\\dfrac{2.5}{40}=\dfrac{1}{2}^{t/5730}\\\\(\dfrac{1}{2})^4=\dfrac{1}{2}^{t/5730}\\\\4=t/5730\rightarrow t=22920~years

6 0
2 years ago
How many atoms are in 10.0 moles of titanium
Tema [17]
The answer should be 479 i could possibly be wrong but that’s what i got because one mole is 47.90 grams
8 0
2 years ago
(4 points) The following lead compound for a pharmaceutical drug contains a rotatable bond. Using the principles of rigidificati
masya89 [10]

Answer:

Explanation:

The solution has been attached

3 0
2 years ago
Why must each atom of an element always have the same number of protons?
Yuliya22 [10]
Atoms do not always contain the same number of electrons and protons, although this state is common. When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral. In contrast, when an atom loses or gains an electron (or the rarer case of losing or gaining a proton, which requires a nuclear reaction), the total charges add up to something other than zero.
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3 years ago
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