The first step of the scientific method is To identify this

Chemistry

2 answers:

ludmilkaskok [199]3 years ago

6 0

Answer:

Purpose

Explanation:

The Scientific Method (simplified):

1. Purpose

2. Hypothesis

3. Materials

4. Procedure

5. Results

6. Conclusions

Sedaia [141]3 years ago

4 0

The first step is to identify your question.

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Explanation:

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2 years ago

Which compound is insoluble in water?<br> (1) BaSO4 (3) KClO3<br> (2) CaCrO4 (4) Na2S

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3 years ago

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How many moles are in 2.31*10^21 atoms of lead

Anon25 [30]

Hey there!:

Molar mass Lead ( Pb ) = 207.2 g/mol

Therefore:

1 mole Pb --------------------- 6.02*10²³ atoms
? moles Pb -------------------- 2.31*10²¹ atoms

moles Pb = ( 2.31*10²¹ ) * 1 / ( 6.02*10²³ ) =

moles Pb = ( 2.31*10²¹ ) / ( 6.02*10²³ ) =

=> 0.00383 moles of Pb

Hope this helps !

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3 years ago

Nitric oxide is formed in automobile exhaust when nitrogen and oxygen in air react at high temperatures.N2(g) + O2(g) 2NO(g)The

yanalaym [24]

Answer : The correct option is, (E) 7.8 atm

Explanation :

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