3 years ago

Want ate the five steps of the scientific method

1 answer:

6 0

Answer:

make an observation is number one number two is ask a question number three is form a hypothesis number number five isa test the prediction.

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What is the Kb expression for aniline (C6H5NH2)?

Dimas [21]

This is what i got The KB expression for aniline c6h5nh2 is: For C6H5NH2 + H2O >< C6H5NH3+ <span>OH-Kb = 4.3 x (10 ^ -10) = [C6H5NH3+][OH-] / [C6H5NH2]

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3 years ago

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Charlotte is driving at 58.6 mi/h and receives a text message. She looks down at her phone and takes her eyes off the road for 4

kramer

Answer: 19.71 feet

Explanation:

Given: Speed of Charlotte =58.6 mi/h

Since 1 hour = 3600 seconds

and 1 mile = 5280 feet

So, Speed of Charlotte = $\dfrac{58.6\times5280}{3600}\approx85.95$ mi/ sec

She looks down at her phone and takes her eyes off the road for 4.36 s.

Since , Distance = $\dfrac{speed}{time}$

So, Distance = $\dfrac{85.95}{4.36}=19.71\ feet$

Hence, Charlotte traveled 19.71 feet during this time.

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2 years ago

How many significant figures are in the mass 3.0047 g?

Rudik [331]

Answer:

5 significant figures

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3 years ago

When naming ionic compounds the ______________ is named first.

grandymaker [24]

The answer is metal. Metals are always named first in ionic compounds, like KNO3 for example. I hope this helps!

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2 years ago