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disa [49]
3 years ago
9

When a scientist conducts an investigation, which of the following is the first thing he or she should do?

Chemistry
2 answers:
Vinvika [58]3 years ago
6 0

The correct answer is C

Lelu [443]3 years ago
5 0
The correct answer is "B. Make a Hypothesis".
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How do different bridge designs react to stong winds
anastassius [24]

Depending on how the design is, The bridge will sway, bounce, or move in some way. If the bridge was too stiff the winds would destroy the bridge and cause it to crumble and fall.

Hope that answer works for you! :)

3 0
3 years ago
How many moles of n are in 0.163 g of n2o?
zimovet [89]

First convert 0.163 grams of N2O to mol by dividing it with the molecular weight. The molecular weight of N2O is 44 grams/mol. The answer would be 3,79x10^-3. Then multiply it with 2 since there are 2 Nitrogen in one mole of N2O. Therefore, there are 7.41x10^-3 moles of Nitrogen. 

3 0
3 years ago
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A rock displaces 1,500 mL of water. The volume of the rock is
Schach [20]
1500 cm^3 ; 1 mL equals 1 cm^3
3 0
3 years ago
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Round the following numbers to the number of significant figures indicated:
Kruka [31]
  1. 3.5
  2. 9
  3. 24.7
  4. 8.01
  5. 0.006
  6. 13(1.25×1012=12.65)

Explanation:

Above we have simply looked the condition that where we put decimal point that gives your needed answer after round off.

For example:

we have to make 2 s.f from 345 so we kept decimal after 3 and we rounded off to make 3.5 from 3.45

Hope you got it

7 0
2 years ago
I’m bored let’s text
gavmur [86]

Answer:

read story book

Explanation:

and do what you like!?

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2 years ago
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