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vekshin1
3 years ago
14

Something that causes a response in an organism is called a(n) _____.

Chemistry
1 answer:
fomenos3 years ago
7 0
A Stimulus is the answer
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When two bodies interact they apply forces to one another that are equal to magnitude and opposite direction
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2 years ago
How many valence electrons should you use to draw a Lewis structure of ammonia (NH3)?
Mekhanik [1.2K]
Hello there,


Your correct answer would be 8.<span> There are </span>8 valence electrons<span> available for the Lewis structure for NH</span>3<span>.

Hope this helps

~Hottwizzlers</span>
4 0
3 years ago
Read 2 more answers
What is the mass because I already have the volume and density
Bad White [126]

76.88 I think im sorry if wrong

5 0
3 years ago
Hera much hydrogen-3 wil remain after 60 years if the original sample had a mass of 100.0 g and the half-life of hydrogen-3 is 1
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6 0
3 years ago
10) In order to make spaghetti cook faster, a chef adds salt to water. How many moles of salt would he need to add to 1.0 kg wat
Vadim26 [7]
The answer is 4.9 moles.
Solution: 
Using the equation for boiling point elevation Δt,
     Δt = i Kb m 
we can rearrange the expression to solve for the molality m of the solution:
     m = Δt / i Kb 

Since we know that pure water boils at 100 °C, and the Ebullioscopic constant Kb for water is 0.512 °C·kg/mol, 
     m = (105°C - 100°C) / (2 * 0.512 °C·kg/mol)
         = 4.883 mol/kg 

From the molality m of the solution of salt added in a kilogram of water, we can now find the number of moles of salt: 
     m = number of moles / 1.0kg
     number of moles = m*1.0kg 
                                  = (4.883 mol/kg) * (1.0kg)
                                  = 4.9 moles
4 0
3 years ago
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