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Dmitriy789 [7]
4 years ago
6

on a hot summer day, water droplets often form on the outside of a cold glass. the water droplets form when water vapor in the a

ir
Chemistry
1 answer:
dangina [55]4 years ago
7 0


this is known as condensation when cold and warm temperatures meet


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PH=3 المحلول حمضي او قاعده ​
Dominik [7]

Answer:

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Explanation:

pH=3 المحلول حمضي او قاعده

5 0
3 years ago
What volume in milliliters of 1.420 M sulfuric acid is needed to neutralize 3.209 g of aluminum hydroxide 3 H 2 SO 4 (aq)+2 Al(O
nadya68 [22]

Answer:

V=43.46mL

Explanation:

Hello!

In this case, since the reaction between sulfuric acid and aluminum hydroxide is:

3H_2SO_4+2Al(OH)_3\rightarrow Al_2(SO_4)_3+6H_2O

Whereas the ratio of sulfuric acid to aluminum hydroxide is 3:2; thus, we first compute the moles of sulfuric acid that complete react with 3.209 g of aluminum hydroxide:

n_{H_2SO_4}=3.209gAl(OH)_3*\frac{1molAl(OH)_3}{78.00gAl(OH)_3} *\frac{3molH_2SO_4}{2molAl(OH)_3} \\\\n_{H_2SO_4}=0.0617molH_2SO_4

Then, given the molarity, it is possible to obtain the milliliters as follows:

V=\frac{n}{M}=\frac{0.0617mol}{1.420mol/L}*\frac{1000mL}{1L}\\\\V=43.46mL

Best regards!

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3 years ago
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Answer:

Organisms change their behavior in response to changes in the surrounding environment.

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All living things can respond to stimuli in the exterier environment, It is a form of energy—light waves or sound vibrations, From what they sense they will make neccisary changes to their diet and or where they are located.

Such as winter weather which is a type of stimulus will cause some animals to start hibernating.

4 0
3 years ago
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