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Natalija [7]
3 years ago
15

What do you think a force diagram might look like for a hit that causes a concussion? Draw a diagram. Consider only the person’s

head in your diagram. Be sure to draw arrows to the proper scale. In a text box, state whether your diagram shows balanced or unbalanced forces.
Chemistry
2 answers:
zlopas [31]3 years ago
6 0

Answer: I have the same test message me

Explanation: it won’t let me share my answers

kramer3 years ago
5 0

Answer:

This isn't very helpful

Explanation:

since you posted this 7 days ago could you tell me what you put cause I still dk

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Some signs of a chemical change are a change in color and the formation of bubbles. The five conditions of chemical change: color chage, formation of a precipitate, formation of a gas, odor change, temperature change.
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3 years ago
Materials: • One disposable plastic cup • One disposable plastic spoon (plastic fork or knife may be used instead) • Thermometer
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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!

7 0
2 years ago
Fill in the missing in information: (protons, electrons, atomic#, or
zloy xaker [14]

Answer:

sorry po Hindi ko po alam

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Sodium hydroxide +HCI ➙ sodium chloride +H2O<br><br> Is this a:
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