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olga nikolaevna [1]
3 years ago
10

What affects the nervous system? and how does it affect the nervous system?

Chemistry
2 answers:
vazorg [7]3 years ago
6 0
When you get injured or hurt it affects the nervous system and let’s it react by the severity.
Stella [2.4K]3 years ago
6 0
Being in pain or being nervous lol
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Hlo ;) lol im banned and my name is kimboslicer it is so sad my accout is bloked 4 23:12
Sonbull [250]

Answer:

lol im sorry man

Explanation:

3 0
3 years ago
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Josh did an experiment recording the changes in temperature in sand and water when exposed to a light source, and then when the
asambeis [7]

i think the answer is c

8 0
4 years ago
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A student finds a piece of metal that she thinks is aluminum. She finds the volume to be 245 cm^3 and the mass to be 612 grams.
natta225 [31]

Answer:

Density = 2.5 g/cm³ , The metal is aluminium.

Explanation:

Density is defined as the ratio of the mass and the volume

Thus,

Density=\frac {Mass}{Volume}

Given that:

Mass  = 612 grams

Volume = 245 cm³

Thus, Density is:

Density=\frac {612}{245}\ g/cm^3

<u>Density = 2.5 g/cm³</u>

Metals are shiny with high density.

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<u><em>The metal is aluminium.</em></u>

<u><em></em></u>

3 0
4 years ago
Write the corresponding word equations for the reactions between;<br> (a) metals and water
Salsk061 [2.6K]

Answer:

M + H2O = MO + H2

Explanation:

When metals react with water they form oxides of the metal and hydrogen gas

7 0
3 years ago
When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of 2.71 kJ ⋅ K − 1 , the tempe
Umnica [9.8K]

Answer:

Molar heat enthalpy of KBr = -19.89 kJ/mol

Explanation:

Change in temperature (Δt) = 0.370 K

Heat capacity = 2.71 kJ ⋅ K^-1

Heat absorbed by calorimeter = heat capacity × change in temperature

                                               = 2.71× 0.370

                                               = 1.0027 kJ

Molar mass of KBr = 119 g/mol

No. of moles of KBr = 6.00/119

                               = 0.0504 mol

Heat absorbed by the calorimeter is given by KBr.

Now calculate the heat released by per mol of KBr as follows:

Heat released by per mol of KBr = 1.0027 kJ / 0.0504 mol

                                                   =19.89 kJ/mol

Heat is released therefore, sign will be negative.

Molar heat enthalpy of KBr = -19.89 kJ/mol

4 0
3 years ago
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