Record player the large black disk player
To get the molecules contained in liquid ethanol, we multiply the density to the given volume, that is equal to 0.789 g ethanol. In this case, we divide by molar mass and multiply by the constant, Avogadro's number. The answer is 1.033 x 10^22 molecules.
Answer: D
Explanation: pH = - log( c). If c= 1.0 M. PH = 0, if c=0.001 M. PH = 3
To improve the efficiency of fireplaces, technologies such as A. addition of catalytic combustors and B. <span>addition of boilers are used in so far. Addition of catalytic combustors hastens the process and makes use of inerts that cannot be used. The addition of boilers also adds to the efficiency by converting fluids to higher temperatures,</span>
Answer:
Depends on what are you refering to
Explanation:
So depending on what you are looking for (your question is quite vauge)
there are 5 atoms of the comopound (K2CO3)
within that compound, there are 2 atoms of Potassium and 1 atom of Carbonate. Within Carbonate there are 4 atoms (1 carbon and 3 oxygens)
so answers may be
5, 15, or 25.
I hope this helps.
