Balance each equation by entering the correct coefficients.

CO2

1.

2.

SiO2 +

NH3 +

CaC2-

O2-

Si +

NO +

Cao +

H2O

Compared to a 1.0-liter aqueous solution with a pH of 7.0, a 1.0-liter aqueous solution with a pH of 5.0 contains 1: 10 times more hydronium ions 2: 100 times more hydronium ions 3: 10 times more hydroxide ions 4: 100 times more hydroxide ions

How many chlorine (Cl) atoms would be in 4 molecules of salt (4 NaCl) ? Question 6 options: A. 1 B. 2 C. 3 D. 4

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In the first recrystallization, after the solid has been dissolved in warm acetone, the solution is allowed to cool slowly to room temperature. In an older procedure the warm solution was placed directly into an ice bath.

Justify Must new substances be formed when you observe a chemical property? Explain

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