Sodium (Na) has 11 protons and 12 neutrons. What is its isotope notation?

Natali5045456 [20]

Factors that raise pH in a swimming pool. 1. Natural pH Rise: Carbon Dioxide Loss. The chemistry of pH sounds a lot more complicated than it is. In short, the less CO 2 in solution, the ... 2. Sanitizers and their pH Impact. 3. pH and alkalinity adjustment chemicals.

4 0

3 years ago

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This family (ethane, propane, butane, etc) of materials is likely to have what set of properties?

Ilya [14]

This family (ethane, propane, butane, etc) of materials is likely to have following set of properties.

The alkanes are non- polar solvents.
The alkanes are immiscible in water but freely miscible in other non-polar solvent .
The alkanes are consisting of weak dipole dipole bonds can not breaks the strong hydrogen bond.
The alkanes having only carbon (C) and hydrogen (H) atom which is bonded by a single bonds only.
The alkanes posses weak force of attraction that is weak van der waals force of attraction.

The ethane, propane, butane, belong to alkanes family.The alkanes are also considers as saturated hudrocarbons. Ethane is found in gaseous stae Ethane is the second alkane followed by propane followed by butane.

learn about butane

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2 years ago

Consider the following reaction at constant P. Use the information here to determine the value of Î”Ssurr at 355 K. Predict whet

Sloan [31]

The given reaction is as follows:

2NO (g) + O₂ (g) = 2NO₂ (g), ΔH = -114 kJ

It is known that dSsurr = -dHsys / T (Temp = 355 K)

So, dSsurr = - (-114 × 1000) / 355

dSsurr = +321.12 J/K