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zavuch27 [327]
4 years ago
12

Phosphorus and oxygen can covalently bond to form a polyatomic ion. Write the formula of a polyatomic ion that phosphorus and ox

ygen make. Make sure to include the ion charge.
Chemistry
1 answer:
Mekhanik [1.2K]4 years ago
8 0

For example phosphorus and oxygen can covalently bond to form a polyatomic ions, PO4³⁻ and PO3³⁻.

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Which of the following has the most thermal energy? 500 mL water at 25°C 1.5 L water at 25°C 15 L water at 25°C
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Which of the following elements has the same number of valence electrons as aluminum?
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What is the barometric pressure exerted in pascals (Pa) of a column of decane (density = 0.7300 g/cm3) 636.2 mm in height?
BartSMP [9]
<h3>Answer:</h3>

4551.37 Pascals

<h3>Explanation:</h3>

The pressure refers to the force exerted by a substance per unit area.

The pressure is liquid is calculated by;

P = height × density × gravitational acceleration

In this case;

Height = 636.2 mm

Density = 0.7300 g/cm³

g = 9.8 N/kg

We need to convert mm to m and g/cm³ to kg/m³

Therefore;

Height = 636.2 mm ÷1000

           = 0.6362 m

Density = 0.73 g/cm³ × 1000 kg/m³

             = 730 kg/m³

Then, we can calculate the pressure;

Pressure = 0.6362 m × 730 kg/m³ × 9.8 N/kg

              = 4551.3748 pascals

               = 4551.37 Pascals

Therefore, the pressure of the column of decane is 4551.37 Pascals

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3 years ago
You are examining the DNA sequences that code for the enzyme phosphofructokinase in skinks and Komodo dragons. You notice that t
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3 years ago
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