3 years ago

In a closed container with a fixed volume, when the temperature of a gas doubles, the pressure of the gas is?

1 answer:

8 0

It's pressured gas and can bust

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Serhud [2]

exactly 22.0 grams

because freezing is a physical change not a chemicl change..so nothing is taken away or added

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2 years ago

vesna_86 [32]

Contributing to greenhouse gases

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2 years ago

LekaFEV [45]

The answer would be B the transfer of electrons from one atom to another

6 0

3 years ago

Inga [223]

Answer:

pKa = 4.89.

Explanation:

We can solve this problem by using the Henderson-Hasselbach equation, which states:

pH = pKa + log $\frac{[A^-]}{[HA]}$

In this case [A⁻] is the concentration of sodium benzoate and [HA] is the concentration of benzoic acid.

We input the given data:

4.63 = pKa + log $\frac{0.16}{0.29}$

And solve for pKa:

pKa = 4.89

3 0

2 years ago

Salsk061 [2.6K]

11.0 kg = (11.0 kg)(1000 g/kg) = 11000 g
(11000 g)/(1400 cm3) = 7.857 g/cm3
Simplified = 7.86 g/cm3

8 0

2 years ago