3 years ago

What is the density of carbon dioxide at STP?

1 answer:

4 0

0.00196 g

The density of carbon dioxide at STP is 0.00196 g/mL. Density has the equation: ρ is density. m is mass.

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nadya68 [22]

I would go with C because that seems like the best answer choice

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3 years ago

tensa zangetsu [6.8K]

The pairs are:
K, Kr - Same period
Be, Mg - Same group
Ni, Tc - Both are transition metals
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3 years ago

satela [25.4K]

The property of potential energy that distinguishes it from kinetic energy are Shape and position

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3 years ago

Sergio [31]

Answer:

$1.2\times 10^{-2}$

Explanation:

The given reactions are:

PbCl2(aq)⇌Pb2+(aq)+2Cl−(aq) $K_3 = 1.89\times 10^{-10}$

AgCl(aq)⇌Ag+(aq)+Cl−(aq) $K_4 = 1.25\times 10^{-4}$

Required reaction is:

PbCl2(aq)+2Ag+(aq)⇌2AgCl(aq)+Pb2+(aq)

$K_f = \frac{K_3}{K_4^2}\\=\frac{1.89\times 10^{-10}}{1.25\times 10^{-4}}^2\\=1.2\times 10^{-2}$

4 0

3 years ago

atroni [7]

10 atoms. If there are 10 in the reactants you need the same number in the products

5 0

3 years ago