2 years ago

In which set of elements would all members be expected to have very similar chemical properties?

Chemistry

1 answer:

zepelin [54]2 years ago

6 0

Answer:

each group of the periodic table.

example group 7 - fluorine, chlorine, bromine, iodine, astatine, tennessine

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Consider the statement, “In a chemical reaction, atoms are neither created nor destroyed, only rearranged.” Why is this a statem

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Answer: The law of conservation of mass is reffering to the fact that energy cannot be created or destroyed. So when you speak about atoms not being created or destroyed it is the same thing. Unless you're talking about an atomic bomb where the atoms are split.

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3 years ago

On the locating the epicenter exploration what city was near the epicenter?

Zina [86]

B)Buenos Aires was the city near the epicenter :)

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3 years ago

What group of professionals specialize in designing, testing, and building the products of technology?

swat32

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3 years ago

Two gas-filled tanks have the same volume, temperature, and pressure. They are identical in every way except that one is filled

Tems11 [23]

Answer:

The tank with O₂ weighs more.

Explanation:

We can find the mass of gas using the ideal gas equation.

$P.V=n.R.T=\frac{m}{M} .R.T\\m=\frac{P.V.M}{R.T}$

Considering the pressure (P), volume (V), temperature (T) and ideal gas constant (R) are the same, we can establish that:

m ∝ M

The mass is directly proportional to the molar mass. The molar mass of O₂ (32 g/mol) is higher than the molar mass of N₂ (28 g/mol). Therefore, the tank with O₂ weighs more.

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3 years ago

1. The back legs of frog are very strong and it has webbed feet because ……..

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It helps them to swim

I think this ans may help you

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3 years ago