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3 years ago

The place at which two bones come together is called a

Chemistry

2 answers:

bogdanovich [222]3 years ago

8 0

Answer:

It's called a joints bsjsjnzjzjsjsjjz

qaws [65]3 years ago

4 0

Answer:

Joints is where two bones meet.

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Why is the atomic mass of most elements not a whole number?

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The atomic mass is the average of the isotopes of the element meaning most averages of isotopes will not be whole numbers

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3 years ago

1.00 L of a gas at STP is compressed to 473mL. What is the new pressure of gas?

Ratling [72]

Hello!

1.00 L of a gas at STP is compressed to 473 mL. What is the new pressure of gas?

We have the following data:

Vo (initial volume) = 1.00 L

V (final volume) = 473 mL → 0.473 L

Po (initial pressure) = 1 atm (pressure exerted by the atmosphere - in STP)

P (final pressure) = ? (in atm)

We have an isothermal transformation, that is, its temperature remains constant, if the volume of the gas in the container decreases, so its pressure increases. Applying the data to the equation Boyle-Mariotte, we have:

$P_0*V_0 = P*V$

$1*1 = P*0.473$

$1 = 0.473\:P$

$0.473\:P = 1$

$P = \dfrac{1}{0.473}$

$\boxed{\boxed{P \approx 2.11\:atm}}\:\:\:\:\:\:\bf\green{\checkmark}$

Answer:

The new pressure of the gas is 2.11 atm

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As4S6+O2->As4O6+SO2 blanced equation

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You can use the app chemical balanced it will save your life

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_ an electron moved around the nucleus in circular paths

kifflom [539]

Answer: although it is convenient to think of the electron moving around the nucleus along circular paths

Explanation:

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In CF4 and NF3, the ___electron groups on the central C and N atoms have a ___ arrangement. The shapes of the molecules are dete

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Answer:

Explanation:

In CF4 and NF3, the valence electron groups on the central C and N atoms have a tetrahedral arrangement. The shapes of the molecules are determined by the number of bonding and nonbonding of electrons: since CF4 has four bonded atom(s) and zero lone pair(s) of electrons, the shape is tetrahedral.

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3 years ago

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