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FromTheMoon [43]
3 years ago
10

Use your understanding of the ideal gas law to

Chemistry
1 answer:
WITCHER [35]3 years ago
6 0
Answer:
Pressure is inversely related to volume.
Temperature is inversely related to moles.
Volume is inversely related to pressure.
Moles are inversely related to temperature.
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Write the ions present in a solution of K2CO3. Express your answers as chemical formulas separated by a comma. Offset subscripts
meriva

Answer:

K ^+ , CO3 ^2-

Explanation:

The compound is potassium trioxocarbonate(IV).

It contains cation (potassium ion) and acid radical ( trioxocarbonate (IV) ion).

Since K is in group 1 of the periodic table, it loses one electron to form ion i.e K^1. trioxocarbonate IV ion has a charge of 2-.and so the ions of the compound are as shown in the answer above.

8 0
3 years ago
Why do atoms of different elements vary in size?
Usimov [2.4K]

Answer:

As you go down the periodic table, usually atoms get bigger because n gets bigger (there are electrons in higher shells). Effective nuclear charge does get bigger too going down the periodic table, but this effect is smaller than the change in shell.

Explanation:

7 0
2 years ago
Read 2 more answers
A student builds a circuit that lights a lightbulb. A second bulb is added to the same loop between the first bulb and the batte
Lynna [10]

Answer:Each bulb will be as bright as the first bulb was

Explanation:

5 0
3 years ago
Write the equation for the formation of a fluoride anion from a fluorine atom. If the electron affinity of the fluorine atom is
Finger [1]

Answer:

Part A. F + e⁻ → F⁻

Part B. -820 kJ

Part C. -5.45x10⁻²² kJ

Explanation:

Part A

The fluoride anion is formed when fluorine accepts an electron:

F + e⁻ → F⁻

Part B

The electron affinity is the energy necessary for the atom to accept 1 electron, which is exothermic, so it's negative. The total energy q is the electron affinity multiplied by the number of moles:

q = -328 kJ/mol * 2.5 mol

q = -820 kJ

Part C

By the Avogadros' number

1 mol --------- 6.02x10²³ atoms

x --------- 1 atom

By a simple direct three rule:

x = 1.66x10⁻²⁴ mol

So, the energy for 1 atom is:

q = -328 kJ/mol * 1.66x10⁻²⁴ mol

q = -5.45x10⁻²² kJ

5 0
3 years ago
How do ionic bonds meet the octet rule?
Leto [7]

Answer:

In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion. By losing those electrons, these metals can achieve noble gas configuration and satisfy the octet rule. (i found the answer in google hehe)

Explanation:

3 0
3 years ago
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