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liberstina [14]
3 years ago
5

What is the formula for potassium fluoride?

Chemistry
1 answer:
Deffense [45]3 years ago
6 0
The right answer is sodium
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How do the inner transition metals properly fit into the rest of the table?
SashulF [63]
They fit in by atomic mass and amount of valence electrons categorized in families
8 0
4 years ago
How would oxygen be represented in the formula equation for the reaction of methane and oxygen to yield carbon dioxide and water
Lera25 [3.4K]

Answer:

CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)

Explanation:

CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)

Methane + oxygen → carbon dioxide + Water.

The balanced equation above shows the combustion of methane, CH4 in oxygen, O2 to yield carbon dioxide, CO2 and steam, H2O.

The mole ratio of combustion are as follows:

1 mole of CH4 burns in 2 moles of oxygen to produce 1 mole of CO2 and 2 moles of H2O and a lot of heat.

6 0
3 years ago
What is the pressure of 5.0 mol nitrogen (N2) gas in a 2.0 L container at 268
CaHeK987 [17]

Answer: 54.94atm

Explanation: Please see attachment for explanation

8 0
3 years ago
The Earth's surface is colder than the air above it, what will happen to the air?
Nitella [24]

Answer:

If the earth's surface is cold, warm air above it will lose heat energy to the cold surface below and the now cool air will remain close to the surface. If a damp surface is warmer than the air above it, some water will evaporate, and the air above the surface will be heated.

Explanation:

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7 0
3 years ago
Durante 50 s un cuerpo viaja a una velocidad de 18.5 m/s, ¿Qué distancia recorrió?
weeeeeb [17]

Answer:

Distancia = 925 metros.

Explanation:

Dados los siguientes datos;

Tiempo = 50 segundos

Velocidad = 18.5 m/s

Para encontrar la distancia recorrida;

Matemáticamente, la distancia viene dada por la fórmula;

Distancia = velocidad * tiempo

Sustituyendo en la fórmula, tenemos;

Distancia = 18.5 * 50

Distancia = 925 m.

Por tanto, el cuerpo recorrió una distancia de 925 metros.

7 0
3 years ago
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