Is krypton a non-reactive, highly reactive, or radioactive?

Chemistry

1 answer:

Julli [10]2 years ago

7 0

Answer:

Krypton does not react with anything, but it reacts with fluorine gas

Explanation:

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For the reaction of nitric oxide and oxygen to form nitrogen dioxide, the reaction begins with 12.0 g of nitric oxide and 12.0 g

allochka39001 [22]

Answer:

Explanation:

Hello!

In this case, since the undergoing chemical reaction is:

$2NO+O_2\rightleftharpoons 2NO_2$

The equilibrium expression in terms of pressures is:

$Kp=\frac{p_{NO_2}^2}{p_{NO}^2p_{O_2}}$

Thus, for the initial conditions, we compute the initial pressures of both nitric oxide and oxygen:

$p_{NO}^{0}=\frac{12.0g*0.082\frac{atm*L}{mol*K}*298.15K}{30g/mol*10.0L}=0.978atm\\\\ p_{O_2}^{0}=\frac{12.0g*0.082\frac{atm*L}{mol*K}*298.15K}{32g/mol*10.0L}=0.917atm$

Next, since the equilibrium pressure is 1148 mmHg or 1.51 atm, we can write:

$p_T=p_{NO_2}+p_{NO}+p_{O_2}\\\\1.51=2x+0.978-2x+0.917-x\\\\1.51=1.90-x\\\\x=0.39atm$

Thus, the Kp turns out:

$Kp=\frac{(2*0.39)^2}{(0.978-2*0.39)^2(0.917-x)} \\\\Kp=29.4$

Best regards!

3 0

3 years ago

This malleable metal has an atomic number of 79

bulgar [2K]

The malleable metal on the periodic table with the atomic number of 79 is gold

7 0

3 years ago

If the temperature of a gas is raised from 30°C to 60°C, what happens to the pressure?

Fofino [41]

<h3>Answer:</h3>

The pressure increases by 10% of the original pressure

Thus the new pressure is 1.1 times the original pressure.

<h3>Explanation:</h3>

We are given;

Initial temperature as 30°C, but K = °C + 273.15
Thus, Initial temperature, T1 =303.15 K
Final temperature, T2 is 333.15 K

We are required to state what happens to the pressure;

We are going to base our arguments to Pressure law;
According to pressure law, the pressure of a gas and its temperature are directly proportional at a constant volume