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2 years ago

Which of the following is a metal? * sulfur nitrogen silicon francium

Chemistry

1 answer:

aliina [53]2 years ago

7 0

Answer:

francium

Explanation:

sulfur is nonmetallic so is nitrogen and silicon

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What type of compound is formed when a secondary (2°) alcohol is treated with Jones' reagent?

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3 years ago

Read 2 more answers

A sample of nitrogen gas is collected over water at temperature of 20.0˚C. What is the pressure of the nitrogen gas if atmospher

Levart [38]

Answer:

$P_N=0.987atm$

Explanation:

Hello there!

In this case, for these problems about collecting a gas over water, we must keep in mind that once the gas has been collected, the total pressure of the system is given by the atmospheric pressure, in this case 1.01 atm. Next, since we also have water in the mixture, we can write the following equation:

$P_T=P_w+P_N$

Thus, by solving for the pressure of nitrogen and using consistent units, we obtain:

$1.01atm=17.5torr*\frac{1atm}{760torr} +P_N\\\\P_N=1.01atm-0.023atm\\\\P_N=0.987atm$

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2 years ago