Answer:1 mol of Mg(NO3)2 contains 6.022*10^23 molecules
3 mol Mg(NO3)2 contains 3*6.022*10^23 = 1.81*10^24 molecules
Each Mg(NO3)2 molecule contains 2 N atoms
Number of N atoms = 2*1.81*10^24 = 3.62*10^24 N atoms.
2nd law i think
Have a good evening and im sorry if im wrong
Bai sisters
Answer:
100% false
Explanation:
instinct is something they are born knowing how to do and sitting and rolling over is something you have to train them to do:)
Astronomers use the Doppler effect<span> to measure the frequency of light waves as an object is moving with respect to the observer</span>
Answer:
1. How to Act Like a President
2. Developing a Presidential Style
3. The Institutional Workings of the Presidency
4. Polling Public Opinion, Before Polls
5. Managing a Quarrelsome Cabinet