Answer:
Immune system
Explanation:
Rheumatoid arthritis is an autoimmune disease. Normally, your immune system helps protect your body from infection and disease. In rheumatoid arthritis, your immune system attacks healthy tissue in your joints. It can also cause medical problems with your heart, lungs, nerves, eyes and skin.
<span> It requires much more energy to vaporize the substance than to melt it</span>
<u>Answer:</u> The molarity of stock solution of luminol is 1.055 M
<u>Explanation:</u>
To calculate the molarity of solution, we use the equation:
Given mass of luminol = 14.0 g
Molar mass of luminol = 177 g/mol
Volume of solution = 75.0 mL
Putting values in above equation, we get:
Hence, the molarity of stock solution of luminol is 1.055 M
Hi! I think the answer is option B. I hope
this helps, Goodluck :)
Answer:
Answer below:)
Explanation:
5.37 * 10^19 atoms of Iron (mol/6.022 *10^23)= 8.92 *10^-5