Answer:
15.63
Explanation:
250g O2 x 1 mol O2 x 2mol HgO / 32 g O2 x 1 mol O2
<span>So, when you make something boiling or melting, its still the same substance. Water doesn't change into something else, just change its state of matter. When you burn something, one substance reacts with another. For example, when you burn carbon in oxygen, you get carbon dioxide. That's the difference.</span>
Answer:
Hair and nails are mostly made of protein. Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
Answer:
for the force that sent the person forward, there is an equal force pushing back on the skateboard
Answer:
○ Coefficients in chemical equations
Explanation:
Hope this helps!!!
_liyah