Answer:
Cr 6+ & SO4 2-
Explanation:
Sulfate is a polyatomic ion that has a charge of 2-. There are three of them in the chemical formula so it equates to a 6- total charge. Thus, chromium must have a 6+ charge to give the compound a neutral charge.
Answer:
It's B !
Explanation:
Formulas. The molecular formula for glucose is C6H12O6. This means that there are 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms bonded together to make one molecule of glucose.
Hope this helps!!
Answer:
<h2>
Kevlar has unique properties such as:</h2><h2><em>
High tensile strength</em>
, <em>
high toughness</em>
, and <em>
chemical stability </em>
at high temperatures<em>
</em>
in polyamides (polymer with repeating unit links by amide bonds.) </h2><h3>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h3>
Δ What is Kelvar? Δ
~ Kevlar is a heat-resistant and strong synthetic fiber
~ Kevlar is widely used as a friction material in the automotive industry, and a combustion protection material in the aerospace industry. <em>~Looked that up!</em>
<h3>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</h3>
<em>Hope I helped!!!</em>
<em>GL :)</em>
The correct answer is C. Colligative properties only depend upon the number of solute particles in a solution but not on the identity or nature of the solute and solvent particles. I hope this anwers your question.