why are the theoretical density values of brass, bronze, and steel reported as a range of densities? how can you categorize thes
1 answer:
<u>Answer:</u>
<em>Theoretical density values </em>
- brass-
- bronze-
- steel-
<u>Explanation:</u>
All of these substances are<em> </em>alloys (a substance made from melting two or more substances, one of them usually being a metal). Brass is a combination of copper and zinc, bronze is mostly copper, tin and other non-metals as well and steel is majorly made up of iron and copper. These alloys have various uses and varying importance in different kinds of industries.
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Answer:
2.67 × 10⁻²
Explanation:
Equation for the reaction is expressed as:
CaCrO₄(s) ⇄ Ca₂⁺(aq) + CrO₂⁻⁴(aq)
Given that:
Kc=7.1×10⁻⁴
Kc=
Kc= [x][x]
Kc= [x²]
7.1×10⁻⁴ = [x²]
x =
x = 0.0267
x =