Chemistry Explain why manganese which has an average minimum exploitable grade of 35% has a higher concentration factor compared to gold which has an average minimum exploitable grade of 0.0001%.

Q: Calculate the mass of aluminum metal that is needed to produce Cr metal from 5.00 × 10² g of…

A: Solution- The Chromium metal is extracted from the Chromite ore by the following reaction 3Fe2CrO4…

Q: Which of the following is a transition metal? a) Calcium b) Iron c) Potassium d) Magnesium

A: In the Periodic Table, transition metals are the elements found in Groups 3-12. They are…

Q: Which of the following is a transition metal? a) Aluminum b) Copper c) Zinc d) Sodium

A: Transition metals are the metals that are present in between the s-block and p-block elements. The…

Q: The correct coefficients needed to balance the following equation are: Ca3(PO4)2 + HNO3 Ca(NO3)2 +…

A:

Q: Based on the equation below, which is correct? 2 C2H2(g)  +  5 O2(g)  →  4 CO2(g)  +  2 H2O(g)…

A: The electronegativity trend of oxygen carbon and hydrogen is  O>C>H In C2H2, hydrogen…

Q: 1. Calculate the volume of 0.0200 M KMnO4 that would be required to complete 0.20 grams of…

A: Balanced equation for the reaction between KMnO4 and K3[Al(C2O4)3] 10K3[Al(C2O4)3].3H2O + 12KMnO4…

Q: 1) List an oxidizing agent that will: a) oxidize Cu to Cu*2, without oxidizing Cu to Cu*1. b)…

A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost…

Q: 2% of WO, by IWC

A: Ore contains 2% wo3 100 tonnes ore contains 2 tonnes wo3 Now,  gram molecular mass of…

Q: 6. A mixture contains at least one of the ions in the silver group (Ag*, Hg²*, Pb²*). Read the…

A: The qualitative analysis of the metal ions involves the identification of metal ions that are…

Q: Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury…

A: Answer :-  a) Mass of NiO produced = 1.027 kg  b) Mass of PbO produced = 2.047 kg  c) Air required…

Q: Match the correct explanations with the provided strengthening mechanisms. Strain hardening…

A: 1.Strain hardening is a condition in the stress- strain curve in the such strain is applied on a…

Q: 2. Assuming that 1/2 of the original amount of copper was used as the starting material in the…

A: Given that -  Mass of copper initially used as 1/2 of starting amount = 1.316÷2 = 0.658 g    And…

Q: What is obsidian?

A: This problem is based on chemistry in everyday life.Here, Obsidian given is basically a type of…

Q: Balance the following equation:                Ca3(PO4)2  +    SiO2  -->   CaSiO3  +  P2O5

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Which element is brittle and does not conduct heat or electricity?

A:

Q: 100.0 g of a ground mineral sample consisting of a mixture of M9CO3 (magnesite) and BaCOs…

A:

Q: <p>Why is Ni not considered a common metal even though it composes over 2% of the total mass…

A: The reason for nickel cannot be considered as common metal is given in step two.

Q: colour

A: