5. The element that belongs to group II is _6. The element in a gaseous state is represented by. _7. The element with an oxidation number of -1 is

Q: The net reaction is represented by

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Q: how do you determine the relative reactivities of metals

A: The relative reactivity of metals can be compared.

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Q: Oxygen is not combustible.  Is this considered a Chemical or Physical property and why?

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A: 1. To carry out reaction at our desired speed , we add a foreign material to reaction mixture, such…

Q: Assuming an efficiency of 28.00%, calculate the actual yield of magnesium nitrate formed from 126.1…

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Q: d balance the equation.

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Q: Which is not balanced?

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Q: Balancing Equations Mn(NO,), + BeCl, → Be(NO,), + MnCl,

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Q: Iron and oxygen react chemically to form rust. What kind of substance is rust? A. Element B.…

A: Iron is 'Fe' and Oxygen is 'O'. Rust is hydrated ferric oxide, Fe2O3.xH2O

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A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: e of decomposition of the materi ount of the material eded to completely decompose a

A: As we know,Radioactivity follows first order kinetics,  So, Half life time = 0.693/k Where, K =…

Q: How to convert mercury into gold?

A: This may possible by neuclear change as shown my handwriten solution.

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Q: Assuming an efficiency of 38.20%, calculate the actual yield of magnesium nitrate formed from 135.4…

A: Balance the chemical equation for the reaction is as follows:

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A: Given : Voltage = 3.2 V  Mass of Calcium = 4.87kg

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Q: OI Ag zed will a Coist A mtil 0.15 mols of metal is deposited. Which metal will require the greatest…

A: Current I is given as I= Q /t ,where Q is the charge flown in time t.  So t= Q/I

Q: 96. Aluminum is produced comi AlO, in the presence of a m tinuous capacity of 1.00 mil can be…

A: The reaction which is taking place here  Al2O3+6e-+6H+→2Al+3H2O Given  i =1 million Ampere Time= 2…

Q: Assuming an efficiency of 44.10%, calculate the actual yield of magnesium nitrate formed from 141.6…

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A: Here no video is shown. So I will explain the reaction between hydrogen gas and oxygen gas.

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Q: 5. What is the other name of the Nitrous Acid Color Test? This reaction involves of what substances.…

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Q: How many mg of iron are present in a 236.5 g ore sample containing 0.15% iron by mass?

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Q: 34. Plating copper onto iron often involves a poisonous solid called a. sulfuric acid - b. metallic…

A: Plating copper onto iron often involves a poisonous solid called cuprous cyanide.

Q: MnSO4 + 5 PbO2 + 3 H2SO4 ⟶ 2 HMnO4 + 5 PbSO4 + 2 H2O Which atom was oxidized in this reaction?…

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Q: Purpose: This is the object or rationale for doing the experiment. It is what you are trying to…

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Q: 1.26 moles of copper reacts with excess

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Q: Consider the reaction shown below. OF2 + H2O ⟶ HF + O2 Which atom was oxidized in this reaction?…

A: Oxidation involve loss of electrons and reduction involve gain of electrons.

Q: Assuming an efficiency of 33.90%, calculate the actual yield of magnesium nitrate formed from 115.5…

A: Given,Efficiency or percent yield = 33.90 %Mass of Mg = 115.5 gMoles of Mg can be calculated as:

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Q: Consider a hypothetical chemical reaction: A+B C+D (In thi

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Q: Whats the name of phosphorus and sodium both burnt in excess and limited oxygen

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Q: (Write the balancing equations for C,H, and O.)

A: Since you have asked multiple questions, we will solve first one for you. For remaining question…

Q: Assuming an efficiency of 21.00%, calculate the actual yield of magnesium nitrate formed from 133.9…

A: Moles of Mg taken = mass / Atomic mass of Mg  Atomic mass of Mg = 24.3 g/mol Hence moles of Mg =…