Q: Question 20 What is the stoichiometric coefficient of O2 when the following equation is completed…
A: Alkanes on reaction with oxygen (combustion reaction) form carbon dioxide and water molecules. In a…
Q: QUESTION 1 When the equation below is balanced, what is the coefficient of O2 and what is the sum of…
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Q: QUESTION 12 Balance the following equation H 25 Sr(OH) 2 -> v SrS H 20 キ
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A: Avogadro Number - It tells that number of units of anything in 1 mole is equal to 6.022x1023.
Q: Question 3 Which of the following single replacement reactions below does NOT occur because the…
A: In a single displacement reaction, one element replaces another element from its salt.
Q: How many grams of sodium will be needed to produce 60.00 g of sodium phosphate? Na +Ca3(PO4)2 -->…
A:
Q: In the following balanced reaction, identify the oxidizing and reducing agents. 2SO2 + O2 → 2SO3…
A: We are given the reaction 2SO2 + O2 → 2SO3 We are to find the reducing and oxidizing to…
Q: Question 23 Which of the following is a gas-evolution reaction? None of the above are gas-evolution…
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Q: QUESTION 7 What is the oxidation number of P in P4010? Choose the correct sign ( + or -) and the…
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A: Following chemical equation/s is /are perfectly balanced .
Q: Question 3 Following the net ionic equation of the reaction: Na + FesO4 – Nazso4 + Fe How should its…
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Q: Which of the following is the oxidizing agent? Question 10 options: CH4 CO2 H2O O2
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Q: Question 7 An octect is equal to 0 8 O 5
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Q: Question 22 of 29> < 0/100 Combining 0.371 mol Fe, O, with excess carbon produced 16.6 g Fe.…
A: Given that,Actual yield=16.6 gNo.of moles of ferric oxide is 0.371 mole
Q: Question 11 Given the figure : lo = 208 ; 4 = 186 Absorbing solution Incident light a) Transmitted…
A: Absorbance ,A = € C l = log I0/ It Where €= molar absorptivity C= concentration l= path length
Q: In the analysis of NHs a 0.250 gof the nickel sample was used and found to contain 0.00515 mole of…
A: First Convert mole into mass by Multiplying molar mass MOLAR mass of NH3= 17g/mol Then for percent=…
Q: QUESTION 22 How many grams of Sodium are in 0.250 mole of Sodium? B) 5.80 g A) 23.0 g C) 11.0 g D)…
A:
Q: Question 12 When the equation,2 N + H NH, 2. 3 is balanced, what will be the coefficient in front of…
A: The balanced eqn for the given reaction is – N2 + 3 H2 ---> 2 NH3
Q: QUESTION 11 Write the balanced chemical equation for the reaction of solid rubidium with water.…
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Q: If the decomposition of a sample of KC1O, produces 4.75 g of 02. what was the mass (g) of the…
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Q: QUESTION 10 Which of the following reaction is decomposition reaction? O 2 Na (s) + 2 H20 ()2 N2OH…
A: Decomposition Reaction : decomposition reaction is a type of chemical reaction in which a chemical…
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A: We are required to find the element B
Q: many Zinc (Zn) atoms are in a 100.0 gram
A: Mass of Zn = 100 grams Molar mass(MM) of Zn = 65.38 g/mol Moles of Zn = mass/MM = 100/65.38 =…
Q: Question 15 The relationship between Ka and pOH is? O Directly proportional
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Q: Question 16 A of 6hours, How long will it be until only 6.3 xlo mg remain in the bedy?
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Q: HBr excess
A: The reaction taking place is given as,
Q: All change 9. What is the mole ratio of calcium carbonate to carbon dioxide in the reaction between…
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Q: QUESTION 25 Balance the following equation with smallest whole number coefficients. What is the…
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Q: Question 8 Given the reaction: Fe*2- Cr207-2 - Fe*3+ Cr*3 How many mole/s of H20 molecules is/lare…
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Q: QUESTION 34 Balance the following equation: Al (OH)3 H2SO4 |Al2(SO4)3 |H 20 ->
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Q: Practice Exercise 1Which is the correct net ionic equation for the reaction ofaqueous ammonia with…
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Q: Question 17 (1.5 points) Which of the following chemical equations is balanced? O a) E3H8 + O2 → CO2…
A: The balanced chemical equation from above options is
Q: 5Fe2 MnO4 SH 5Fe3 Mn2++ 4H20 In the above reaction, the oxidation state of manganese changes from to…
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Q: QUESTION 21 Which relationship best describes AS for the following reaction? CINO2(g) + NO(g) NO2(g)…
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Q: 54 Question 6 What is the balanced equation for the reaction: sodium phosphate Na3PO4 reacts with…
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Q: Which equation below represents the reaction that is taking place between ammonia and oxygen shown…
A: in oxidation reaction oxygen is added to species and increases the oxidation number.
Q: QUESTION 16 In the following reaction, what is the correct coefficient for aluminum chloride? O A) 1…
A: Calculate the correct coefficient for AlCl3 ?
Q: When the equation, ___O2 + ___C 2H 6 →→ ___CO2 + ___H2O is balanced, the coefficient of O2 is?…
A: A chemical equation represents a chemical reaction using symbols, chemical formulas, and…
Q: Question 13 What is the product when Na, and 0 react together? но OH B. Na OH NaOH D. D HO
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Q: QUESTION 14 LICH,CH3 i) ii) iii) iv) HO D. D. Pr НO Pr HO Pr Pr ii ii
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Q: Question 15 Chemical Equations: Balancing A. When the following molecular equation is balanced using…
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Q: Question 15 Chemical Equations: Balancing A. When the following molecular equation is balanced using…
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Q: I have lithium nitrate, strontium chloride, and sodium dihydrogen phosphate. Which unknown's are…
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Q: (a) Write the balanced chemical reaction between sodium bicarbonate and acetic acid. (b) In the…
A: Balanced Reaction: NaHCO3 + CH3COOH ---> CH3CONa + H2O + CO2
Q: Question 15 When the equation below is balanced, the coefficient of sodium cyanide is: NaCN + H2SO4→…
A: Jjjjjk
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- List two possible steps in the procedure that might've led to the gain and impurities to appear to be a gain of copper from the cycle of reactions be specific about the steps and how they might add impurities I need answer expert solutions Need answer step by stepThe three necessary components for alkali-silica reaction to occur are: (check all that apply) moisture (relative humidty > 80%) a pure limestone aggregate (100% CaCO3) reactive alumina a dry environment (relative humidity < 60%) sufficient alkalis reactive silicaChemical equation for copper and bismuth confirmation test
- Why does a gold-plated steel post might not offer the same protection as a 14K gold post?give explanation for earch optionIn simple words, describe the following steps in fabricating an IC: a- Crystal growth; b- Epitaxial layer growth; c- Oxidation d- Photo-masking, Photolithography and Photo etching e- Diffusion: Isolation diffusion; Base diffusion; and Emitter diffusion. f- Metallization & interconnections; g- Scribing & Mounting and h- Packaging and Quality Control.
- Question No. 3 a) Calculate the degree of Polymerization when an average molecular weight of a Polymer is 23040g/mol, having monomer of C8H8O4. b) Calculate the Degree of Crystallinity of the composite having mineral particles of 15(%) by weighthas enthalpy of melting of 31.3 (J/g) and enthalpy of crystallization of 24.4 (J/g). if, Δhm100 = 90(J/g). The Specific gravity of the matrix and particles is 1.24 and 2.2 respectively.Illustrate/draw: Grain orientation Random PreferredThis topic is about Metals in chemistry.Vishal