1 B,0, + 3 Mg → 3M9O + 2 B 5. (a) How many grams of boron can be obtained from 10.00g of B,0,? (b) What mass of magnesium is required to produce 400.0 g of boron?

Q: Write the balanced chemical equation for the reaction of these pairs of reactants: (a) Calcium and…

A: a) Ca + Br2 = CaBr2 . b) 4Al + 3O2 = 2Al2O3

Q: Complete the ionization reaction of Cr2 (S04)3. • Cr,(S04)3→ Calculate the molar mass of Cr2(S04)3 (…

A: Ionisation Reaction Ionisation or ionisation reaction is a process by which a molecule splits into…

Q: How many grams of beryllium are needed to produce 36.0 g of hydrogen? (Assume an excess of water.)…

A: Given reaction: Be(s) + 2H2O(l) ....> Be(OH)2(aq) + H2(g)  Mass of hydrogen(H2) gas is produced =…

Q: Methylhydrazine, N2H3CH31l2, is used with the oxidizer dinitrogen tetroxide, N2O41l2, to power the…

A: Methylhydrazine, N2H3CH3 (l), is reacted with dinitrogen tetroxide, N2O4(l), to produce N2, CO2, and…

Q: Calculate the equilibrium constant, K , at 25.0 °C for each of the reactions. Use the thermodynamic…

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Q: Barium metel was quantitatively precipitaded from 1.52g sample of BaCl2+2H2O. The mass of the barium…

A: Mass percentage = (mass of solute / mass of solution) x 100%

Q: How many grams of chromium is needed to produce 10 grams of chromium (iii) oxide?

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Q: (a) List four physical characteristics of a solid metal. (b) List two chemical characteristics of a…

A: PHYSICAL CHARACTERISTICS: The properties of elements or compounds noticed without any change in the…

Q: Identify these compounds as follows: (a) KCIO, (b) AgCO3, (c) FeCl2, (d) KMnO4, and (e) CsCIO3. 5.…

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Q: Part A)  Place the following elements in order of increasing atomic radii: Mg, Na, Rb, Cl.…

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Q: What mass of phosphorus is necessary to react with 3.72 g of iodine in the following reaction?…

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Q: What is the mass percent of water in Zn(NO3)2·6 H2O?

A: First calculate the mass of water.

Q: What is the maximum mass of B4C that can be formed from 2.00 moles of boron(III) oxide?

A: Boron(III) oxide is B2O3 B4C can be prepared by the reaction B2O3 with carbon. The chemical reaction…

Q: Predict the product(s) and write a balanced equation for each of the following redox reactions:(a)…

A: The balanced equation of the following redox reaction has to be given,

Q: What compound precipitates when aqueous solutions of Fe2(SO4)3 and LiOH are mixed? (b) Write a…

A: When two compound are mixed the cation of one compound combined with anion of another then there…

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in…

A: Number of moles of Mg and O2 are calculated as follows: No. of moles of Mg=massmolar mass=1.41…

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A: Aluminium in presence of KOH and sulfuric acid produces an alum.  Here Al is the limiting reagent…

Q: Predict the products and write complete, balanced equations for the following reactions and identify…

A: We have to predict the products and we have to write complete, balanced equations for the following…

Q: what mass in grams of H2O can be produced from 9.00 moles of O2?

A: In the given question we have to calculate the mass in gram of H2O. the balanced equation will be  2…

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Q: Write the molecular equation for the reaction of magnesium with oxygen in the air in the presence of…

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Q: 1. A thin wire of silver (Z=47, A = 107.87, face-centered-cubic, density = 10.49 g/cm³) is measured…

A: The objective of the question is to calculate the concentration of conduction electrons, mean free…

Q: 2 V2O5  +  5 Si →  4 V +  5 SiO2 Given the above balanced equation, calculate the number of grams…

A: Given , Mass of V metal = 476 g

Q: Complete and balance the following equations: (a) NaH(s) + H,O(1) (b) Fe(s) + H,SO,(aq) (c) H2(8) +…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

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A: A balanced chemical equation is the one in which the elements of the reactants becomes equal to the…

Q: 1.600 g of aluminum sulfate sample was dissolved in water and aluminum was precipitated as Al(OH)3.…

A: The mass % of the substance is equal to the ratio of mass to the molar mass of the substance…

Q: what is the mass percentage of water in Zn(NO3)2*6H2O?

A: Mass percentage of water = Mass of waterMass of Zn(NO3)2.6H2Ox100There are total six water molecule…

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Q: Answer the following. a) Balance the net ionic equation below for the reaction under basic…

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Q: Write the equation for the reaction: when nitrogen gas (N2) reacts with sodium metal (Na), solid…

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Q: Mass - kg

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Q: Given the following equation: 2 PbS + 3O2 -----> 2 PbO + 2 SO2 What is the theoretical yield of…

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Q: What kind of molecule can you make by moving Cl = Chlorine and Mg=Magnesium?

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Q: 4. This question concerns the hydrides of a range of elements a) In each of the following cases,…

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Q: You found a container with a white substance labeled MCIO, but you do not know which Group 1 metal M…

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Q: Cryolite, Na, AIF (s), an ore used in the production of aluminum, can be synthesized using aluminum…

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