Write a balanced equation for this reaction. (You do not need to include states.) How many kilograms of sodium dichromate, Na2Cr2O7, are necessary to produce 130.4 kg of sodium hydrogen sulfate? How many kilograms of chromium(VI) oxide are formed when 130.4 kg of sodium hydrogen sulfate is made?

Q: balance the chemical equation P4 (s) + O2 (g) --> P2O5 (l)

A: For balancing the chemical equations, first balance the elements that appear only once on each side…

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A: Ariana plans to react a sample of magnesium carbonate (MgCO3) with hydrochloric acid (HCl) to…

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: Write the empirical formula of the compound formed by (a) Al3+ and Cl- ions, (b) Al3+ and O2 - ions,…

A: Empirical formula gives the lowest whole number ratio of atoms of each element in a compound. The…

Q: Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum…

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Q: Write the empirical formula of the compound formed by (a) Al3+ and Cl - ions, (b) Al 3+ and O2 -…

A: The empirical formula of the compound formed by (a) Al3+ and Cl- ions, (b) Al3+ and O2- ions, (c)…

Q: A crystal of the mineral pharmacosiderite, Fe3(AsO4)2(OH)3•5H2O, contains what percent of  oxygen by…

A: The molecular formula of the crystal pharmacosiderite is = Fe3(AsO4)2(OH)3•5H2O One molecule of the…

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Q: How many grams of sodium iodide, NaI, must be used to produce 56.2 g of iodine, I2?

A:

Q: Consider the Harber-Basch process for the synthesis of ammonia from its elements. Calculate the…

A: Interpretation-  To determine the theoretical yield in moles NH3 from the complete reaction of 59.8…

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Q: Is the decomposition of CuSO4· 5 H2O a physical or a chemical change? Why?

A: The copper sulfate penthydrate dehydrates to form the clear, anhydrous copper sulfate.

Q: Let's say you are working in a laboratory with a group and you are the only student who has taken…

A: According to given information, Mass of unknown hydrate CoCl2. XH2O = 33.92 g - 32.27 g = 1.65  g…

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A:

Q: Consider the reaction between H₂PO4 and NH, to produce (NH4)₂HPO4. The molar mass of H₂PO4 is…

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Q: In an experiment, 34.8243g of copper (II) nitrate hydrate, Cu(NO3)2•zH2O was heated to a constant…

A: Given, mass of copper (II) nitrate hydrate is 34.8243g and when heated the mass is 27.0351g.

Q: When active metals such as sodium are exposed to air, they quickly form a coating of metal oxide.…

A: Please find the below attachments.     Thank you

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A:

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A:

Q: Balance the following chemical equation (if necessary): C3H69G)+O2(g)=CO2(g)+H2O(g

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A: To given solution-Explanation:Complete solution.

Q: A possible practical way to eliminate oxides of nitrogen (such as NO2) from automobile exhaust gases…

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A:

Q: Write a balanced chemical equation based on the following description:solid C₄H₁₀O is burned with…

A: Given reaction is shown below,C₄H₁₀O is burned with oxygen gas to produce gaseous carbon dioxide and…

Q: Balance the following chemical equation (if necessary):

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.