Mass of crucible, lid, and magnesium oxide                                             ____19.41 g____   Mass of empty crucible and lid after heating                                          _____15.05 g___   Mass of magnesium oxide                                                                       ______________g_   Determine the mass of magnesium oxide

Q: How many grams of ammonia (NH3) will be required to produce this amount of nitrogen

A: Balanced equation:               2NH3 - 3H2 + N2 Moles of N2 =16.16g/28gmol-1 =0.8978mols

Q: Define mole

A: Introduction : We have to define mole .

Q: Mn (s) + 2 CuCl (aq) --> 2 Cu (s) + MNCI2 How many grams of Cu will be produced by 4.4 moles of Mn?…

A: Given reaction,        Mn(s) + 2 CuCl(aq)  →  2 Cu(s) + MnCl24.4 moles of Mn

Q: a sample of ammonia (NH3) Liberates 5.59 KJOF heat as it solidifies at its meining point Whar is the…

A: Given : Amount of heat liberated = 5.59 KJ And the heat of fusion of ammonia = 5.66 KJ/mol.

Q: ow many moles of Al2O3 can be made with 12.5 grams of Al

A: The stoichiometric equation for the combustion of aluminium is, The moles of Al in 12.5 g is,

Q: a hydrated CuSO4 salt was heated and thus dehydrated. Determine the % H2O by weight in the hydrated…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: passing a sufficiently strong electric current throug splitting water to produce hydrogen gas and…

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Q: 1.10 g of M produce hy chloride hydrogen temperatur Mg Moles 3 Mc

A: A mole is a standard unit for measuring large quantities of very small entities such as molecules,…

Q: A mixture of 13.1 g Zn and 22.0 g l2 is reacted to completion in a closed, evacuated container Zn +…

A:

Q: A 0.4230 g sample of impure sodium nitrate (contains sodium nitrate plus inert ingredients) was…

A:

Q: A 5.185-g sample of calcium is burned in air to produce a mixture of two ionic compounds, calcium…

A: Given: Mass of calcium burned = 5.185 g. Mass of calcium hydroxide formed = 4.601 g.

Q: Mass of sample (g ) 1.94g Mass of empty crucible (g)  84.248g Crucible and sample after heating…

A: Mass of sample = 1.94 g Mass of empty crucible (g) = 84.248 g Crucible and sample after heating (g)…

Q: Magnesium at start is 0.33g   mass at end is 0.49 g    Determine the number of moles of magnesium…

A: The no of moles can be calculated by the following formula. no of moles=massmolar mass Molar mass of…

Q: Aluminum nitride, AIN solution reacts with solid calcium metal in a single displacement reaction.…

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Q: 4NH3(g) + 502(g) 4NO(g) + 6H2O(g) When 8.7 moles of ammonia reacts, determine the mass of water…

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Q: kg 0.00134 mol · dL mol ·L ?

A: Given : 0.00134 kg/mol . dL 1 kg = 1000 g 1 dL = 0.1 L

Q: Limiting reactants Sofia Gaseous butane (CH, (CH,) CH, 2. will react with gaseous oxygen (0,) to…

A: Given that 2.3g of butane and 16.1 g O2 are mixed in a reaction. Number of moles of butane and O2…

Q: ny moles of HI will be formed?

A:

Q: How manh stones are in 0.5 mol of stones

A: A mole is the amount of substance that contains 6.023×1023 chemical entities like atoms, molecules,…

Q: A student weighs a 0.0103 g0.0103 g sample of magnesium metal. How many moles of magnesium does the…

A: The answer to the following question is given as:

Q: Profiles Tab Window Help Chrome Edit View History Bookmarks File Lobby | Top Hat N Watch Gilmore…

A: Mass of Mg2SiO4= 80.0 g , Molar mass= 140.69 g mol-1 Then, Number of Mg atoms = ?

Q: If 20.0 g of magnesium reacts with excess hydrochloric acid, what mass of magnesium chloride is…

A: Given Mass of magnesium = 20 g Standard Molar mass of magnesium = 24.305 g/mol Molar mass of…

Q: A sample of barium reacts completely with oxygen in a specialized crucible. The reaction that occurs…

A: Answer:- This question is answered by using the simple concept of determination of empirical formula…

Q: Gypsum bandages are used to fix fractures. When gypsum hardens, a reaction occurs…

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Q: Determine the formula weight of NH,CI. Provide an answer to two decimal places.

A:

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: The reaction between lithium hydroxide (LiOH) and carbon dioxide (CO2) is, Number of moles of LiOH…

Q: A 0.4230 g sample of impure sodium nitrate (contains sodium nitrate plus inert ingredients) was…

A: Given data : Mass of sodium nitrate(NaNO3 )= 0.4230g  Mass of sodium nitrite (NaNO2) = 0.2588g…

Q: In this fictional reaction, how many grams of Q(AJ)2 are produced if 10.6 mol of AT are also…

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Q: 0.455g of magnesium reacted with 2.315g of oxygen and 0.755g of magnesium oxide was obtained.…

A: Given : Mass of Mg reacting = 0.455 g Mass of oxygen taken = 2.315 g And mass of magnesium oxide…

Q: Galena, a mineral of lead, is a compound of the metal withsulfur. Analysis shows that a 2.34-g…

A: (a)

Q: 58.1 g of solid calcium carbonate is mixed with 51.6 g hydrochloric acid. How many grams of carbon…

A: The mass of calcium carbonate is 58.1 g. The mass of hydrochloric acid is 51.6 g.

Q: Calculate the moolar man of LON remember to give the arewer to 2 dedmal places, and include the…

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Q: 330 hydrogen with unlimited amount of nitrogen makes?

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: determined. Use the following data to perform this calculation for copper (II) sulfate. Mass of…

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you…

Q: What is the mass of copper  g what is the mass of chloride g given copper chloride 1.652g mass of…

A: Mass of copper = (mass of evaporating dish + copper) - (mass of empty evaporating dish) Mass of…

Q: In lab, a student weighed out 0.407 grams of unknown in a beaker. The student added 49mL DI water…

A: First of all we need to calculate the weight of the barium chloride dihydrate are there in the…

Q: 3 16.1 g of bromine are mixed with 8.42 g of chlorine to give an actual yield of 21.1 g of bromine…

A: Given Mass of Bromine = 16.1 g Mass of Chlorine = 8.42 g Actual yield of BrCl = 21.1 g Standard…

Q: an experiment, a hydrated CuSO4 salt was heated and thus dehydrated. Determine the % H2O by weight…

A: We have given that , a hydrated salt  CuSO4  was heated and we get Dehydrated Salt CuSO4  Mass of…

Q: Use the following information to determine how many moles were produced? Round to two decimal…

A: The pressure of the gas is = 742.1 mmHg The volume of the gas is = 9.65 L The temperature of the gas…

Q: F. Percent CaCO, in Mixture 1. Moles of CaCO, in sample from mol CO, generated (n See equation 13.1.…

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Q: 25. Sebanyak 4 mol gas N2 yang tekanannya 1 atm ditambah dengan gas Clz sehingga campuran gas…

A:

Q: Magnesium will burn in air to form both Mg3N2 and MgO. What mass of each product would be found if…

A: The mass of a compound is determined by the number of moles of compound and its molar mass. The…

Q: A 0.500-g mixture of Cu2O and CuO contains 0.425 g Cu. What is the mass of CuO in the mixture?

A: Let, in the 0.5 g of the mixture of Cu2O and CuO, x g of Cu2O and (0.5 – x)g  CuO are present. Cu2O…

Q: Answer the following questions using the data in the table below.  See the calculations section…

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Q: Consider the following unbalanced equation: NH3 + 02 ------> NO2 + H2O The combustion of 28.8 grams…

A: Combustion reaction is a reaction where oxygen reacts with a molecule. Combustion can be both…

Q: In the gaseous state chlorine exists as a diatomic molecule Cl2 (molar mass=70.9g/mol). Calculate…

A: Given that in In the gaseous state chlorine exists as a diatomic molecule Cl2 (molar mass=70.9g/mol)…

Q: Octane gasoline C2 H5OH, is burned with theoretical air. Calculate a. A/F ratio on mole basis b. A/F…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: Mass % of Mn in potassium permanganate

A: Given, Potassium permanganate,  Molecular formula = KMnO4 Molar mass of K = 39 g/mol Molar mass of…

Q: Use the following information to determine how many moles were produced? Round to two decimal…

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Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: Lets write the chemical equation for this phenomena. LiOH + CO2 → Li2CO3 + H2O   Balance the above…