Science

ChemistryQ&A LibraryAssume that you start with 1 mole(s) of magnesium metal, determine: The number of grams of MgO(s) that would be produced in the following reaction (enter your answer with 4 significant figures): Mg(s) + 1/2O2(g) → MgO(s) The number of grams of Mg3N2(s) that would be produced in the following reaction (enter your answer with 4 significant figures): Mg(s) + 1/3N2(g) → 1/3Mg3N2(s)Question

Assume that you start with 1 mole(s) of magnesium metal, determine:

The number of grams of MgO(s) that would be produced in the following reaction (enter your answer with 4 significant figures):

Mg(s) + 1/2O_{2}(g) → MgO(s)

The number of grams of Mg_{3}N_{2}(s) that would be produced in the following reaction (enter your answer with 4 significant figures):

Mg(s) + 1/3N_{2}(g) → 1/3Mg_{3}N_{2}(s)

Find answers to questions asked by student like you

Q: theoretical yield of chemical formulas

A: The theoretical yield is the amount predicted by a stoichiometric calculation based on the number of...

Q: A steel cylinder has a length of 2.16in, and a radius of 0.22in, and a mass of 41g. What is the dens...

A: The term density refers to a measurement which is used to measure the amount of matter which is pres...

Q: What is the difference between anion and cation?

A: Ions are the charged particles which result from atoms or molecules that have gained or lost one or ...

Q: 1. Define electrolyte and nonelectrolyte and identify each of the following substances as a strong e...

A: We have to explain electrolytes and non-electrolytes and the given substances are to be identified a...

Q: 9. What volume of 0.416M Mg(NO3)2 should be added to 255 mL of 0.102 M KNO3 to produce a solution wi...

A: When two solutions are mixed with each other, then dilution equation can be represented as follows:

Q: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass...

A: Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 amu and the mass...

Q: Convert 43.1 cm3 to liters.

A: Given, 43.1 cm3 is to be converted into liters.Conversion of one unit to another can be done by usin...

Q: Convert the following measures a. 520 mL to _________L b. 500 lb to ________Kg c. 5214 in to _____...

A: Meter and kilometers are some common units of distance. Similarly, gallon, milliliter and liter are ...

Q: Tin, element 50 on the periodic table, has 10 stable isotopes. 117^Sn makes up 7.687% of naturally o...

A: Using the formula moles of Sn117 is calculated as,

Q: O KINETICS AND EQUILIBRIUM Darlana Using a second-order integrated rate law to find concentration......

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change ...

Q: Using 12.16 m hcl and 3 m naoh calculate how to make 100 ml of 0.1 M of each

A: Given that,Initial concentration of HCl (M1) = 12.16 MFinal concentration of HCl (M2) = 0.1 MFinal v...

Q: (6*10^-7 g) / (3*10^-2 ml)

A: The given value is calculated as

Q: 320.28 - (6107.5/2.8). Express your answer to the appropriate number of significant digits. [(289.8 ...

A: Dear student,We are entitled to answer only one question at once. So, your first question is being a...

Q: 2. What is the unit of k for each of the following type of reaction? First order reaction a. b. Seco...

A: Consider that the concentration of the reaction is given in mol /L and time in seconds.

Q: A metal cube has an edge length of 16.0 mm and a mass of 36.7 g . Calculate the density of the metal...

A: Given:Edge length = 16.0 mmMass = 36.7 gWe need to calculate the density.

Q: What is the change in entropy for the system (positive, negative, or zero)? Concentrated bleach is a...

A: Entropy is a measure of degree of disorderness of the system. It increases with an increase in rando...

Q: For the gas phase isomerization of methyl cis-cinnamate,cis-C6H5CH=CHCOOCH3trans-C6H5CH=CHCOOCH3the ...

A: A = pre-exponential factor,R = gas constant,T = absolute temperaturek = reaction rate coefficient.Ea...

Q: Suppose that some of the compounds spilled out of the crucible after it was heated. Would that cause...

A: In the crystal lattice structure of many ionic compounds naturally contain water. These compounds ar...

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance ...

A: The average atomic mass of three isotopes can be calculated using the following expression:

Q: What is the difference between absorption and adsorption?

A: Absorption:It is the process by which atoms or molecules or ions enter into a bulk phase such as liq...

Q: Suppose that in a gravimetric analysis, you forget to dry the filter crucibles before collecting pre...

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements prese...

Q: calculate the mass of 1.00 quart of benzene if it has a density of 0.879g/ml

A: Conversion of quart to milliliter:

Q: Draw the structure of the one tertiary (3°) amine with molecular formula C5H13N that does not contai...

A: Amine:The compound contains amine (NH2)group, which is bonded with carbon atom is called as amine.

Q: A pure titanium cube has an edge length of 2.76 in. How many titanium atoms does it contain? Titaniu...

A: Here, we have to calculate number of titanium atoms.

Q: A backyard swimming pool holds 185yd3 of water. What is the mass of the water in pounds?

A: Given,Volume of water in swimming pool = 185yd3Conversion of yd3 to cm3 is given by

Q: structures resonance structures? Oyes no Br Br yes + no yes + no yes no O

A: Resonance:The phenomenon in which a continuous delocalisation of pi-electrons occurs to let the mole...

Q: Carry out the division and enter the quotient with the proper number of significant figures in scien...

A: This is a division operation and in division, the number of significant figures are equal to the lea...

Q: Find the number of significant figures a. 67.25g b. 1.021g c. 20.157g

A: Rules for Determination of Significant Figures:[i] All non-zero digits are significant.For example: ...

Q: 16. Write balanced chemical equations for the following: a. A solution of sulfuric acid (battery ac...

A: (a)Balanced chemical equation for the acid–base neutralization reaction taking place between sulfuri...

Q: Calculate the vapor pressure at 50°C of a coolant solution that is 57.0:43.0 ethylene glycol-to-wate...

A: For an ideal solution the Raoult's Law states that partial vapor pressure of a component in a mixtur...

Q: How many grams CO2 do you produce when you consume 1 can soda? Given the equation: C6H12O6 + 6O2 -&g...

A: Given,Mass of sucrose in 1 can soda is 40 grams.First calculated moles of sucrose as follows,

Q: You want 1 L of a 5% glucose solution. If the molecular weight of glucose is 180 g/mol, how many gra...

A: Mass percent or weight percent of a solute in a solution is the mass of the solute by the mass of th...

Q: Chlorine is used to disinfect swimming pools. The accepted concentration for this purpose is 1 ppm c...

A: The mass of water in the pool is calculated as,

Q: Unit Analysis 15. The white blood cell concentration in normal blood is approximately12,000 cells/mm...

A: Given:Number of white blood cell in 1 mm3 = 12,000.Normal adult blood volume = 5 L.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar Sy...

A: The average atomic weight of the Molybdenum isotopes can be calculated as

Q: Hydroxyapatite, Ca0(PO)(OH)2,has a solubility constant of Ksp 2.34 x 10-59, and dissociates accordin...

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other solve...

Q: The "normal" lead content in human blood is about 0.40 part per million (that is, 0.40 g of lead per...

A: Click to see the answer

Q: Convert the following condensed formula to a Lewis structure. Be sure to include all lone pair elect...

A: The condensed formula of the compound is given as follows:

Q: Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister conta...

A: 1 L = 1000 cm31g = 0.001 kgVolume of the gas = 2.05 L = 2050 cm3Density of gas = 0.700 g / cm3

Q: Determine which of the following contains the greatest mass of aluminum: 122g of AlPO4, 266g of Al2C...

A: We have to calculate mass of aluminium in 122g of AlPO4, 266g of Al2Cl6, and 225g of Al2S3 and then ...

Q: How do you determine the starting mass before an experiment when given the collected mass of 0.9964g...

A: A chemical reaction refers to the process in which one or more substances also known as the reactant...

Q: What is the change in entropy (positive, negative, or zero) for the system? Sugar crystals are disso...

A: When solid dissolved in water, the entropy increases; but considering sugar that is larger when comp...

Q: Add curved arrows to both structures to show the delocalization of electron pairs needed to form the...

A: The given molecule exhibits a continuous delocalisation of pi electrons (resonance).The resonance ph...

Q: Unit Analysis 7. A rectangular box measures 6.00 inches in length, 7.00 inches in width, and 8.00 in...

A: Given values and their conversion to centimetre.1 inch = 2.54 cmLength = 6.00 inches = 6.00 x 2.54 c...

Q: Convert 7.57×10−3 m7.57×10−3 m to the equivalent length in nanometers

A: Given,7.57×10−3

Q: What is the answer to the following problem? (17 x 240) + 8.3 Please use the correct number of signi...

A: A significant figure is generally the number of digit in any given number including last digit whose...

Q: What is the electron and molecular geometry for CHBr3?

A: The Lewis structure or molecular skeleton is also known as electron dot structure. It is the complet...

Q: I struggle with resonance. Can you help show me how to do these?

A: Resonance is delocalisation of pi-electrons and unshared pair of electrons to attain stability.The r...

Q: The smallest unit of charge is −1.6×10−19 C, which is the charge in coulombs of a single electron. R...

A: Which one gives a whole number after you divide by -1.6x10^-19C since the electron has the smallest ...

Q: A. Ultraviolet 10-8 to 10-7 meters B. X-ray 10-11 to 10-8 meters C. Gamma ray 10-16 to 10-11 ...

A: To calculate the region, it is required to calculate the wavelength, which can be done as,