Magnesium will burn in air to form both Mg;N and MgO. What mass of each product would be found if burning a 3.55 g sample of magnesium to completion produces a combined total of 5.09 g of the two products?

Q: Blank 1 is used for separating liquids boiling below 150°C at one atmosphere from nonvolatile…

A: Separation of two components is carried out using distillation, absorption, adsorption, extraction,…

Q: Using standard enthalpies of formation is an indirect method of determining the standard heat of…

A: The answer is based on the validation of Hess's law.

Q: 15. CaO, MgO, and inerts are occasionally present in lime. true or false

A: Given: CaO, MgO, and inerts are occasionally present in lime. Select the correct answer.

Q: 8. Tantalum (BCC) has an atomic weight of 180.948 amu and an atomic radius of 0.146 nm. Calculate…

A: Step 1:The formula d= ZMwt/a3Na  Step 2: Step 3: Step 4:

Q: 1. A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature of 150…

A:

Q: Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper and in…

A:

Q: Calculate the number of vacancies per cubic meter in iron at 855 °C The energy for vacancy formation…

A: Given  Temperature = 855 oC                         = 1128.15 K Density = 7.65 g/cm3 Atomic weight =…

Q: If you mix 100 kgs each of Complete, Urea, and Ammophos (16-20-0), what is the resulting fertilizer…

A: To find the resulting fertilizer grade of the mixture if 100 kg each of  Complete, Urea, and…

Q: 2. A liquefied mixture has the following composition of 45 kg n-butane, 55 kg n-pentane and 20 kg…

A:

Q: Q2: a) A liquified mixture of n-butane, n-pentane and n-hexane has the following composition in…

A: Given: The mass of each of the species present is, mC4H10 = 50 kgmC5H12 = 30 kgmC6H14 = 20 kgmTotal…

Q: In a laboratory, 100.0 g of molten aluminum with a temperature of 932.0 K are poured into 1.0 Lof…

A: mal= 100g = 0.1kgmw= 1kgT' = 295.2TMeltingal= 932.0k

Q: How many metric tons of charcoal is required to reduce 1500 kg of arsenic trioxide?

A:

Q: (a) The temperature of the alloy (b) The composition of the a phase (c) The mass fractions of both…

A: 30% weight Ag 70% weight Cu Composition of liquid phase = 44% weight Ag

Q: Calculate the gross and net calorific value of a coal which analyses: C=80%, H=7%, N=1%, O=5%,…

A: Composition of coal is, C = 80 % H = 7 % N = 1 % O = 5 % S = 1 % Moisture = 2 % Ash = 4 %

Q: Consider an iron ore consisting of Fe2O3 and Fe3O4. What are the weights of Fe2O3 and Fe3O4 if the…

A: To get the Ratio of Fe is unity in Fe2O3 and Fe3O4 we get the reaction:  3 Fe2O3  + 2 Fe3O4…

Q: Calculate the gross and net calorific values of coal having the following composition: Carbon = 83%;…

A: Given: Coal composition: C=83%H=8%S=1%N=2% This is the ultimate analysis of the given coal. No…

Q: If you know that HfA for Na is 11 kj / mol and HfA for Cl is -14 kj / mol and Nacl A Hf is-413 kj /…

A:

Q: Addition of heat at constant pressure to a gas can result in raising its temperature WITHOUT…

A: The given statement is FALSE

Q: How can I calculate the CO2eq in US tons? Knowing that 600ft2 of 1/4inch boards produce 407kgCO2eq…

A: 600 ft2 of 1/4 inch boards produce =407 Kg CO2 eq

Q: Given the equation CH4 + 2O2 ---> CO2 + 2 H2) When 3.05 moles of CH4 are mixed with 5.03 moles of…

A: The amount of CO2 formed from the given reaction is to be determined.

Q: C. Calculate the total enthalpy change using the Hess' Law. 2H:0 2H2 + O: +572 KJ/mol 2HF H2 + F:…

A:

Q: What is the composition in atom percent (at%) of Cu in an alloy that contains 98.0 g Cu and 65.0 g O…

A: Given that  a alloy contain 98 g cu and 65 g Zinc

Q: What are the assumptions and limitations of using Ka as a basis of sorption?

A: Adsorption: Adsorption is that the sticking of gas molecules onto the surface of a solid……

Q: 3.00 Ibm of Benzene is added to a 5.00 kg mixture of toluene and 1-pentene. There is four times as…

A: Given, Mass of benzene,  m = 3.00 lbm×2.20462 kglbm= 6.61386 kg   We know, molar mass of benzene is…

Q: A column has to separate a mixture of A and B to yield a top product of xD = 0.97 and a bottom…

A: Given data: xD=0.97xW=0.04For bottom section; αAB1=1.8For top section; αAB2=2

Q: 4. A kiln is used to calcine a limestone analyzing 52% CACO3 , 30% MgCO3 , 5% Al,O3, 4% inerts, 6%…

A:

Q: 2. A liquefied mixture has the following composition of 45 kg n-butane, 55 kg n-pentane and 20 kg…

A: Answer . Kindly check detailed answer in Step-2. Answer of (c) is 67.7018

Q: Calculate the actual air

A:

Q: One of the key components in the manufacture of Portland ce-ment is Ca3SiO5, a compound that is…

A: The oxidation state of each of the elements in the given compound is to be mentioned.

Q: For a mixture with the masses listed in the chart below, calculate the mass fractions and mole…

A: Given, A mixture has number of species with their mass. Here we need to calculate the mass fraction…

Q: materials

A: Given: Window glass 20 wt. % Na2O, 10 wt. % CaO, and 70 wt. % SiO2 Final Glass Quantity = 2000 Kg

Q: A crude oil is a naturally occurring mixture, consisting predominantly of hydrocarbons, sulphur,…

A: Crude oil is the unrefined form of petroleum existing in nature, composed of organic salts,…

Q: 7. Iridium (FCC) has an atomic weight of 192.217 amu and an atomic radius of 0.139 nm. Calculate the…

A: To calculate the theoretical density of iridium, we can use the formula: [Density=NA​×VZ×M​]where:-…

Q: Reagent nitric acid is 74.53% HNO3 by mass and its molarity is 15.11 M. Calculate its molality.…

A:

Q: Which metals will corrode (anodes) and which ones will not be corroded when they are exposed to…

A: Gold (Au) is relatively unreactive and never endure corrosion. copper, iron, or zinc in the water…

Q: The natural gas has the following composition in mole percent.CH-82.5%, C,H613.5; N2-4%. Calculate…

A: Question: Answer: given that; The natural gas the compositions like methane yCH4 is 82.5…