Magnesium will burn in air to form both Mg3N2 and MgO. What mass of each product would be found if burning a 3.29 g sample of magnesium to completion produces a combined total of 5.09 g of the two products?

Q: A student mixed sodium carbonate and calcium chloride in a test tube. A white solid appeared…

A: Given reactant  Sodium carbonate  Calcium chloride Product  To be determined

Q: Provide an alternative experiment to test the oxygen and carbon dioxide levels of a given sample of…

A: Interpretation - To provide an alternative experiment to test the oxygen and carbon dioxide levels…

Q: In the combustion of heptane, CO2 is produced Assume that you want to produce 600kg of dry ice per…

A:

Q: The specific heat of silicon is 700J/kg/oC, how much energy is needed to raise a 14g of silicon by…

A: Given, The specific heat capacity of silicon [Cp] = 700J/kg•°C = 0.7 J/(g•°C) Mass of the silicon…

Q: How many grams of C5H12

A: ∙Given:- mass =1.24kg or 1240g                    T1 Initial temperature=23.6°C…

Q: um (K) was put in 3000 ml of water. They underwent a violent reaction and produced hydrogen gas…

A: Reaction Between potassium and water as, 2k+2H2 o→2koH+H2

Q: How many grams of barium sulfate will be formed from 200.0 g of barium nitrate and 100.0 g of sodium…

A: Given: Mass of barium nitrate = 200.0 g Mass of sodium sulfate = 100.0 g

Q: what is ΔHcond for this substance

A:

Q: What is the average kinetic energy of argon atoms at a temperature of 115°F?   What is the average…

A: Given: Temperature (TF) = 115°F   Or TK = (TF + 459.67)×(5/9) Or TK = (115 + 459.67)×(5/9) Or TK =…

Q: What happens to the kinetic energy of the particles in a sample of gas as the temperature of the…

A:

Q: A www-awu.aleks.com/a O STATES OF MATTER Solving for a gaseous reactant 0/5 The great French chemist…

A:

Q: 4. How is the Kelvin temperature of a substance related to the average kinetic energy of its…

A: Average kinetic energy is defined as the average of all the kinetic energies of the particles…

Q: 1) A gas in a cylinder with a moveable piston has an initial volume of 88.2 mL. If we heat the gas…

A: Given,  Initial volume = V1 = 88.2 mL  Initial temperature = T1 = 273 + 35 = 308 K  Final volume =…

Q: Consider the example of the block released from the spring and then travelling up the circular ramp.…

A: Nonconservative forces are the force of friction or the air resistance force. These forces takes…

Q: PV 1.00 atm x70 L n RT Lxatm 0.0821 x 295 К Кхmol

A:

Q: Given: 4 NH3 (g) + 3 O2 (g) → 2 N2 (g) + 6 H2O (l) ΔH = -1500 kJ How many grams of ammonia (MM =…

A: As per the given balanced chemical equation, 4 moles of ammonia react to release 1500 kJ of heat.

Q: 02. A sample of 22.3 g of propane, C3H8, is completely oxidized. How many moles of carbon dioxide…

A: Volume of 1 mole of gas at STP = 22.4 L

Q: Propane is burned in a BBQ. CHs (g) + 5Oy (g) → > 3CO) (g) + 4 H,O (g) What volume of carbon dioxide…

A: Here Given that, The volume of propane burned = 2.30 L And  According to the stoichiometry of the…

Q: "The dissolving of NH 4NO 3 is used in chemical cold packs. If 38.2 g NH 4NO 3 is dissolved in 93.4…

A: Dissolution of ammonium nitrate in water is endothermic process . so heat required to dissolve…

Q: 8. What happens to the average kinetic energy (speed) of the particles in a sample of matter as the…

A:

Q: which one are gases? a:) Hz e.)al oF b.) CH4 aboe C.) NZ

A: Properties of gases is, Gas can be mixed easily. Gas can be compressed. Gas having lower density.

Q: A mixture of hydrazine (N2H4) and hydrogen peroxide (H2O2) is used as a rocket fuel. These two…

A: Calculate the number of moles of hydrazine. Number of moles = Given mass Molar mass Number of moles…

Q: Which of the following correctly states the purpose of the Calorimetry experiment? (Experiment 1) To…

A: Applying concept of calorimetry.

Q: Differentiate the following and give examples: AR grade CP grade USP grade

A:

Q: How many grams of carbon are present if it requires 57.5 kJ of energy to heat a sample from 20.0 to…

A:

Q: CaCO3 decomposes at 1200° C to form CO2 gas and Cao. If 25 L of CO2 are collected at 1200° C, what…

A: Ideal Gas Law : According to ideal gas law at a temperature T, pressure P , if the volume occupied…

Q: Write the balanced chemical equation for the standard formation reaction of solid calcium oxide…

A: Chemical equation is an equation in which atoms of elements of reactants are placed in left side and…

Q: a) Mass of calorimeter 5.0 g b) Mass of calorimeter plus water 34.1 g c) Mass of ammonium chloride…

A: The data given is,

Q: IF5 reacts vigorously in water to form iodic acid and hydrofluoric acid according to the following…

A: Since from the given reaction we can see that 1 mole of IF5 will need 3 moles of H2O to react…

Q: es relative to the average kinetic energy of hydrogen

A: Relation is : Average kinetics energy ( K ) = ( 3 / 2 ) RT  According to this Relation, Average…

Q: Consider the combustion of liquid C5H in oxygen gas to produce carbon dioxide gas and water vapor.…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: The production of from syngas can be done via thermochemical conversion.

A: Syngas is the composition of carbon monoxide and hydrogen (CO + H2 )   (ZnO + Cr2O3) catalyst so the…

Q: 7) The most important reaction that allows our cars to do work is octane (C8HI8) combustion. 2 08HI8…

A: As per guidelines if multiple questions posted  first question is allowed to solve , please post…

Q: How many grams N2 (g) + 3H2 (g) SHOW WORK and

A: Introduction: The above problem can be solved by the concept of limiting reagent. Limiting reagents…

Q: The thermite reaction,Fe2O3 + Al -------> Al2O3 + Feproduces so much heat that the Fe product…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 2. Assume the density of air at room temperature is 1.2 g/mL. A student is holding two balloons…

A: Given information, Density of air at room temperature = 1.2 g/mL Density of balloon filled with…

Q: 2) Write the balanced equation for the thermal decomposition of copper(II) sulfate hydrate, based on…

A: Given: Thermal decomposition of copper (II) sulfate hydrate. And the average ratio of moles of water…

Q: A 0.400-g sample of Niobium(IV) oxide is reacted with oxygen gas, yielding 0.4256 g of a new…

A: A reaction in which the number of atoms which are there in the reactant side and the product side is…

Q: Considering 2H2+O2=2H2O what mass of oxygen gas (O2)will be consumed if 100.0 grams of hydrogengas…

A:

Q: What mass of galena (PbS) is converted to lead (II) oxide if 200 kJ of heat are produced?

A:

Q: A student is asked to identify an unknown piece of metal. The metal has a mass of 12.34 g. It is…

A: Given data,Mass of metal=12.34gTemperature of metal (Tm)=99.98oCVolume of water=103.25mLDensity of…

Q: The following picture is a representation of This process releases very large amounts of energy.…

A: Given : Large amount of energy is released. And the process is as shown below.

Q: Calculate the volume

A:

Q: Which is not a physical property of chlorine? The color of gaseous chorine is green. Chlorine…

A: A physical property is any property that is measurable without changing the composition of matter.…

Q: At a given temperature, for which of these gases: H2(g); O2(g) is: a) the average speed less? b) the…

A: Given, H2 and O2 gas

Q: A 3.75 L sample of O2 at STP contains what mass of O2?

A:

Q: A mixture of hydrazine (N2H4) and hydrogen peroxide (H2O2) is used as a rocket fuel. These two…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: Which of these properties is/are characteristic(s) of gases? I. High compressibility II. Relatively…

A: The matter is anything that occupies space and is having mass. There are three main states solid…

Q: Ammonium carbamate will decompose into ammonia and carbon dioxide gasas. A 780.7 g sample of…

A: Answer: Decomposition reaction of Ammonium Carbamate is given and we have to find out the number of…