why is not critical to get all copper out of the test tube between trials of the copper oxide and methane experiment?

Q: The aluminum is allowed to react with the sulfuric reaction until it stops reacting, and there is…

A: Given mass of aluminum = 1.53 g Molar mass of aluminum = 27 g/mol Number of moles of aluminum =…

Q: 1. Give equations for the preparation of methane by two other methods.

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

Q: What happenned in Bhopal Gas Tradegy?

A: Bhopal gas tragedy was happened on December 3, 1984 at Bhopal.

Q: If a air in sealed flask at 25C has a pressure of 136 kPa. What is the value of K using Gay-lussac…

A:

Q: A sample of potassium permaganate (KMnO4) reacts to completion with sodium oxalate (Na2C2O4) in the…

A:

Q: The speed at which low explosives decompose is calledthe speed of ___________.

A: The speed at which low explosives decompose is called the speed of ___________.

Q: Under what conditions of temperature and pressure would you expect hydrogen to deviate significantly…

A:

Q: Water is not usually removed from natural Egas in one of the following ways

A: 1. Water is usually removed from natural gas in the following ways: adsoption, absorption, cooling,…

Q: Please identify the percent difference of the experimental molar volume and theoretical molar volume…

A: The balanced equation for the reaction between Zn(s) and HCl to form H2(g) is: Zn(s) + 2HCl(aq) →…

Q: Write the Ideal-Gas Equation?

A: Ideal gas equation In an ideal gas, the particles of gas only collide through elastic collisions.…

Q: One mole of CO2 at STP will occupy Group of answer choices 22.4 L 44 g 44 L 1.0 L 24.5 L

A:

Q: A 2.000 gram sample containing graphite (carbon) and an inert substance was burned in oxygen and…

A: A 2.000 gram sample containing graphite (carbon) and an inert substance was burned in oxygen and…

Q: What is the importance of activated carbon in adsorption?

A: Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a…

Q: the pressure at the bottom of the Mariana trench is 950 atmospheres, choose the best answer for the…

A: Units and conversions 1 atmosphere=14.6959488 Psi units  so 950 atmosphere ........? Psi units  =950…

Q: Determine the mass (in grams) of magnesium metal required to produce 40.0 mL of H2with a temperature…

A: The reaction followed is: Mg + 2HCl → MgCl2 + H2 Firstly calculating moles of H2  Total pressure =…

Q: For calculations of gas volume given the reaction takes place at STP why do I have to use Moles=…

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: Why do high pressures favor the formation of the diamond from graphite?

A: Higher pressure will favor the formation of the diamond form graphite.

Q: A 21 L cylinder containing helium gas at a pressure of 35.1 atm is used to fill a weather balloon in…

A:

Q: 1) GaAs, 2) Si, and

A: To find the radius for a donor atom and its electrons in lowest energy state in the given elements.

Q: Consider Figure 13.1. If the height of the mercury column in the leveling bulb is  21 mm   greater…

A: Solution :      According to Boyle's law pressure is inversely proportional to the volume at a…

Q: Liquid water can be separated into hydrogen gas and oxygen gas through electrolysis. 1 mole of…

A:

Q: Oxyacetylene torches rely on a precise mixture of fuel (C2H2(g)) to oxygen to optimize the welding…

A:

Q: How would you measure the yield of the ethylene gas? It should be measured by volume since the…

A: To identify: How can we measure the acetylene gas yield.

Q: In an experiment, aluminum is reacted with excess aqueous hydrochloric acid. The hydrogen gas that…

A: Hello. Since the question contains multiple subparts, the first three subparts are solved. In case…

Q: Pyrolysis process will be carried O a. without oxygen under no Pressure O b. with oxygen under…

A:

Q: If the initial pressure of the air in the flask was 0.985 atm at 298.15K, what would the corrected…

A: The solution is given below -

Q: If the initial pressure of the air in the flask was 0.985atm at 298.15k what would the corrected…

A: We have: Initial pressure (P1) = 0.985 atm at Temperature (T1) = 298.15 K.  Final ressure (P2) = x…

Q: Compressed gases are typically contained in cylinder-shaped containers instead of any other shape,…

A: There are two types of gas cylinders for domestic use .A gas cylinder is a pressure vessel for…

Q: Calculate mass of KClO3 needed to produce 40mL of O2 at STP. Show all work.

A: Decomposition reaction of KClO3 2KClO3 .....> 2KCl + 3O2 Volume of O2 produce = 40ml =…

Q: How many diffusion stages are required if 235U is to be enriched from 0.70 to 7.0% by means of the…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Oxyacetylene torches rely on a precise mixture of fuel (C₂H₂(g)) to oxygen to optimize the welding…

A:

Q: 1. Calculate the mass of magnesium that is required to produce 27.8 mL of hydrogen gas at 26 °C and…

A: Given information,Volume of hydrogen gas is 27.8 mL.Temperature is 26 degree Celsius and pressure is…

Q: State the Sackur-Tetrode equation ?

A: At given physical quantities like temperature, pressure, and number of particles in the system, all…

Q: Air is a homogenous and 1.% argon by vol

A: Air is a mixture of several gases, where the two most dominant components in dry air are 21 vol%…

Q: give the specifications of flue gas analysis stack or flare?

A: A flare stack or gas flare is an elevated vertical stack or chimney found on oil wells and oil rigs…

Q: Use the illustration below to answer questions 19 and 20. Downward force 500 N Area 20 m2 Area 1 m2…

A: Please find your solution below : 19. This is known as the principle of hydraulic lift. Hydraulic…

Q: Discuss the appearance and use of each pipette.         a. Ostwald folin pipette         b.…

A: It is asked to write the use of the following pipettes.         a. Ostwald folin pipette         b.…

Q: Why HCL or EDL are not a continuous source?

A: We have to discuss the reason that HCL or EDL are not a continuous source. HCL means Hallow cathode…

Q: For which of the following compounds, Kjeldahl's method is applicable?

A: Kjeldahl's method: It is method used in analytical chemistry for determination of N in organic and…

Q: Find the volume of gas formed upon the decomposition of 1000 g of ammonium perchlorate at 298 K and…

A: 1000g ammonium perchlorate is used.  T = 298K  P = 1atm The molar mass of  ammonium perchlorate is…

Q: 4g of Helium and 8g of Oxygen was stored in 5L kettle at 298K. What would be the mole fraction of…

A:

Q: On the Drager Fabius Trio, the O2 supply line has less than the minimum pressure permitted…

A: Answer - Oxygen therapy uses various devices to provide oxygen to patients having difficulty getting…

Q: At 273 K and 1 atm pressure, 1 mol of an ideal gas occupies 22.4 LIn which parts of the atmosphere…

A: Molar volume = 22.4 L

Q: Wolfram Alpha or some other reference, determine which of these elements would be liquid at 525 K…

A: The element which is liquid at 525 K is