Why would you say that Space Shuttles rather use hydrogen as its primary fuel source?

Q: Hydrazine, N2H4, can be used as fuel to orient and maneuver spacecraft. The energy used to do so is…

A: (A) Writing down the balanced chemical equation: N2O4(l) + 2 N2H4(aq) ----> 3 N2(g) + 4 H2O(l)…

Q: How many grams of pinewood would be required to produce 7.8 x 10^3 kk of energy?

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Q: Calculate the maximum wavelength of radiation that could have sufficient energy to effect the…

A: To find out the maximum wavelength of the radiation which will have sufficient energy to dissociate…

Q: What is an extensive property? What is an extensive property of oxygen?

A: Extensive property is the property which depends upon the amount of matter or mass. Mass, volume,…

Q: The initial step in the formation of O3 from O2 in the stratosphere is the absorption of light by…

A: Given : ΔHfo of O (g) = 249.17 KJ/mol The reaction given is  O2 (g) ------> 2 O (g) The ΔH…

Q: Solar winds composed of free protons, electrons, and particles bombard Earth constantly, knocking…

A: Given data: Earth loses 3.0Kg matter/sec. Time given=50billion years. Mass % of nitrogen occupied of…

Q: The reaction between ammonia and oxygen is given below: 4 NH3(g) + 5 O2(g) –4 NO(g) + 6 H20(g) We…

A: The given reaction is an equilibrium reaction in which NH3 and O2 react to form NO and H2O.…

Q: If 3.4 grams of C2H6 are combusted, how many grams of Water will be produced? Group of answer…

A: According to the question answer is not matching with the option. Whatever i m providing solution it…

Q: Identify and analyze the way fossil fuel combustion has changed the composition of Earth's…

A: The burning of fossil fuels refers to the burning of oil, natural gas, and coal to generate energy.…

Q: How does the ground temperature in sunlight with CO2 compare with ground temperature in sunlight…

A: Given : To explain effect of CO2 on temperature of earth.

Q: Using your cars miles per gallon and the miles you drive in 1 week calculate the liters of carbon…

A: The amount of carbon dioxide released by the vehicles depend on their fuel consumption and the…

Q: A fuel mixture comprising 600.0g of N204 and 400.0g of CH&N2 is used in a test of laboratory-scale…

A: Given, mass of N2O4=600.0 gmass of CH6N2=400.0 g

Q: used to remove exhaled carbon dioxide from the air supply according to the equation…

A: Molar mass of LiOH  = 24 g/mol Molar mass of CO2 = 44 g/mol From balanced reaction  Using mass-mass…

Q: Write by equations the formation of O3 in a photochemical smog

A: formation of O3 in a photochemical smog.

Q: V The mean free path A is given by 1 = in few lines explain the V2nd?N' physical significant of 2.…

A: Mean free path is defined as the mean distance travelled by substance between two successive…

Q: What mass of O2 will be needed to burn 36.1 g of B2H6?

A: Given :- mass of B2H6 = 36.1 g  To calculate :- mass of O2 required

Q: What is the interior layers of a mercury?

A: Mercury is a rocky planet with a huge iron core which makes up a large part of its interior.…

Q: 5. How many grams of Calcium will it take to replace 1 gram of Hydrogen?

A: No of moles = Mass / Molar mass

Q: Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar…

A: The two connected jars have oxygen and hydrogen in them. Each jar will have its own volume and…

Q: A test of an automobile engine exhaust revealed that 3.7g of NO2 was emitted in 10 minutes of…

A: Mass of gas emitted in 10 minutes of operation = 3.7 g  We need to determine moles of gas emitted in…

Q: Write out the nuclear energy configuration (energy configuration of protons and neutrons in the…

A: The nucleus is composed of protons and neutrons. General representation for the nucleus is given…

Q: During the last 30 years of rapid development in space exploration, many different rocket fuels have…

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Q: Q2/Why are two vessels used in nitrogen generation?

A: Nitrogen gas is widely used in many companies in many different ways. There is a nitrogen generator…

Q: Aside from methane, carbon dioxide, water vapor, and nitrous oxide, give two more examples of…

A: Greenhouse effect: It is a natural process by which earth surface gets heated. Few gases are…

Q: why are argon and helium known as insert gases?

A: Inert gases are those gases which have completely filled outermost shell, and they do not react i.e.…

Q: Compare the energy densities of ethane (C₂H6) and ethanol (C₂H5OH). Which fuel would theoretically…

A: Energy density refers to the amount of energy stored in a given quantity of a substance or material.…

Q: Hydrazine, N2H4, can be used as fuel to orient and maneuver spacecraft. The energy used to do so is…

A: Solution stoichiometry involves the calculation of the concentration of solutions in the given…

Q: Suppose 295 gof NO3 flows into a swamp each day. What volume of N2 would be produced each day at…

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Q: nuclear equation

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Q: Which of the following process add carbon to the atmosphere? 1. Carbonic acid formation and…

A: When carbon is added to atmosphere it increase the temperature and leads to global warming.