Calculate the mass in grams for each of the following gases at STP. 4.78×1022 molecules of dinitrogen pentoxide, N 2O5   Express your answer with the appropriate units.

Q: Ammonium perchlorate  NH4ClO4  is a powerful solid rocket fuel, used in the Space Shuttle boosters.…

A:

Q: 7 # 3 G 8 4 1 mole CH₁₂0= 1 mole Fe₂(Cro), = g Fe, (CrO₂), -9 C₂H,₂06 10. Avogadro's constant was…

A:

Q: Previous Page 3 of 5 E Next Ammonia gas can be prepared by the reaction of a metal oxide such as…

A:

Q: What is the percent mass of water in CaSO4•2H2O? Show your calculations

A: Atomic mass of calcium = 40 u Atomic mass of sulfur = 32 u Atomic mass of oxygen = 16 u Atomic mass…

Q: What is the mass of 2.11x1024 molecules of C2H6?

A: 1 mole of C2H6 contains 6.023*1023 molecules. Number of molecules present in C2H6 2.11*1024…

Q: How many molecules are in a 7.5L sample of H2 @ STP?  Round to 2 decimal places.

A:

Q: What volume of hydrogen sulfide is required to produce 162 liters of sulfur dioxide according to the…

A: The volume of sulfur dioxide is 162 L.The given reaction is:

Q: The combustion of both ammonia, NH3, and hydrazine, N₂H4, in oxygen gives nitrogen and water only.…

A: Nitrogen, the next nonmetal, has 5 electrons in the valence shell, so it needs to combine with 3…

Q: What is the percent (by mass) water CaSO4.2H22O?

A: Here, we have calculate % by mass of H2O in CaSO4.2H2O.

Q: A 2.00 g sample of methamphetamine was found to contain 1.61gC, 0.203gH and 0.188 g N. What is its…

A: Given : Mass of C = 1.61 g Mass of H = 0.203 g Mass of N = 0.188 g Assuming the empirical formula of…

Q: In one analysis, the density of ozone in an air sample was found to be 5.00  10−8 mol/L. What is the…

A:

Q: The design of air-bag depends on stoichiometric precision. The following reaction takes place when…

A:

Q: What is the mass percentage of C in morphine, C,,H1,NO,? Provide an answer to two decimal places.

A: We have many molecules around us. They all are composed of different elements and have different…

Q: Is the volume of H2 produced larger than the volume of O2 producedbecause (a) hydrogen atoms are…

A: Given: The volume of H2 produced is larger than the volume of O2

Q: 50 cm3 of a gaseous hydride of phosphorus, PHn reacts with exactly 150 cm3      of chlorine, Cl2 to…

A: Given,  Volume of gaseous hydride of phosphorus (PHn) = 50 cm3  Volume of Cl2 = 150 cm3  Volume of…

Q: Calculate how many billion years it will take to build 1 mole of a molecule with a formula of…

A: Given formula: CnH2n+2  n=6  So the formula becomes C6H14

Q: The reaction between zinc and hydrochloric acid is gas in the laboratory: Zn(s) + 2 HCl(aq)…

A: The given balanced chemical equation is .The volume of hydrogen gas collected is .The temperature is…

Q: help  please answer in text form with proper workings and explanation for each and every part and…

A: Solution stepsConvert mass of hydrogen to moles:Molar mass of H2 = 2 g/mol   Moles of H2 = mass /…

Q: A compound has the composition: carbon 37.21%; hydrogen 7.83%; and chlorine 54.96%. If its MW is 385…

A: Empirical formula of a compound represents the proportion of the elements in a compound irrespective…

Q: Write the empirical formula corresponding to B₃N₃H₆

A: We have to predict the empirical formula of given molecular formula.

Q: ClFx is an interhalogen compound which is known to be very irritant and toxic. These compounds are…

A: The equation for an Ideal Gas is as follows:The product of a gas's pressure and volume is…

Q: 2H2(g) + O2(g) -> 2H2O(g) Calculate the mass (in grams) of water vapor produced when 56.0 g of pure…

A: 1) From the balanced chemical equation, deduce the molar relation between hydrogen gas and water…

Q: If an experiment required 95.1 g of N₂ gas to perform, how many moles of gas would he needed for the…

A: If an experiment required 95.1 g of N2 gas to perform, how many moles of gas would be needed for the…