A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25-g sample of the...

A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25-g sample of the gas occupies a volume of 1.00 L and exerts a pressure of 1.26 atm at -4.0°C. What are the empirical and molecular formulas, respectively? Show how you determined the molar mass.

Expert Solution

queen_honey_blossom answered 2 years ago

A sample of a gaseous compound of nitrogen and oxygen weighs 5.25 g and occupies a...

A sample of a gaseous compound of nitrogen and oxygen weighs 5.25 g and occupies a volume of 1.00 L at a pressure of 1.26 atm and temperature of -4.0 °C. Which of the following molecular formulas could be that of the compound? Answer is N2O4 Please show work, thank you!

An oxide of nitrogen was found by elemental analysis to contain 30.4% nitrogen and 69.6% oxygen....

An oxide of nitrogen was found by elemental analysis to contain 30.4% nitrogen and 69.6% oxygen. If 23.0 g of this gas were found to occupy 5.6 L at STP, what are the empirical and molecular formulas for this oxide of nitrogen? Express the empirical and molecular formulas for this oxide of nitrogen, separated by a comma.

A gaseous compound has a composition by mass of 29.8% carbon, 2.1% hydrogen, and oxygen. The...

A gaseous compound has a composition by mass of 29.8% carbon, 2.1% hydrogen, and oxygen. The gas has a molar mass of about 50g/mol. Draw the most likely Lewis structure that fits these facts. Label each central atom with a hybridzation, bond angle, and Lewis notation. Indicate if the molecule has a dipole with an arrow, or else write that the molecule has no dipole.

1. A sample of a compound has a mass of 4.86 g and is composed of Silicon and Oxygen. What is the percent composition if 2.27 g of the mass is Silicon?

1. A sample of a compound has a mass of 4.86 g and is composed of Silicon and Oxygen. What is the percent composition if 2.27 g of the mass is Silicon? 2. What is the percent composition of all of the elements in saccharin (C7H5SNO3)? 3. What is the mass of phosphorus in a 25.0lb quantity of sodium phosphate?

A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157g of the compound produced...

A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157g of the compound produced 0.213g CO2 and 0.0310g of H2O. In another experiment, 0.103g of the compound produced 0.0230g of NH3. What is the emerical formula of the compound? In a seperate experiment, the molar mass is found to be 454.3 g/mol. what is the molecular formula of the compound? hint: assume that all carbon ends up in CO2 and all hydrogen ends up in H2O.Also assume that...

A gaseous mixture of O2 and N2 contains 40.8 % nitrogen by mass. What is the...

A gaseous mixture of O2 and N2 contains 40.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 385 mmHg ? Express you answer numerically in millimeters of mercury.

Combustion analysis of a 0.2608 g sample of a compound containing carbon, oxygen, and hydrogen only...

Combustion analysis of a 0.2608 g sample of a compound containing carbon, oxygen, and hydrogen only produced 0.5501 g of carbon dioxide, and 0.2703 g of water. Determine the empirical formula of this compound. If the molar mass for this compound is 104.1 g/mole, find the molecular formula. Write a complete balanced equation for the combustion reaction of this compound.

45. Upon combustion, a 0.8233 g sample of a compound containing only carbon, hydrogen, and oxygen...

45. Upon combustion, a 0.8233 g sample of a compound containing only carbon, hydrogen, and oxygen produced 2.445 g CO2 and 0.6003 g H2O. Find the empirical formula of the compound. PLEASE EXPLAIN VERY SINGLE STEP CLEARLY AS TO HOW YOU GOT THERE

Combustion of a 0.9827-g sample of a compound containing only carbon, hydrogen, and oxygen produced 1.900...

Combustion of a 0.9827-g sample of a compound containing only carbon, hydrogen, and oxygen produced 1.900 g of CO2 and 1.070 g of H2O. What is the empirical formula of the compound? Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid? Explain your reasoning. (2) A) copper B) zinc C) nickel D) iron E) tin

Determine the mass of oxygen in a 3.6 g sample of Al2(SO4)3. m(O) =

Question