Which of these is produced when fossil fuels are burned? A) oxygen Eliminate B) nitrogen C) hydrogen D) carbon dioxide

2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams?

A scientist observes several metals and records the followinv data. which of the data sets represents qualitative data? A The máss of the metals B The volume de the metal C the softness de the metal D the color of the metals

Which of the following will result in a chemical change? A. Melting ice to obtain water B. Drying wood in a shed C. Burning coal in a furnace D. Evaporating alcohol into vapor

Convert 3.8 meters to cm

A sample of gas occupies 26.5 L under a pressure of 1.3 atm. What would the resulting volume be if the pressure were increased to 3.9 atm if the temperature did not change?

To which digestione organ dose food travel it leaves the stomach

How should a stopper be handled after is has been removed from a reagent bottle?

How will increasing the pressure on the system affect this equilibrium reaction? 2H2 (g) + O2 (g) - > 2H2O (g)

What are small round structures in the cell that breaks down large food particles into smaller ones

A balloon has a volume of 2.5 L and contains 0.100 moles of Helium. Another balloon has a volume of 5.0 L. They are at the same temperature and pressure. How many moles of gas does the second balloon contain?