C5H12 + 8O2 10CO2 + 6H2O What is the mole ratio of oxygen to pentane? 1:6 6:8 8:1 10:8

Determine the molarity of a solution made by dissolving 11.7 g of NaNO3 in water where the final volume of the solution is 250.0 mL.

To find the number of neutrons in To find the number of neutrons in and you would subtract

Which of the following is considered an ignition source? A: all answer choices are source of ignition B: Cutting and welding C: Lightning D: Open flames

How would the equilibrium change if NO2 were added to SO2 (g) + NO2 (g) NO (g) + SO3 (g) + heat? A. The equilibrium constant would increase. B. The amount of NO and SO3 would decrease. C. The amount of NO and SO3 would increase. D.

A component of protein called serine has an approximate molar mass of 100 g/mole. if the percent composition is as follows, what is the empirical and molecular formula of serine? c = 34.95 % h = 6.84 % o = 46.56 % n = 13.

Why would it be unwise to take a hot air balloon ride in the upper atmosphere? (The chapter is about Pressure)

Unit conversions. (a) Convert 10,000 dynes to units of lbm ∙ ft/s^2 and lbf (b) Convert 0.2 atm to units of Kpa and lbf/in^2 (c) Convert 37 °C (physiological temperature) to units of °F and K. (d) Convert 50 in 2 ∙ lbm/s^2 units of joules and cal.

How much CO2 is produced from 10g of CH4?

Balance the following redox reaction in acidic solution. Zn (s) + MnO-4 (aq) → Zn+2 (aq) + Mn+2 (aq)

66.0g of dry ice (solid carbon dioxide)