How many moles of an ideal gas would occupy a 400.0 liter container when the temperature is 300.0 K and the pressure is 2.20 atm?

Which traits explain the differences between halogens and alkali metals? Select all that apply Question 5 options: Halogens are better oxidizing agents than their alkali metal counterparts within the same period.

Which has more momentum - an 80 kg runner with a velocity of 2.45 m/s or a 65 kg runner with velocity of 3 m/s? Show work

If a 100.-g sample of platinum metal has a volume of 4.67 ml, what is the density of platinum in g/cm3?

Example of ammonia contains 9 grams of hydrogen 42 grams of nitrogen another sample of compound contains 12 grams of hydrogen. calculate the amount of nitrogen in the second sample of ammonia. express you answer with the appropriate units

Which would have the higher electronegativity Cs or P?

Cooking oil lipids consist of long, unsaturated hydrocarbon chains. Would you expect these molecules to form membranes spontaneously?

Which of the following substances is formed deep under Earth? Chlorophyll Glucose Oil Oxygen 30 pts if someone answer right

a reagent bottle (labelled) is filled with HCL solution and the other (labelled as b) is filled with water. both liquids in the bottle are colourless. what method do you recommend to identify the acid and water?

Which of the following is NOT a chemical reaction? a. ice melts from water b. ammonia breaks up into nitrogen and hydrogen c. hydrogen and oxygen combine to make water

Which type of atom is expected in the products of this chemical reaction? C6H12O6 + 6O2? A. boron (B) B. lithium (Li) C. oxygen (O) D. helium (He)