A rigid container holds 1.50 moles of H2(g) at a pressure of 0.500 atm. What mass of CO2(g) must be added to this container to increase the total pressure to 1.00 atm

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!