A sample of H2is collected over water in a 3.55 L container at 50°C. If the total pressure is 445 torr, how many moles of H2 are collected? Vapor pressure of water at 50 C = 92.59 torr

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?