A sample of gas does 150J of work against its surroundings and loses 90J of internal energy in the process. Does the gas gain or lose heat, and how much?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

2select the correct answer. javed suffers from a severe food allergy. which device should javed always carry? a. inhaler b. epi pen c. nebulizer d. insulin pen

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.