Please count compound list each element and the amount of each and then figure out the total of the atoms NEED ANSWER ASAP

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.